WormMine: ExpressionPattern Expr3186

• Pattern: The onset of hst-2 expression coincides with the start of morphogenesis in mid-embryonic (comma) stages where hst-2::GFP is first detected in developing pharyngeal cells. hst-2::GFP expression in the pharynx persists through larval development and remains in adults. In larvae, hst-2 is also expressed in the hypodermis (epidermis) and in neurons in both the dorsal and ventral nerve cords. In adults, hst-2::GFP is widely expressed in the pharynx, muscle and in several neurons in the nerve cords. During the development of the hermaphrodite vulva, hst-2::GFP is expressed in the vulval precursor cells. At larval stage L3, hst-2::GFP is seen in the four descendants of the P6.p vulval precursor cell. The expression of hst-2::GFP in vulval hypodermis persists through larval stage L4 to adults. During the hermaphrodite gonad morphogenesis, the gonad leader cells or DTCs also express hst-2::GFP.
• Primary Identifier: Expr3186

14 Anatomy Terms

Definition	Name	Synonym	Primary Identifier
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
Epidermal layer.	hypodermis	epidermis	WBbt:0005733
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
Anterior distal tip cell, inhibit meiosis in neighbouring germ cells, lead gonad during morphogenesis, herm gonad	anterior distal tip cell	gon herm dtc A	WBbt:0004520
Posterior distal tip cell, inhibit meiosis in neighbouring germ cells, lead gonad during morphogenesis, herm gonad	posterior distal tip cell	gon herm dtc P	WBbt:0004506
Contractile cell that makes up muscle tissue.	muscle cell		WBbt:0003675
a bundle of nerve processes that runs along the dorsal mid-line of the animal.	dorsal nerve cord	dorsal cord	WBbt:0006750
cell, posteior daughter of P6.p	P6.pp		WBbt:0006988
cell, anterior daughter of P6.p	P6.pa		WBbt:0006987
cell, anterior daughter of P6.pp	P6.ppa		WBbt:0006991
cell, posterior daughter of P6.pa	P6.pap		WBbt:0006990
cell, anterior daughter of P6.pa	P6.paa		WBbt:0006989
post-embryonic cell of pedigree P6.ppp	P6.ppp		WBbt:0007260
cell that has the potential to form structural part of a vulva.	vulval precursor cell	VPC	WBbt:0007809

1 Genes

WormBase Gene ID	Gene Name	Sequence Name	Organism
WBGene00002029	hst-2	C34F6.4	Caenorhabditis elegans

7 Life Stages

Remark	Definition	Other Name	Public Name	Primary Identifier
	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 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 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