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Hif-Independent Responses In Hypoxia, Divya Padmanabha
Hif-Independent Responses In Hypoxia, Divya Padmanabha
Theses and Dissertations
The adaptive response to hypoxia is accompanied by widespread transcriptional changes that allow for prolonged survival in low oxygen. Many of these changes are directly regulated by the conserved hypoxia-inducible factor-1 (HIF-1) complex; however, even in its absence, many oxygen-sensitive transcripts in Caenorhabditis elegans are appropriately regulated in hypoxia. To identify mediators of these non-HIF-dependent responses, I established a hif-1 mutant reporter line that expresses GFP in hypoxia or when worms are treated with the hypoxia mimetic cobalt chloride (cobalt chloride). The reporter is selective and HIF-independent, in that it remains insensitive to a number of cellular stresses, but is …