Ciona intestinalis NADH dehydrogenase NDX confers stress-resistance and extended lifespan on Drosophila
2014
Abstract An assembled cDNA coding for the putative single-subunit NADH dehydrogenase (NDX) of Ciona intestinalis was introduced into Drosophila melanogaster . The encoded protein was found to localize to mitochondria and to confer rotenone-insensitive substrate oxidation in organello. Transgenic flies exhibited increased resistance to menadione, starvation and temperature stress, and manifested a sex and diet-dependent increase in mean lifespan of 20–50%. However, NDX was able only weakly to complement the phenotypes produced by the knockdown of complex I subunits.
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