format-version: 1.2 date: 15:01:2013 16:40 saved-by: pfey auto-generated-by: OBO-Edit 2.2 default-namespace: Dictyostelium_discoideum_anatomy [Term] id: DDANAT:0000002 name: vegetative amoebae def: "Unicellular haploid myxamoebae that feeds on bacteria by phagocytosis and divides by binary fission. The size of vegetative cells range from 12-20 microns by 8-12 microns. The cells exhibit a roughly rounded but rather irregular shape." [DDB:pg, DDB_REF:5048, PMID:4338436] synonym: "amoebae" BROAD [] synonym: "vegetative cell" EXACT [] synonym: "vegetative cell (sensu Mycetozoa)" EXACT [CL:0000263] xref: CL:0000263 "Cell Line Ontology" is_a: DDANAT:0000083 ! Dictyostelium discoideum single cell organism relationship: develops_from DDANAT:0000414 ! spore relationship: part_of DDANAT:0000013 ! stream [Term] id: DDANAT:0000003 name: aggregation territory def: "Area covered by a group of chemotactic cells converging toward the same aggregation center. Can reach a diameter of up to 1 cm." [DDB:pg, DDB_REF:5048, DDB_REF:5054] is_a: DDANAT:0010082 ! whole organism [Term] id: DDANAT:0000004 name: loose aggregate def: "First adherent mass of cells observed during development, relatively flat with indistinct borders." [DDB:pg] synonym: "loose mound" EXACT [] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000003 ! aggregation territory [Term] id: DDANAT:0000005 name: mound def: "Hemispherical structure composed of post-aggregative cells that are undergoing differentiation." [DDB:pg, PMID:52566] synonym: "pseudoplasmodium" BROAD [DDB_REF:5048] synonym: "tight aggrgate" EXACT [] synonym: "tight mound" EXACT [] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000004 ! loose aggregate [Term] id: DDANAT:0000006 name: tipped mound def: "Hemispherical structure composed of post-aggregative cells that are undergoing differentiation and that have formed a tip." [DDB:pg] synonym: "pseudoplasmodium" BROAD [DDB_REF:5048] synonym: "tipped aggregate" EXACT [PMID:7553878] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000005 ! mound [Term] id: DDANAT:0000007 name: standing slug def: "Cylindrical structure that is formed by elongation of the mound under the control of the tip. The elongating tip is called the first finger." [DDB:pg] comment: Synonym from Kessin book p. 166. synonym: "finger" EXACT [] synonym: "first finger" NARROW [] synonym: "pseudoplasmodium" BROAD [DDB:http\://preserve.nal.usda.gov\:8300/jag/v50/v50i02/500135/a500135.htm] xref: ISBN:0521583640 is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000006 ! tipped mound [Term] id: DDANAT:0000008 name: migratory slug def: "When the conditions are not optimal for the completion of development, the standing slug bends from a vertical position to a horizontal position, producing a migratory that slug has the ability to migrate towards more favorable environmental conditions. The slug is cylindrical in shape with a rounded, tapering region at its anterior end that is raised with respect to the substratum. It usually measures between 0.8 to 1.2 mm in length with a diameter of 0.15 to 0.25 mm. Slugs sense and respond to light, temperature and acidity, and do not enter culmination until the conditions are optimal. The slug can move at a speed of 0.5 to 2 mm per hour. A trail of slime is deposited on the surface during migration." [DDB:pg, DDB_REF:439, DDB_REF:5048, DDB_REF:5053, DDB_REF:5054] synonym: "pseudoplasmodium" BROAD [DDB_REF:5048] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000009 name: early culminant def: "Structure formed after the arrest of slug migration formed when cells of the posterior region of the slug move under the tip. Stalk tube formation is initiated at this stage." [DDB:5059, DDB:pg, DDB_REF:5048] synonym: "culminant" BROAD [] synonym: "mexican hat" NARROW [] synonym: "pseudoplasmodium" BROAD [DDB:5048] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000010 name: mid culminant def: "Structure in which stalk tube formation has progressed down the prespore zone. Basal disc formation begins at this stage, with the migration of pstA and pstB cells to the lower part of the culminant to form the basal disc." [DDB:pg, DDB_REF:5059] synonym: "culminant" BROAD [] synonym: "pseudoplasmodium" BROAD [DDB_REF:5048] is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000011 name: late culminant def: "Structure in which stalk tube formation has progressed down to the basal disc. The sorogen ascents up the stalk to it apical position dring this stage. Terminal differentiation occurs at this stage: death of the stalk cells and encapsulation of the spores." [DDB:pg, DDB_REF:5059] comment: Kessin book p. 201. synonym: "culminant" BROAD [] synonym: "pseudoplasmodium" RELATED [DDB_REF:5048] xref: ISBN:0521583640 is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000012 name: fruiting body def: "Dicty asexual organism which is terminally differentiated and consists of a long stalk on top of which sits the sorus that contains spores. The mature fruiting body measures between 1.5 to 3 mm in height." [DDB:pg, DDB_REF:5048] comment: Synonym from Kessin book p. 12-13. synonym: "sorocarp" EXACT [DDB_REF:5048] xref: ISBN:0521583640 is_a: DDANAT:0010082 ! whole organism relationship: develops_from DDANAT:0000011 ! late culminant [Term] id: DDANAT:0000013 name: stream def: "Macroscopic appearance of groups of chemotactic cells orienting themselves in a head to tail fashion as they are migrating in the direction of the chemotactic stimulus to form aggregates." [DDB:pg, DDB_REF:5048] synonym: "pseudoplasmodial stream" EXACT [DDB_REF:5048] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000003 ! aggregation territory [Term] id: DDANAT:0000014 name: surface sheath of the loose aggregate def: "Acellular material composed of polysaccharides and proteins, formed during late aggregation and that holds the cell mass together in the aggregate." [DDB:pg, PMID:4338436] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000004 ! loose aggregate [Term] id: DDANAT:0000015 name: surface sheath of the mound def: "Acellular material composed of polysaccharides and proteins that holds the cell mass together in the mound." [DDB:pg, PMID:4338436] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000014 ! surface sheath of the loose aggregate relationship: part_of DDANAT:0000005 ! mound [Term] id: DDANAT:0000016 name: prestalk region of the tipped mound def: "Elongated protusion of the tipped mound located on top of the cell mass that contains pstA cells flanked by pstO cells (expressing ecmA from the proximal and the distal part of its promoter, respectively)." [DDB:pg] synonym: "apical tip of the tipped mound" RELATED [] synonym: "pst region of the tipped mound" EXACT [] xref: PMID:10642783 xref: PMID:2513127 is_a: DDANAT:0000087 ! prestalk region relationship: develops_from DDANAT:0000005 ! mound relationship: part_of DDANAT:0000006 ! tipped mound [Term] id: DDANAT:0000017 name: prespore region of the tipped mound def: "Region of the tipped mound mostly composed