Article
Two distinct roles for EGL-9 in the regulation of HIF-1-mediated gene expression in Caenorhabditis elegans.
Genetics - 1 Nov 2009
Shao Zhiyong, Zhang Yi, Powell-Coffman Jo Anne
Abstract excerpt
Oxygen is critically important to metazoan life, and the EGL-9/PHD enzymes are key regulators of hypoxia (low oxygen) response. When oxygen levels are high, the EGL-9/PHD proteins hydroxylate hypoxia-inducible factor (HIF) transcription factors. Once hydroxylated, HIFalpha subunits bind to von Hippel-Lindau (VHL) E3 ligases and are degraded. Prior genetic analyses in Caenorhabditis elegans had shown that EGL-9...
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