The HIF-1 Hypoxia-Inducible Factor Modulates Lifespan in C. elegans Zhang, Yi ; Shao, Zhiyong ; Zhai, Zhiwei ; Shen, Chuan ; Powell-Coffman, Jo Anne Abstract Publication: PLoS ONE Pub Date: July 2009 DOI: 10.1371/journal.pone.0006348 Bibcode: 2009PLoSO...4.6348Z