of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB." [DDB:pg] synonym: "psp region of the tipped mound" EXACT [] is_a: DDANAT:0000086 ! prespore region relationship: develops_from DDANAT:0000005 ! mound relationship: part_of DDANAT:0000006 ! tipped mound [Term] id: DDANAT:0000018 name: surface sheath of the tipped mound def: "Acellular material composed of polysaccharides and proteins that holds the cell mass together in the tipped mound." [DDB:pg, PMID:4338436] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000015 ! surface sheath of the mound relationship: part_of DDANAT:0000006 ! tipped mound [Term] id: DDANAT:0000019 name: prestalk region of the standing slug def: "Elongated protusion of the standing slug located on top of the cell mass that contains pstA cells flanked by pstO cells (expressing ecmA from the proximal and the distal part of its promoter, respectively)." [DDB:pg] synonym: "pst region of the standing slug" EXACT [] xref: PMID:10642783 xref: PMID:2513127 is_a: DDANAT:0000087 ! prestalk region relationship: develops_from DDANAT:0000016 ! prestalk region of the tipped mound relationship: part_of DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000020 name: tip-organizer of the standing slug def: "Part of the prestalk region of the standing slug that acts as an organizer, that is, a signalling center that directs the morphological characteristics of the entire organism." [DDB:pg] synonym: "tip of the standing slug" RELATED [] is_a: DDANAT:0000103 ! tip-organizer relationship: develops_from DDANAT:0000080 ! tip-organizer of the tipped mound relationship: part_of DDANAT:0000019 ! prestalk region of the standing slug [Term] id: DDANAT:0000021 name: prestalk A region of the standing slug def: "Most apical region of the prestalk zone of the standing slug characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] comment: See p. 146 Kessin book. synonym: "pstA region of the standing slug" EXACT [] xref: ISBN:0521583640 is_a: DDANAT:0000088 ! prestalk A region relationship: develops_from DDANAT:0000016 ! prestalk region of the tipped mound relationship: part_of DDANAT:0000019 ! prestalk region of the standing slug [Term] id: DDANAT:0000022 name: prestalk O region of the standing slug def: "Area of the prestalk zone of the standing slug located posterior to the prestalk A region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] comment: See p. 146 Kessin book. synonym: "pstO region of the standing slug" EXACT [] xref: ISBN:0521583640 is_a: DDANAT:0000092 ! prestalk O region relationship: develops_from DDANAT:0000016 ! prestalk region of the tipped mound relationship: part_of DDANAT:0000019 ! prestalk region of the standing slug [Term] id: DDANAT:0000023 name: prestalk AB core region of the standing slug def: "Cone-shaped area of the prestalk zone of the standing slug that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] comment: See p. 146 Kessin book. synonym: "prestalk AB region of the standing slug" EXACT [] synonym: "pstAB region" NARROW [] xref: ISBN:0521583640 is_a: DDANAT:0000091 ! prestalk AB core region relationship: develops_from DDANAT:0000016 ! prestalk region of the tipped mound relationship: part_of DDANAT:0000019 ! prestalk region of the standing slug [Term] id: DDANAT:0000024 name: prespore region of the standing slug def: "Region of the standing slug mostly composed of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB. The prespore region occupies about three quarters of the organism." [DDB:pg] synonym: "psp region of the standing slug" EXACT [] is_a: DDANAT:0000086 ! prespore region relationship: develops_from DDANAT:0000017 ! prespore region of the tipped mound relationship: part_of DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000025 name: basal region of the standing slug def: "Region of the standing slug in contact with the substratum and composed of prestalk B cells." [DDB:pg] synonym: "base of the standing slug" EXACT [] is_a: DDANAT:0000110 ! basal region relationship: develops_from DDANAT:0000006 ! tipped mound relationship: part_of DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000026 name: peripheral layer of the standing slug def: "Outer-most cell layer surrounding the standing slug. The peripheral layer is composed of electron-dense cells that are connected to each other, forming a coherent tissue." [DDB:pg, DDB_REF:1910] is_a: DDANAT:0000090 ! peripheral layer relationship: develops_from DDANAT:0000007 ! standing slug relationship: part_of DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000027 name: surface sheath of the standing slug def: "Acellular material composed of polysaccharides and proteins that holds the cell mass together in the standing slug." [DDB:pg] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000018 ! surface sheath of the tipped mound relationship: part_of DDANAT:0000007 ! standing slug [Term] id: DDANAT:0000028 name: prestalk region of the migratory slug def: "The prestalk region of the migratory slug is located at the anterior of the organism. It consists of about one quarter of the cells." [DDB:pg] synonym: "anterior region of the migratory slug" RELATED [] synonym: "pst region of the migratory slug" EXACT [] is_a: DDANAT:0000087 ! prestalk region relationship: develops_from DDANAT:0000019 ! prestalk region of the standing slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000029 name: tip-organizer of the migratory slug def: "Part of the prestalk region of the migratory slug that acts as an organizer, that is, a signalling center that directs the morphological characteristics of the entire organism. The tip guides the moveement of the organism during migration." [DDB:pg, DDB_REF:5053] synonym: "tip of the migratory slug" RELATED [] is_a: DDANAT:0000103 ! tip-organizer relationship: develops_from DDANAT:0000020 ! tip-organizer of the standing slug relationship: part_of DDANAT:0000028 ! prestalk region of the migratory slug [Term] id: DDANAT:0000030 name: prestalk A region of the migratory slug def: "Anterior-most region of the prestalk zone of the migratory slug and characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] comment: Synonym from Kessin book p. 175. synonym: "prestalk AO region of the migratory slug" EXACT [] synonym: "pstA region of the migratory slug" EXACT [] synonym: "pstAO region of the migratory slug" EXACT [] xref: ISBN:0521583640 xref: PMID:10611970 is_a: DDANAT:0000088 ! prestalk A region relationship: develops_from DDANAT:0000021 ! prestalk A region of the standing slug relationship: part_of DDANAT:0000028 ! prestalk region of the migratory slug [Term] id: DDANAT:0000031 name: prestalk O region of the migratory slug def: "Area of the prestalk zone of the migratory slug located posterior to the prestalk A region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] comment: See p. 146 Kessin book. synonym: "pstO region of the migratory slug" EXACT [] xref: ISBN:0521583640 is_a: DDANAT:0000092 ! prestalk O region relationship: develops_from DDANAT:0000022 ! prestalk O region of the standing slug relationship: part_of