例如:"lncRNA", "apoptosis", "WRKY"

Regulation of the Caenorhabditis elegans posterior Hox gene egl-5 by microRNA and the polycomb-like gene sop-2.

Dev Dyn. 2009 Mar;238(3):595-603. doi:10.1002/dvdy.21876
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摘要


In Caenorhabditis elegans, the domains of Hox gene expression are controlled by the novel global regulatory gene sop-2. We identified a region located 3' of the Hox gene egl-5 that promotes ectopic expression of an egl-5 reporter gene in a sop-2 mutant. SOP-2 could directly block positive regulatory factors acting in this region, or it could block their expression. We identified three possible miRNA binding sites within the egl-5 3' untranslated region (UTR). Cognate microRNAs are expressed in relevant tissues and can block egl-5 expression when expressed from a transgene. Mutation of the putative binding sites in the egl-5 3'UTR resulted in a modest degree of misexpression of a minimal egl-5 reporter gene, suggesting that microRNAs may contribute to the tight restriction of egl-5 expression to particular cell lineages. (c) 2009 Wiley-Liss, Inc.

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