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WormBase Tree Display for Expr_pattern: Expr1803

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Name Class

Expr1803Expression_ofGeneWBGene00000905
Reflects_endogenous_expression_ofWBGene00000905
Expression_dataLife_stageWBls:0000024
WBls:0000038
WBls:0000027
WBls:0000035
WBls:0000041
WBls:0000021
WBls:0000032
Anatomy_termWBbt:0004551Certain
WBbt:0004553Certain
WBbt:0004934Uncertain
WBbt:0004935Uncertain
WBbt:0005319Certain
GO_termGO:0043025
Subcellular_localizationThe DAF-9::GFP fusion protein was very finely localized within the cell bodies, whereas GFP driven by the same promoter, but without daf-9 coding sequences, diffused throughout the cell body.
TypeReporter_gene
PatternThe DAF-9::GFP fusion protein was expressed mainly in a pair of neurons anterior to the nerve ring, and the signal was detected in all stages from late embryos to adult. Expression in embryos was observed only in those which developed at 25C. The intensity of the signal was not noticeably different in stages from L2 to adult, or in the dauer larva, but was fainter in embryos and L1 larvae. Weak expression was also observed in the spermathecae of older adults raised at 25C. Two cells strongly expressing GFP were identified as right and left ventral Inner Labial-1 (IL1) neurons, but right and left ventral URA neurons could not be excluded. In some transgenic animals, DAF-9::GFP was only expressed in one of the ventral cells. The positions of these two cell bodies are variable, with one occasionally found anterior to the metacorpus.
RemarkWhen injected into the germline of daf-9(m540), it fully rescued the Daf-c phenotype (Table 3), indicating that the gfp reporter must be expressed in cells required for daf-9 function.
ReferenceWBPaper00005086
TransgeneWBTransgene00027696