WormMine: ExpressionPattern Expr16505

• Pattern: We examined the expression of pals-17p::GFP and pals-20p:: wrmScarlet transcriptional reporters at the L4 stage. Both transgenes were expressed in intestinal tissue, especially in the anterior-most and posterior-most intestinal cells. Furthermore, we found that both reporters were expressed in the head region. pals-17p::GFP signal was present in head neurons, whereas pals-20p::wrmScarlet was sporadically and weakly expressed in the head region.
• Primary Identifier: Expr16505

2 Anatomy Terms

Definition	Name	Synonym	Primary Identifier
A chain of very large cuboidal cells forming a wide central lumen in which food arrives from the posterior pharynx, is digested, and from which waste products proceed to the rectum. Intestinal rings form in groups of two and four cells surrounding the common lumen; thus the epithelium is only one cell deep at any point, with neighboring cells firmly secured to their neighbors by apical adherens junctions. These cells have very large nuclei and many large vacuoles, yolk granules, and other inclusions; the latter increase in number and electron density as the animal ages.	intestine	gut	WBbt:0005772
anterior-most body region containing the pharynx.	head		WBbt:0005739

1 Genes

WormBase Gene ID	Gene Name	Sequence Name	Organism
WBGene00194746	pals-20	Y82E9BR.25	Caenorhabditis elegans

1 Life Stages

Remark	Definition	Other Name	Public Name	Primary Identifier
	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