WormMine

WSWS298

An integrated data resource for C. elegans and related nematodes

Expression Pattern :

Pattern  Uniform expression of odd-1::GFP was detected in the intestine of embryos and larvae when the transgene was expressed from an extrachromosomal array. To more carefully assess odd-1::GFP localization, an integrated transgenic line was isolated and embryos from this line double-stained with antibodies specific for GFP and for the intestinal marker MH33. Uniform odd-1::GFP staining was detected in presumptive gut cells prior to the onset of elongation. However, unlike the more static pattern seen with the unstable extrachromosomal lines, differences in expression in the head and intestine were seen during elongation. The GFP signal increased in the most anterior cells of the intestine, and showed a concomitant relative decrease throughout the rest of the intestine, during the early stages of elongation. As elongation proceeded, additional GFP-positive cells were detected in the head. Primary Identifier  Expr2898
Remark  Reporter gene fusion type not specified. The observed expression pattern correlates well with the RNAi data, which point to a role for odd-1 in gut function and in cell specification in the head (probably in or associated with the pharynx).
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1 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

1 Genes

WormBase Gene ID Gene Name Sequence Name Organism
WBGene00003845 odd-1 B0280.4 Caenorhabditis elegans

5 Life Stages

Remark Definition Other Name Public Name Primary Identifier
  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 whole period of embryogenesis in the nematode Caenorhabditis elegans, from the formation of an egg until hatching. embryo Ce WBls:0000003