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WSWS298

An integrated data resource for C. elegans and related nematodes

Expression Pattern :

Pattern  DDB-1::GFP expression was also observed in a subset of cells that do not proliferate during the larval stages, including the lateral hyp7 hypodermal cells, rectal gland and epithelial cells, and a subset of neuronal cells in the head and tail regions. Additionally, adult hermaphrodites exhibit high-level expression in the spermatheca. DDB-1::GFP expression from the transgenic array was not observed in germ cells, but this may be due to transgene silencing in the germ line. In embryos, authors did not observe significant zygotic DDB-1::GFP expression. In larvae, DDB-1::GFP expression was observed in blast cells that proliferate during the larval stages, including seam cells in the lateral hypodermis, P cells in the ventral hypodermis, and intestinal cells. The P-cell lineage has the longest quiescent period between rounds of cell division, and within the P lineage, DDB-1::GFP expression correlates with the proliferative state. P blast cells did not express DDB1::GFP in newly hatched L1 larvae; however, expression was observed later in the L1 stage as the cells began to proliferate. During the L2 stage, the P-cell descendants are either quiescent or postmitotic, and they lack DDB-1::GFP expression. DDB-1::GFP expression resumes during the L3 stage in the P-cell descendants that create the vulva (the vulval precursor cells [VPCs]), as they move from quiescence to proliferation, and expression continues through the L4 stage. In adults, all P cell descendants are postmitotic, and DDB-1::GFP is not expressed. Primary Identifier  Expr8280
Remark  Picture: Figure 2.
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42 Anatomy Terms

Definition Name Synonym Primary Identifier
an accordion-like tube that contains sperm and is the site of oocyte fertilization. spermatheca   WBbt:0005319
neuron with its cell body situated in the head, excluding the pharynx. head neuron   WBbt:0006751
neuron with its cell body situated in the tail, posterior to rectum. tail neuron   WBbt:0006759
entire syncytium of hyp7 hyp7 syncytium hyp7 WBbt:0005734
descendent cell of post-embryonic blast cell P5, posterior, in hermaphrodite. P5.p hermaphrodite   WBbt:0008121
descendent cell of post-embryonic blast cell P4, posterior, in hermaphrodite. P4.p hermaphrodite   WBbt:0008117
descendent cell of post-embryonic blast cell P3, posterior in hermaphrodite. P3.p hermaphrodite   WBbt:0008112
  P8.p hermaphrodite   WBbt:0008133
  P7.p hermaphrodite   WBbt:0008129
  P6.p hermaphrodite   WBbt:0008125
Posterior descendent cell of P1 fuses into postembryonic large hypodermal syncytium hyp7. P1.p   WBbt:0006889
descendent cell of P11, posterior P11.p   WBbt:0006899
descendent cell of P10, posterior P10.p   WBbt:0006898
Posterior descendent cell of P9 fuses into postembryonic large hypodermal syncytium hyp7. P9.p   WBbt:0006897
Posterior descendent cell of P2 fuses into postembryonic large hypodermal syncytium hyp7. P2.p   WBbt:0006890
descendent cell of P12, posterior P12.p   WBbt:0006900
  rectal gland cell   WBbt:0005799
Posterior daughter cell of P8.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P8.pp lineage name: P8.pp WBbt:0004145
Posterior daughter cell of P3.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P3.pp lineage name: P3.pp WBbt:0004153
Anterior daughter cell of P4.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P4.pa lineage name: P4.pa WBbt:0004151
Posterior daughter cell of P4.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P4.pp lineage name: P4.pp WBbt:0004149
Anterior daughter cell of P8.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P8.pa lineage name: P8.pa WBbt:0004147
Posterior daughter cell of P5.pp, fuses into hermaphrodite vulD syncytium. P5.ppp lineage name: P5.ppp WBbt:0004477
Anterior daughter cell of P7.pa, fuses into hermaphrodite vulD syncytium. P7.paa lineage name: P7.paa WBbt:0004448
Anterior daughter cell of P3.p, fuses into postembryonic large hypodermal syncytium in hermaphrodite. P3.pa lineage name: P3.pa WBbt:0004155
cell, anterior daughter of P6.p P6.pa   WBbt:0006987
cell, posterior descendent of P7.p P7.pp   WBbt:0006984
cell, anterior descendent of P7.p P7.pa   WBbt:0006983
cell, anterior daughter of P6.pp P6.ppa   WBbt:0006991
cell, posterior daughter of P6.pa P6.pap   WBbt:0006990

1 Genes

WormBase Gene ID Gene Name Sequence Name Organism
WBGene00010890 ddb-1 M18.5 Caenorhabditis elegans

0 Life Stages