WormMine

WS294

Intermine data mining platform for C. elegans and related nematodes

Expression Pattern :

Pattern  Expression begins in precomma stage embryos. It is quite strong, with extensive diffuse cytoplasmic staining as well as nuclear localised staining. Expression is strongest in young larvae, with staining observed in the ventral nerve cord, the circumpharyngeal nerve ring, the head ganglion, the tail ganglion, the retrovesicular ganglion, and in the developing vulva. In older larvae and in adults the strong pharyngeal expression seen in young larvae is less intense and some neuronal processes in the head become apparent (e.g. the motorneuron M1). There is also staining in the pharyngo-intestinal valve and in the seam cells, though expression appears to exclude the nuclei and is generally intermittent along the seam. The defecation muscle group stain as does its axon, DVB. The dorsal cord also stains but is very faint. Two commissures stain (these are also faint), one is located anterior to the vulva, and the other is posterior to the vulva. Primary Identifier  Expr122
Remark  Other strain-- UL403 late embryo(author) = elongating embryo + fully-elongated embryo(curator).
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57 Anatomy Terms

Definition Name Synonym Primary Identifier
A group of six equivalent cells forms a tightly constructed `valve` that links the posterior bulb of the pharynx to the anterior four cells of the intestine. These six cells comprise a small epithelial channel with a cuticular lining in continuity with the pharyngeal cuticle and link the lumen of the pharynx to the large lumen of the anterior intestine. pharyngeal-intestinal valve cardia WBbt:0005767
a large process bundle that runs along the vental mid-line extending from the ventral region of the nerve ring. ventral nerve cord ventral cord WBbt:0005829
the feeding organ, a neuro-muscular pump in the head of the animal, used to ingest food, bacteria suspended in liquid, filter them out, grind them up and transport posteriorly into the instestine. pharynx esophagus WBbt:0003681
a group of hypodermal cells that lie along the apical midline of the hypodermis, at the extreme left and right sides between nose and tail seam cell lateral hypodermis WBbt:0005753
the most extensive region of neuropil in the animal, consists of a large toroidal bundle of processes. nerve ring circumpharyngeal nerve ring WBbt:0006749
a bundle of nerve processes that runs along the dorsal mid-line of the animal. dorsal nerve cord dorsal cord WBbt:0006750
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
adult vulval toroid cell, F, formed by fusion of precursors of lineage names P6.papl, P6.papr, P6.ppal and P6.ppar. vulF   WBbt:0006768
adult vulval toroid cell, E, formed by fusion of precursors of lineage names P6.paal, P6.paar, P6.pppl and P6.pppr. vulE   WBbt:0006767
Ganglion that lies at the anterior limit of the ventral nerve cord, near the ventral ganglion and nerve ring in the head posterior to the excretory pore. It is open and continuous with the region containing the motoneurons of the ventral cord. In the early L1 this ganglion holds 12 neuron cell bodies plus one neuroblast (Sulston and Horvitz, 1977; White et al., 1986). In the adult animal, the ganglion holds 20 neuron cell bodies. retrovesicular ganglion   WBbt:0005656
ganglion in the head. head ganglion   WBbt:0005135
ganglion anterior to the anus. preanal ganglion   WBbt:0005448
the ganglion that lies above and behind the rectum in the tail, in close continuity with the anal hypodermal ridge. It contains 3 neuron cell bodies (DVA, DVB and DVC) that send their neuronal processes into the ventral nerve cord via dorso-rectal commissures that encircle the anus. The ganglion contains no local neuropil in the hermaphrodite. In the adult male tail, this ganglion gains additional neurons and some local neuropil. dorso-rectal ganglion   WBbt:0005212
The left and right lumbar ganglia lie behind the pre-anal ganglion in the tail, in lateral positions. Each contains 12 neuron cell bodies that send most of their neuronal processes into the ventral nerve cord via lumbar commissures and the pre-anal ganglion. There is no local neuropil in these ganglia in the hermaphrodite, instead they form most synapses in the pre-anal ganglion. Most lumbar neurons have sensory functions. In the adult male tail, these two ganglia gain many additional neurons and have some local neuropil. The lumbar neurons lie in close association with the lateral hypodermis, and most are posterior to the anus. lumbar ganglion lumbar lateral ganglia WBbt:0005830
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

1 Genes

WormBase Gene ID Gene Name Sequence Name Organism
WBGene00004760 sel-2 F10F2.1 Caenorhabditis elegans

8 Life Stages

Remark Definition Other Name Public Name Primary Identifier
  The second stage larva. At 25 Centigrade, it ranges 25.5-32.5 hours after fertilization, 11.5-18.5 hours after hatch. L2 larva Ce WBls:0000027
  The fourth stage larva. At 25 Centigrade, it ranges 40-49.5 hours after fertilization, 26-35.5 hours after hatch. L4 larva Ce WBls:0000038
  The first stage larva. At 25 Centigrade, it ranges 14-25.5 hours after fertilization, 0-11.5 hours after hatch. L1 larva Ce WBls:0000024
  The stage that begins when a C.elegans individual is fully-developed and has reached maturity. adult Ce WBls:0000041
  The third stage larva. At 25 Centigrade, it ranges 32.5-40 hours after fertilization, 18.5-26 hours after hatch. L3 larva Ce WBls:0000035
  The whole period of embryogenesis in the nematode Caenorhabditis elegans, from the formation of an egg until hatching. embryo Ce WBls:0000003
  The C. elegans life stage spanning 620-800min(hatch) after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. A stage after elongation is over. The last stage of embryogenesis. Also called pre-hatched embryo, late embryo or morphogenetic embryo. fully-elongated embryo Ce WBls:0000021
  The C. elegans life stage spanning 350-620min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The stage that embryo starts elongation until elongation is over. elongating embryo Ce WBls:0000015