DDANAT:0000028 ! prestalk region of the migratory slug [Term] id: DDANAT:0000032 name: prestalk AB core region of the migratory slug def: "Cone-shaped area of the prestalk zone of the migratory slug that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] comment: See Kessin book p. 146. synonym: "prestalk AB region of the migratory slug" EXACT [] synonym: "pstAB region of the migratory slug" EXACT [] xref: ISBN:0521583640 xref: PMID:8223266 is_a: DDANAT:0000091 ! prestalk AB core region relationship: develops_from DDANAT:0000023 ! prestalk AB core region of the standing slug relationship: part_of DDANAT:0000028 ! prestalk region of the migratory slug [Term] id: DDANAT:0000033 name: prespore region of the migratory slug def: "Region of the migratory slug composed mostly of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB. The prespore region occupies about three quarters of the organism." [DDB:pg] synonym: "psp region of the migratory slug" BROAD [] is_a: DDANAT:0000086 ! prespore region relationship: develops_from DDANAT:0000024 ! prespore region of the standing slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000034 name: posterior region of the migratory slug def: "Region located at the very posterior of the migratory slug that contains pstB cells (rearguard cells). These cells form the basal disc in the mature fruiting body." [DDB:pg] synonym: "rearguard region" BROAD [] is_a: DDANAT:0000108 ! posterior region relationship: develops_from DDANAT:0000025 ! basal region of the standing slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000035 name: peripheral layer of the migratory slug def: "Outer-most cell layer surrounding the migratory slug. The peripheral layer is composed of electron-dense cells that are connected to each other, forming a coherent tissue." [DDB:pg, DDB_REF:1910] is_a: DDANAT:0000090 ! peripheral layer relationship: develops_from DDANAT:0000026 ! peripheral layer of the standing slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000036 name: surface sheath of the migratory slug def: "Acellular material composed of polysaccharides and proteins that holds the cell mass together in the migratory slug." [DDB:pg, PMID:4338436] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000027 ! surface sheath of the standing slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000037 name: prestalk region of the early culminant def: "The prestalk region of the early culminant is located at the most apical part of the organism. It consists of about one quarter of the cells." [DDB:pg] synonym: "pst region of the early culminant" EXACT [] is_a: DDANAT:0000087 ! prestalk region relationship: develops_from DDANAT:0000019 ! prestalk region of the standing slug relationship: part_of DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000038 name: prestalk A region of the early culminant def: "Anterior-most region of the prestalk zone of the early culminant characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] synonym: "pstA region of the early culminant" EXACT [] is_a: DDANAT:0000088 ! prestalk A region relationship: develops_from DDANAT:0000021 ! prestalk A region of the standing slug relationship: part_of DDANAT:0000037 ! prestalk region of the early culminant [Term] id: DDANAT:0000039 name: prestalk O region of the early culminant def: "Area of the prestalk zone of the early culminant located posterior to the pstA region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] synonym: "pstO region of the early culminant" EXACT [] is_a: DDANAT:0000092 ! prestalk O region relationship: develops_from DDANAT:0000021 ! prestalk A region of the standing slug relationship: part_of DDANAT:0000037 ! prestalk region of the early culminant [Term] id: DDANAT:0000040 name: prestalk AB core region of the early culminant def: "Cone-shaped area of the prestalk zone of the early culminant that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] synonym: "prestalk AB region of the early culminant" EXACT [] synonym: "pstAB region of the early culminant" EXACT [] is_a: DDANAT:0000091 ! prestalk AB core region relationship: develops_from DDANAT:0000023 ! prestalk AB core region of the standing slug relationship: part_of DDANAT:0000037 ! prestalk region of the early culminant [Term] id: DDANAT:0000041 name: prespore region of the early culminant def: "Region of the early culminant mostly composed of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB. The prespore region occupies about three quarters of the organism." [DDB:pg] synonym: "psp region of the early culminant" EXACT [] is_a: DDANAT:0000086 ! prespore region relationship: develops_from DDANAT:0000024 ! prespore region of the standing slug relationship: part_of DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000042 name: upper cup region of the early culminant def: "Region of the prespore zone of the early culminant that borders the prestalk region. This region gives rise to the upper cup of the fruiting body." [DDB:pg, PMID:1879341, PMID:8016318] synonym: "prespore/anterior region of the early culminant" RELATED [] relationship: develops_from DDANAT:0000041 ! prespore region of the early culminant relationship: part_of DDANAT:0000041 ! prespore region of the early culminant [Term] id: DDANAT:0000043 name: stalk tube of the early culminant def: "Open, cylindrical tube of the early culminant composed of cellulose and glycoprotein and surrounded by a ring of actin in which stalk cells accumulate." [DDB:pg, DDB_REF:5053, ISBN:0521583640, PMID:11130075, PMID:9799430] synonym: "sorophore sheath" BROAD [DDB_REF:5059] is_a: DDANAT:0000097 ! stalk tube relationship: develops_from DDANAT:0000009 ! early culminant relationship: part_of DDANAT:0000041 ! prespore region of the early culminant [Term] id: DDANAT:0000044 name: prespore/base region of the early culminant def: "Region of the prespore zone of the early culminant that borders the base. This region gives rise to the lower cup of the fruiting body." [DDB:pg, PMID:1879341] relationship: develops_from DDANAT:0000041 ! prespore region of the early culminant relationship: part_of DDANAT:0000041 ! prespore region of the early culminant [Term] id: DDANAT:0000045 name: basal region of the early culminant def: "Region of the early culminant located at the closest to the substratum composed of pstB cells that originated from rearguard cells." [DDB:pg] synonym: "base of the early culminant" EXACT [] xref: PMID:10611970 is_a: DDANAT:0000110 ! basal region relationship: develops_from DDANAT:0000025 ! basal region of the standing slug relationship: part_of DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000046 name: peripheral layer of the early culminant def: "Layer surrounding the mexican hat and composed of an electron-dense cell type." [DDB:pg, DDB_REF:1910] comment: Kessin book p. 195. xref: ISBN:0521583640 is_a: DDANAT:0000090 ! peripheral layer relationship: develops_from DDANAT:0000026 ! peripheral layer of the standing slug relationship: part_of DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000047 