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  • Ciona intestinalis NADH dehydrogenase NDX confers stress-resistance and extended lifespan on Drosophila.

Ciona intestinalis NADH dehydrogenase NDX confers stress-resistance and extended lifespan on Drosophila.

Biochimica et biophysica acta (2014-08-16)
Dmytro V Gospodaryov, Oleh V Lushchak, Bohdana M Rovenko, Natalia V Perkhulyn, Mike Gerards, Tea Tuomela, Howard T Jacobs
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.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Menadione sodium bisulfite, ≥95% (TLC)
Sigma-Aldrich
Menadione sodium bisulfite, BioReagent, suitable for cell culture, ≥95% (TLC)