name: surface sheath of the early culminant def: "Acellular material composed of polysaccharides and proteins that holds the cell mass together in the early culminant." [DDB:pg, PMID:4338436] synonym: "extracellular matrix (ECM)" RELATED [] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000027 ! surface sheath of the standing slug relationship: develops_from DDANAT:0000036 ! surface sheath of the migratory slug relationship: part_of DDANAT:0000009 ! early culminant [Term] id: DDANAT:0000048 name: prestalk region of the mid culminant def: "The prestalk region of the mid culminant is located at the most apical part of the organism. It consists of about one quarter of the cells." [DDB:pg] synonym: "pst region of the mid culminant" EXACT [] is_a: DDANAT:0000087 ! prestalk region relationship: develops_from DDANAT:0000037 ! prestalk region of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000049 name: prestalk A region of the mid culminant def: "Anterior-most region of the prestalk zone of the mid culminant characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] synonym: "pstA region of the mid culminant" EXACT [] xref: PMID:2513127 is_a: DDANAT:0000088 ! prestalk A region relationship: develops_from DDANAT:0000038 ! prestalk A region of the early culminant relationship: part_of DDANAT:0000048 ! prestalk region of the mid culminant [Term] id: DDANAT:0000050 name: prestalk O region of the mid culminant def: "Area of the prestalk zone of the mid culminant located posterior to the prestalk A region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] synonym: "pstO region of the mid culminant" EXACT [] is_a: DDANAT:0000092 ! prestalk O region relationship: develops_from DDANAT:0000039 ! prestalk O region of the early culminant relationship: part_of DDANAT:0000048 ! prestalk region of the mid culminant [Term] id: DDANAT:0000051 name: prestalk AB core region of the mid culminant def: "Cone-shaped area of the prestalk zone of the mid culminant that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] synonym: "prestalk AB region of the mid culminant" EXACT [] synonym: "pstAB region of the mid culminant" EXACT [] is_a: DDANAT:0000091 ! prestalk AB core region relationship: develops_from DDANAT:0000040 ! prestalk AB core region of the early culminant relationship: part_of DDANAT:0000048 ! prestalk region of the mid culminant [Term] id: DDANAT:0000052 name: stalk of the mid culminant def: "Tubular structure of the mid culminant that consists of cellulose-covered cells stacked on top of each other and surrounded by an acellular stalk tube composed of cellulose and glycoprotein." [DDB:pg] comment: Synonym from Kessin book p. 12-13; Kessin book p. 193. synonym: "sorophore of the mid culminant" EXACT [DDB_REF:5053] xref: ISBN:0521583640 is_a: DDANAT:0000093 ! stalk relationship: develops_from DDANAT:0000040 ! prestalk AB core region of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000053 name: stalk tube of the mid culminant def: "Open, cylindrical tube of the mid culminant composed of cellulose and glycoprotein and surrounded by a ring of actin in which stalk cells accumulate." [DDB:pg, ISBN:0521583640, PMID:11130075, PMID:9799430] synonym: "sorophore sheath" BROAD [DDB_REF:5059] is_a: DDANAT:0000097 ! stalk tube relationship: develops_from DDANAT:0000043 ! stalk tube of the early culminant relationship: part_of DDANAT:0000052 ! stalk of the mid culminant [Term] id: DDANAT:0000054 name: prespore region of the mid culminant def: "Region of the mid culminant mostly composed of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB. The prespore region occupies about three quarters of the organism." [DDB:pg] synonym: "psp region of the mid culminant" BROAD [] is_a: DDANAT:0000086 ! prespore region relationship: develops_from DDANAT:0000041 ! prespore region of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000055 name: upper cup region of the mid culminant def: "Region of the prespore zone of the mid culminant that borders the prestalk region." [DDB:pg, PMID:8016318] synonym: "prespore/anterior region of the mid culminant" RELATED [] relationship: develops_from DDANAT:0000042 ! upper cup region of the early culminant relationship: part_of DDANAT:0000054 ! prespore region of the mid culminant [Term] id: DDANAT:0000056 name: prespore/base region of the mid culminant def: "Region of the prespore zone of the mid culminant that borders the base." [DDB:pg] relationship: develops_from DDANAT:0000044 ! prespore/base region of the early culminant relationship: part_of DDANAT:0000054 ! prespore region of the mid culminant [Term] id: DDANAT:0000057 name: basal disc of the mid culminant def: "Region located of the mid culminant located closest to the substratum and composed of pst cells (rearguard cells)." [DDB:pg, DDB_REF:5053] xref: PMID:10611970 is_a: DDANAT:0000089 ! basal disc relationship: develops_from DDANAT:0000045 ! basal region of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000058 name: peripheral layer of the mid culminant def: "Layer surrounding the mid culminant and composed of an electron-dense cell type." [DDB:pg, DDB_REF:1910] comment: Kessin book p. 195. xref: ISBN:0521583640 is_a: DDANAT:0000090 ! peripheral layer relationship: develops_from DDANAT:0000046 ! peripheral layer of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000059 name: stalk of the late culminant def: "Tubular structure of the late culminant that consists of cellulose-covered cells stacked on top of each other and surrounded by an acellular stalk tube composed of cellulose and glycoprotein." [DDB:pg] comment: Synonym from Kessin book p. 12-13, Kessin book p. 193. synonym: "sorophore of the late culminant" EXACT [DDB_REF:5053] xref: ISBN:0521583640 is_a: DDANAT:0000093 ! stalk relationship: develops_from DDANAT:0000052 ! stalk of the mid culminant relationship: part_of DDANAT:0000011 ! late culminant [Term] id: DDANAT:0000060 name: stalk tube of the late culminant def: "Open, cylindrical tube of the late culminant composed of cellulose and glycoprotein and surrounded by a ring of actin in which stalk cells accumulate." [DDB:pg, ISBN:0521583640, PMID:11130075, PMID:9799430] synonym: "sorophore sheath" BROAD [DDB_REF:5059] is_a: DDANAT:0000097 ! stalk tube relationship: develops_from DDANAT:0000053 ! stalk tube of the mid culminant relationship: part_of DDANAT:0000059 ! stalk of the late culminant [Term] id: DDANAT:0000061 name: sorus of the late culminant def: "Ovoid structure of the late culminant supported by the stalk and that contains the spores." [DDB:pg, ISBN:0198529171] synonym: "spore head of the late culminant" EXACT [] is_a: DDANAT:0000094 ! sorus relationship: develops_from DDANAT:0000054 ! prespore region of the mid culminant relationship: part_of DDANAT:0000011 ! late culminant [Term] id: DDANAT:0000062 name: apical disc of the late culminant def: "Most apical structure of the late culminant. Composed of cells that express the prestalk markers ecmA, ecmB and staB." [DDB:pg, PMID:9203345] comment: Kessin book p. 193. xref: ISBN:0521583640 is_a: DDANAT:0000106 ! apical disc relationship: part_of DDANAT:0000061 ! sorus of the late culminant [Term] id: DDANAT:0000063 name: upper cup of the late culminant def: "Region of the late culminant located above the spore mass and composed of anterior-like cells." [DDB:pg, PMID:1879341, PMID:7128927] xref: PMID:1879341 is_a: DDANAT:0000107 ! upper cup relationship: develops_from DDANAT:0000055 ! upper cup region of the mid culminant relationship: part_of DDANAT:0000061 ! sorus of the late culminant [Term] id: DDANAT:0000064 name: lower cup of the late culminant def: "Region of the sorus of the late culminant located at the base of the sorus and composed of anterior-like cells." [DDB:pg, PMID:1879341, PMID:7128927] is_a: DDANAT:0000105 ! lower cup relationship: develops_from DDANAT:0000056 ! prespore/base region of the mid culminant relationship: part_of DDANAT:0000061 ! sorus of the late culminant [Term] id: DDANAT:0000065 name: basal disc of the late culminant def: "Conical-shaped structure of the late culminant that anchors the stalk to the substratum. Composed of anterior-like cells." [DDB:pg, DDB_REF:5053] is_a: DDANAT:0000089 ! basal disc relationship: develops_from DDANAT:0000057 ! basal disc of the mid culminant relationship: part_of DDANAT:0000011 ! late culminant [Term] id: DDANAT:0000066 name: inner basal disc of the late culminant def: "Central portion of the basal disc of the late culminant. Composed of stalk cells." [DDB:pg] is_a: DDANAT:0000098 ! inner basal disc relationship: develops_from DDANAT:0000052 ! stalk of the mid culminant relationship: part_of DDANAT:0000065 ! basal disc of the late culminant [Term] id: DDANAT:0000067 name: outer basal disc of the late culminant def: "Ring of cells at the periphery of the basal disc of the late culminant. Composed of pstB cells (rearguard cells) and other anterior-like cells." [DDB:pg] is_a: DDANAT:0000099 ! outer basal disc relationship: develops_from DDANAT:0000057 ! basal disc of the mid culminant relationship: part_of DDANAT:0000065 ! basal disc of the late culminant [Term] id: DDANAT:0000068 name: stalk of the fruiting body def: "Tubular structure of the fruiting body that consists of cellulose-covered cells stacked on top of each other and surrounded by an acellular stalk tube composed of cellulose and glycoprotein. The stalk of the mature fruiting body is usually 5-15 microns in diameter and between 1.5 to 3 cm in height." [DDB:pg, DDB_REF:5048, PMID:565220] synonym: "sorophore of the fruiting body" EXACT [DDB_REF:5053] is_a: DDANAT:0000093 ! stalk relationship: develops_from DDANAT:0000059 ! stalk of the late culminant relationship: part_of DDANAT:0000012 ! fruiting body [Term] id: DDANAT:0000069 name: stalk tube of the fruiting body def: "Open, cylindrical tube of the fruiting body composed of cellulose and glycoprotein and surrounded by a ring of actin in which stalk cells accumulate." [DDB:pg, DDB_REF:5059, PMID:11130075] synonym: "sorophore sheath" BROAD [DDB_REF:5059] is_a: DDANAT:0000097 ! stalk tube relationship: develops_from DDANAT:0000060 ! stalk tube of the late culminant relationship: part_of DDANAT:0000068 ! stalk of the fruiting body [Term] id: DDANAT:0000070 name: sorus of the fruiting body def: "Structure of the fruiting body supported by the stalk and that contains the spores. The sorus is 125-300 microns in diameter, lemon-shaped, and grayish white to pale yellow in color." [DDB:pg, DDB_REF:5048] synonym: "spore head of the fruiting body" EXACT [] is_a: DDANAT:0000094 ! sorus relationship: develops_from DDANAT:0000061 ! sorus of the late culminant relationship: part_of DDANAT:0000012 ! fruiting body [Term] id: DDANAT:0000071 name: apical disc of the fruiting body def: "Region of the fruiting body located above the spore mass and composed of anterior-like cells." [DDB:pg, PMID:1879341, PMID:7128927] synonym: "upper cup of the fruiting body" RELATED [] is_a: DDANAT:0000106 ! apical disc relationship: develops_from DDANAT:0000063 ! upper cup of the late culminant relationship: part_of DDANAT:0000070 ! sorus of the fruiting body [Term] id: DDANAT:0000072 name: lower cup of the fruiting body def: "Region of the fruiting body located at the base of the sorus and composed of anterior-like cells." [DDB:pg, PMID:1879341, PMID:7128927, PMID:8631253] is_a: DDANAT:0000105 ! lower cup relationship: develops_from DDANAT:0000064 ! lower cup of the late culminant relationship: part_of DDANAT:0000070 ! sorus of the fruiting body [Term] id: DDANAT:0000073 name: basal disc of the fruiting body def: "Conical-shaped structure of the fruiting body that anchors the stalk to the substratum, around 150 to 400 microns in diameter. Composed of anterior-like cells." [DDB:pg, DDB_REF:5048] is_a: DDANAT:0000089 ! basal disc relationship: develops_from DDANAT:0000065 ! basal disc of the late culminant relationship: part_of DDANAT:0000012 ! fruiting body [Term] id: DDANAT:0000074 name: inner basal disc of the fruiting body def: "Central portion of the basal disc of the fruiting body composed of stalk cells." [DDB:pg] is_a: DDANAT:0000098 ! inner basal disc relationship: develops_from DDANAT:0000066 ! inner basal disc of the late culminant relationship: part_of DDANAT:0000073 ! basal disc of the fruiting body [Term] id: DDANAT:0000075 name: outer basal disc of the fruiting body def: "Ring of cells at the periphery of the basal disc of the fruiting body composed of pstB cells (rearguard cells) and other anterior-like cells." [DDB:pg] is_a: DDANAT:0000099 ! outer basal disc relationship: develops_from DDANAT:0000067 ! outer basal disc of the late culminant relationship: part_of DDANAT:0000073 ! basal disc of the fruiting body [Term] id: DDANAT:0000076 name: slime trail def: "Acellular material from the surface sheath left behind the migratory slug as it moves. Can be up to 2-3 cm in length." [DDB:pg, DDB_REF:5048] synonym: "slime track" EXACT [DDB_REF:5059] is_a: DDANAT:0010081 ! acellular anatomical structure relationship: develops_from DDANAT:0000036 ! surface sheath of the migratory slug relationship: part_of DDANAT:0000008 ! migratory slug [Term] id: DDANAT:0000077 name: surface sheath of the mid culminant def: "Acellular material composed of polysaccharides and proteins. Covers the basal disc of the mid culminant." [DDB:pg, DDB_REF:5059] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000047 ! surface sheath of the early culminant relationship: part_of DDANAT:0000010 ! mid culminant [Term] id: DDANAT:0000078 name: surface sheath of the late culminant def: "Acellular material composed of polysaccharides and proteins. In the late culminant, covers only the basal disc." [DDB:pg, DDB_REF:5059] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000077 ! surface sheath of the mid culminant relationship: part_of DDANAT:0000011 ! late culminant [Term] id: DDANAT:0000079 name: surface sheath of the fruiting body def: "Acellular material composed of polysaccharides and proteins. In the fruiting body, covers only the basal disc." [DDB:pg, DDB_REF:5059] is_a: DDANAT:0000096 ! surface sheath relationship: develops_from DDANAT:0000078 ! surface sheath of the late culminant relationship: part_of DDANAT:0000012 ! fruiting body [Term] id: DDANAT:0000080 name: tip-organizer of the tipped mound def: "Part of the prestalk region of the tipped mound that acts as an organizer, that is, a signalling center that directs the morphological characteristics of the entire organism." [DDB:pg] synonym: "tip of the tipped mound" RELATED [] is_a: DDANAT:0000103 ! tip-organizer relationship: develops_from DDANAT:0000109 ! apex of the mound relationship: part_of DDANAT:0000016 ! prestalk region of the tipped mound [Term] id: DDANAT:0000083 name: Dictyostelium discoideum single cell organism def: "Cell that is an individual member of the species Dictyostelium discoideum." [CARO:MAH, DDB:PG] synonym: "Dictyostelium discoideum single cell organism" EXACT [] xref: CARO:0000064 is_a: DDANAT:0000401 ! cell [Term] id: DDANAT:0000084 name: macrocyst def: "Unicellular diplopid organism resulting from the fusion of two cells of opposite mating types." [DDB:pg, DDB_REF:398] is_a: DDANAT:0000083 ! Dictyostelium discoideum single cell organism [Term] id: DDANAT:0000086 name: prespore region def: "Region mostly composed of prespore cells. In addition to prespore cells, the prespore region contains anterior-like cells (ALC) that express ecmA and/or ecmB. The prespore region occupies about three quarters of the organism." [DDB:pg] synonym: "psp region" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000087 name: prestalk region def: "The prestalk region is located at the most apical part of the organism. It consists of about one quarter of the cells." [DDB:pg] synonym: "pst region" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000088 name: prestalk A region def: "Anterior-most region of the prestalk zone characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] synonym: "pstA region" EXACT [] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000087 ! prestalk region [Term] id: DDANAT:0000089 name: basal disc def: "Conical-shaped structure that anchors the stalk to the substratum. Composed of anterior-like cells." [DDB:pg] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000090 name: peripheral layer def: "Layer surrounding the pseudoplasmodium and composed of an electron-dense cell type." [DDB:pg] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000091 name: prestalk AB core region def: "Cone-shaped area of the prestalk zone that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] synonym: "prestalk AB region" EXACT [] synonym: "pstAB region" EXACT [] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000087 ! prestalk region [Term] id: DDANAT:0000092 name: prestalk O region def: "Area of the prestalk zone located posterior to the pstA region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] synonym: "pstO region" EXACT [] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000087 ! prestalk region [Term] id: DDANAT:0000093 name: stalk def: "Tubular structure that consists of cellulose-covered cells stacked on top of each other and surrounded by an acellular stalk tube composed of cellulose and glycoprotein." [DDB:pg] synonym: "sorophore" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000094 name: sorus def: "Ovoid structure supported by the stalk and that contains the spores." [DDB:pg] synonym: "spore head" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000095 name: peripheral layer cell def: "Electron-dense cell connected to neighboring peripheral layer cells thus forming a coherent tissue around the multicellular organism." [DDB:pg, DDB_REF:1910] is_a: DDANAT:0000401 ! cell relationship: part_of DDANAT:0000026 ! peripheral layer of the standing slug relationship: part_of DDANAT:0000035 ! peripheral layer of the migratory slug relationship: part_of DDANAT:0000046 ! peripheral layer of the early culminant relationship: part_of DDANAT:0000058 ! peripheral layer of the mid culminant [Term] id: DDANAT:0000096 name: surface sheath def: "Acellular material composed of polysaccharides and proteins, formed during late aggregation and that holds the cell mass together throuhout development." [DDB:pg] is_a: DDANAT:0010081 ! acellular anatomical structure [Term] id: DDANAT:0000097 name: stalk tube def: "Open, cylindrical tube that appears during culmination. The stalk tube is composed of cellulose and glycoprotein and surrounded by a ring of actin in which stalk cells accumulate." [DDB:pg, DDB_REF:5053, ISBN:0521583640, PMID:11130075, PMID:9799430] is_a: DDANAT:0010081 ! acellular anatomical structure [Term] id: DDANAT:0000098 name: inner basal disc def: "Central portion of the basal disc. Composed of stalk cells." [DDB:pg] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000089 ! basal disc [Term] id: DDANAT:0000099 name: outer basal disc def: "Ring of cells at the periphery of the basal disc composed of pstB cells (rearguard cells) and other anterior-like cells." [DDB:pg] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000089 ! basal disc [Term] id: DDANAT:0000100 name: prestalk A region of the tipped mound def: "Anterior-most region of the prestalk zone of the tipped mound characterized by high expression of the ecmA gene directed by the proximal part of its promoter (ecmA promoter)." [DDB:pg] synonym: "pstA region of the tipped mound" EXACT [] is_a: DDANAT:0000088 ! prestalk A region relationship: part_of DDANAT:0000016 ! prestalk region of the tipped mound [Term] id: DDANAT:0000101 name: prestalk AB core region of the tipped mound def: "Cone-shaped area of the prestalk zone of the tipped mound that occupies a core among the pstA region. Cells of the pstAB region express both the ecmA and ecmB genes." [DDB:pg] synonym: "prestalk AB region of the tipped mound" EXACT [] synonym: "pstAB region" NARROW [] is_a: DDANAT:0000091 ! prestalk AB core region relationship: part_of DDANAT:0000016 ! prestalk region of the tipped mound [Term] id: DDANAT:0000102 name: prestalk O region of the tipped mound def: "Area of the prestalk zone of the tipped mound located posterior to the pstA region and characterized by low expression of the ecmA gene directed by the distal part of its promoter (ecmO promoter)." [DDB:pg] synonym: "pstO region of the tipped mound" EXACT [] is_a: DDANAT:0000092 ! prestalk O region relationship: part_of DDANAT:0000016 ! prestalk region of the tipped mound [Term] id: DDANAT:0000103 name: tip-organizer def: "Part of the prestalk region that acts as an organizer, that is, a signalling center that directs the morphological characteristics of the entire organism." [DDB:pg] synonym: "tip" RELATED [] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000087 ! prestalk region [Term] id: DDANAT:0000104 name: tip-organizer of the early culminant def: "Part of the prestalk region of the early culminant that acts as an organizer, that is, a signalling center that directs the morphological characteristics of the entire organism." [DDB:pg] synonym: "tip of the early culminant" RELATED [] is_a: DDANAT:0000103 ! tip-organizer relationship: develops_from DDANAT:0000020 ! tip-organizer of the standing slug relationship: develops_from DDANAT:0000029 ! tip-organizer of the migratory slug relationship: part_of DDANAT:0000037 ! prestalk region of the early culminant [Term] id: DDANAT:0000105 name: lower cup def: "Region located at the base of the sorus and composed of anterior-like cells." [DDB:pg] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000094 ! sorus [Term] id: DDANAT:0000106 name: apical disc def: "Most apical structure of the organism." [DDB:pg] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000094 ! sorus [Term] id: DDANAT:0000107 name: upper cup def: "Region located above the spore mass and composed of anterior-like cells." [DDB:pg] is_a: DDANAT:0010085 ! subdivision relationship: part_of DDANAT:0000094 ! sorus [Term] id: DDANAT:0000108 name: posterior region def: "Region located at the very posterior of the organism that contains pstB cells (rearguard cells). These cells form the basal disc in the mature fruiting body." [DDB:pg] synonym: "rearguard region" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000109 name: apex of the mound def: "Apical region of the mound where cAMP signals originate that trigger positive chemotaxis from pstA and pstO cells." [DDB:pg] is_a: DDANAT:0000111 ! apex relationship: part_of DDANAT:0000005 ! mound [Term] id: DDANAT:0000110 name: basal region def: "Region of the early pseudoplasmodium located at the closest to the substratum composed of pstB cells." [DDB:pg] synonym: "base" EXACT [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000111 name: apex def: "Apical region of the early plasmodium where cAMP signals originate that trigger positive chemotaxis from pstA and pstO cells." [DDB:pg] synonym: "tip" RELATED [] is_a: DDANAT:0010085 ! subdivision [Term] id: DDANAT:0000401 name: cell def: "Anatomical structure that has as its parts a maximally connected cell compartment surrounded by a plasma membrane." [CARO:MAH] is_a: DDANAT:0010001 ! Dictyostelium discoideum anatomical structure [Term] id: DDANAT:0000402 name: chemotactic amoeboid cell alt_id: DDANAT:0000001 def: "Starved cell that secretes and responds to chemoattractants (cAMP)." [DDB:pg, DDB_REF:5048, PMID:4338436] synonym: "amoebae" BROAD [] synonym: "chemotactic amoeboid cell (sensu Mycetozoa)" EXACT [CL:0000289] xref: CL:0000289 "Cell Line Ontology" is_a: DDANAT:0000083 ! Dictyostelium discoideum single cell organism relationship: develops_from DDANAT:0000414 ! spore relationship: part_of DDANAT:0000013 ! stream [Term] id: DDANAT:0000403 name: aggregate cell alt_id: DDANAT:0000009 def: "Differentiating cell composing the aggregate that has acquired adhesive properties." [DDB:pg] xref: CL:0000259 "Cell Line Ontology" is_a: DDANAT:0000401 ! cell relationship: develops_from DDANAT:0000402 ! chemotactic amoeboid cell relationship: part_of DDANAT:0000003 ! aggregation territory relationship: part_of DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000005 ! mound [Term] id: DDANAT:0000404 name: anterior like cell alt_id: DDANAT:0000019 def: "Cell that has properties of anterior cells (for e.g., accumulate vital dyes in autophagic vesicles) but that is are scattered throughout the rear of the slug. Some but not all these cells express the ecmA gene and/or the ecmB gene. ALCs maintain an amoeboid appearance during culmination. ALCs that express the ecmO promoter have been called pstO/ALC." [DDB:pg] synonym: "ALC" EXACT [] xref: CL:0000265 "Cell Line Ontology" is_a: DDANAT:0000401 ! cell relationship: develops_from DDANAT:0000403 ! aggregate cell relationship: part_of DDANAT:0000033 ! prespore region of the migratory slug [Term] id: DDANAT:0000405 name: prespore cell alt_id: DDANAT:0000003 def: "Cell that is undergoing differentiation to become a spore. Characterized by the presence of prespore vesicles (PV)." [DDB:pg, DDB_REF:439, PMID:4330277] synonym: "psp cell" EXACT [] xref: CL:0000267 "Cell Line Ontology" is_a: DDANAT:0000401 ! cell relationship: develops_from DDANAT:0000403 ! aggregate cell relationship: part_of DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000017 ! prespore region of the tipped mound relationship: part_of DDANAT:0000024 ! prespore region of the standing slug relationship: part_of DDANAT:0000033 ! prespore region of the migratory slug relationship: part_of DDANAT:0000041 ! prespore region of the early culminant relationship: part_of DDANAT:0000054 ! prespore region of the mid culminant relationship: part_of DDANAT:0000061 ! sorus of the late culminant [Term] id: DDANAT:0000406 name: prestalk cell def: "Cell that is undergoing differentiation to become a stalk cell and characterized by the ability to update vital dyes. Represents about one-quarter of the cells. During development, prestalk cells are located in the anterior portion of the organism." [DDB:pg, DDB_REF:448, DDB_REF:5059] synonym: "anterior cell" EXACT [] synonym: "pst cell" EXACT [] xref: CL:0000269 "Cell Line Ontology" is_a: DDANAT:0000401 ! cell [Term] id: DDANAT:0000407 name: pstO cell alt_id: DDANAT:0000006 def: "Cell that is undergoing differentiation to become a stalk cell. pstO cells express ecmA at a very low level and are located at the posterior half of the prestalk zone. Expresses ecmA from the distal region of its promoter (ecmO)." [DDB:pg] synonym: "prestalk O cell" RELATED [] xref: CL:0000279 "Cell Line Ontology" is_a: DDANAT:0000406 ! prestalk cell relationship: part_of DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000005 ! mound relationship: part_of DDANAT:0000022 ! prestalk O region of the standing slug relationship: part_of DDANAT:0000031 ! prestalk O region of the migratory slug relationship: part_of DDANAT:0000039 ! prestalk O region of the early culminant relationship: part_of DDANAT:0000050 ! prestalk O region of the mid culminant relationship: part_of DDANAT:0000102 ! prestalk O region of the tipped mound [Term] id: DDANAT:0000408 name: pstA cell alt_id: DDANAT:0000021 def: "Cell that is undergoing differentiation to become a stalk cell. pstA cells express the ecmA marker from a promoter region that is proximal to the ATG (ecmAO promoter). They are located at the anterior-most region of the slug. During culmination pstA cells differentiate into pstAB cells." [DDB:pg] synonym: "prestalk A cell" EXACT [] synonym: "pstAO cell" EXACT [] xref: CL:0000271 "Cell Line Ontology" is_a: DDANAT:0000406 ! prestalk cell relationship: part_of DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000005 ! mound relationship: part_of DDANAT:0000021 ! prestalk A region of the standing slug relationship: part_of DDANAT:0000030 ! prestalk A region of the migratory slug relationship: part_of DDANAT:0000038 ! prestalk A region of the early culminant relationship: part_of DDANAT:0000049 ! prestalk A region of the mid culminant relationship: part_of DDANAT:0000100 ! prestalk A region of the tipped mound [Term] id: DDANAT:0000409 name: rearguard cell alt_id: DDANAT:0000024 def: "Cell expressing ecmB but not ecmA. Rearguard cells are located at the very rear of the slug (rearguard region). These cells form the outer basal disc of the fruiting body. If a migratory slug is formed, these cells are left behind." [DDB:pg, PMID:8631253] synonym: "prestalk B cell" EXACT [] synonym: "pstB cell" RELATED [] xref: CL:0000275 "Cell Line Ontology" is_a: DDANAT:0000404 ! anterior like cell relationship: part_of DDANAT:0000025 ! basal region of the standing slug relationship: part_of DDANAT:0000034 ! posterior region of the migratory slug relationship: part_of DDANAT:0000045 ! basal region of the early culminant relationship: part_of DDANAT:0000057 ! basal disc of the mid culminant relationship: part_of DDANAT:0000067 ! outer basal disc of the late culminant relationship: part_of DDANAT:0000072 ! lower cup of the fruiting body relationship: part_of DDANAT:0000075 ! outer basal disc of the fruiting body [Term] id: DDANAT:0000410 name: pstAB cell alt_id: DDANAT:0000022 def: "Cell that is undergoing differentiation to become a stalk cell. pstAB cells express both ecmA and ecmB either simultaneously or sequentially. During culmination pstA differentiate into pstAB cells." [DDB:pg] synonym: "prestalk AB cell" EXACT [] xref: CL:0000273 "Cell Line Ontology" is_a: DDANAT:0000406 ! prestalk cell relationship: develops_from DDANAT:0000408 ! pstA cell relationship: part_of DDANAT:0000005 ! mound relationship: part_of DDANAT:0000023 ! prestalk AB core region of the standing slug relationship: part_of DDANAT:0000032 ! prestalk AB core region of the migratory slug relationship: part_of DDANAT:0000040 ! prestalk AB core region of the early culminant relationship: part_of DDANAT:0000051 ! prestalk AB core region of the mid culminant relationship: part_of DDANAT:0000101 ! prestalk AB core region of the tipped mound [Term] id: DDANAT:0000411 name: pstAB/ALC alt_id: DDANAT:0000031 def: "Anterior-like cell expressing both ecmA and ecmB." [DDB:pg] synonym: "prestalk AB/anterior like cell" EXACT [] xref: CL:0000281 "Cell Line Ontology" is_a: DDANAT:0000404 ! anterior like cell [Term] id: DDANAT:0000412 name: pstO/ALC alt_id: DDANAT:0000007 def: "Anterior-like cell that expresses the ecmO promoter and that can move to the position normally occupied by the pstO cells." [DDB:pg, PMID:8205618] synonym: "prestalk O/anterior like cell" EXACT [] xref: CL:0000283 "Cell Line Ontology" is_a: DDANAT:0000404 ! anterior like cell [Term] id: DDANAT:0000413 name: stalk cell alt_id: DDANAT:0000025 def: "Cell of polyhedric shape filling the stalk tube. Stack cells are large (around 8 icrons in diameter), highly vacuolated, and are surrounded by cell wall composed of cellulose. Stalk cells die upon terminal differentiation. Their role is to provide structural support for the fruiting body." [DDB:pg, DDB_REF:5059] xref: CL:0000285 "Cell Line Ontology" is_a: DDANAT:0000401 ! cell relationship: develops_from DDANAT:0000410 ! pstAB cell relationship: part_of DDANAT:0000052 ! stalk of the mid culminant relationship: part_of DDANAT:0000059 ! stalk of the late culminant relationship: part_of DDANAT:0000066 ! inner basal disc of the late culminant relationship: part_of DDANAT:0000068 ! stalk of the fruiting body relationship: part_of DDANAT:0000074 ! inner basal disc of the fruiting body [Term] id: DDANAT:0000414 name: spore alt_id: DDANAT:0000026 def: "Dormant cell protected by a tri-layer spore coat. The spore has an elliptical shape and is approximately 6-9 microns by 3 microns." [DDB:pg, DDB_REF:5048, PMID:4338436] synonym: "spore (sensu Mycetozoa)" EXACT [CL:0000291] xref: CL:0000291 "Cell Line Ontology" is_a: DDANAT:0000083 ! Dictyostelium discoideum single cell organism relationship: develops_from DDANAT:0000405 ! prespore cell relationship: part_of DDANAT:0000070 ! sorus of the fruiting body [Term] id: DDANAT:0000415 name: aspidocyte def: "Cell type formed in the presence of toxins. The membrane of the aspidocyte is highly resistant to detergents." [DDB:pg, PMID:17259634] is_a: DDANAT:0000083 ! Dictyostelium discoideum single cell organism relationship: develops_from DDANAT:0000414 ! spore [Term] id: DDANAT:0000417 name: pstB cell def: "Cell that is undergoing differentiation to become a stalk cell. pstB cells express the ecmB marker and form the outer basal disc in the fruiting body." [DDB:pg, PMID:8631253, PMID:8631254] synonym: "prestalk B cell" EXACT [] is_a: DDANAT:0000406 ! prestalk cell relationship: part_of DDANAT:0000004 ! loose aggregate relationship: part_of DDANAT:0000005 ! mound [Term] id: DDANAT:0000418 name: sentinel cell def: "Cell present in multicellular organism that has a high ability to engulf bacteria and toxin and is presumed to have a detoxification and immune-like role." [PMID:17673666] synonym: "S cell" EXACT [] is_a: DDANAT:0000401 ! cell [Term] id: DDANAT:0000430 name: pstI cell alt_id: DDANAT:0000008 def: "Initial population of prestalk cells that activate the ecmA promoter at the mound stage and that presumably further differentiate into pstA and pstO cells." [DDB:pg] synonym: "prestalk I cell" EXACT [] xref: CL:0000277 "Cell Line Ontology" is_obsolete: true [Term] id: DDANAT:0001000 name: pstU/ALC def: "Anterior-like cell that expresses the rtaA promoter but not ecmA, ecmB or the ecmO promoter." [DDB:pf, PMID:20080085] synonym: "prestalk U/anterior like cell" EXACT [] is_a: DDANAT:0000404 ! anterior like cell created_by: pfey creation_date: 2013-01-15T14:53:33Z [Term] id: DDANAT:0001001 name: pstU cell def: "Cell that is undergoing differentiation to become a stalk cell. pstU cells express the rtaA marker and preferentially populate the upper cup region during culmination." [DDB:pf, PMID:20080085] synonym: "prestalk U cell" EXACT [] is_a: DDANAT:0000406 ! prestalk cell created_by: pfey creation_date: 2013-01-15T15:06:40Z [Term] id: DDANAT:0010001 name: Dictyostelium discoideum anatomical structure alt_id: DDANAT:0000001 def: "Material anatomical entity that has inherent 3D shape and is generated by coordinated expression of the Dictyostelium discoideum genome." [CARO:MAH] [Term] id: DDANAT:0010081 name: acellular anatomical structure alt_id: DDANAT:0000081 def: "Anatomical structure that consists of cell parts and cell substances and together does not constitute a cell or a tissue." [CARO:MAH] xref: CARO:0000040 is_a: DDANAT:0010001 ! Dictyostelium discoideum anatomical structure [Term] id: DDANAT:0010082 name: whole organism alt_id: DDANAT:0000082 def: "Anatomical structure that is an individual member of the Dictyostelium discoideum species and consists of more than one cell." [CARO:MAH] xref: CARO:0000012 is_a: DDANAT:0010001 ! Dictyostelium discoideum anatomical structure [Term] id: DDANAT:0010085 name: subdivision alt_id: DDANAT:0000085 def: "Anatomical structure which is a primary subdivision of whole Dictyostelium organism. The mereological sum of these is the whole organism." [DDB:pg] xref: CARO:0000032 is_a: DDANAT:0010001 ! Dictyostelium discoideum anatomical structure [Typedef] id: develops_from name: develops_from [Typedef] id: part_of name: part of is_transitive: true