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The impact of dfoxo mutation upon dietary restriction. (A) Western blot against dFOXO of wild-type (+/+), heterozygote (foxo21/+ and foxow24/+), and heteroallelic null (foxo21/foxow24) genotypes, with β-tubulin as loading control. (B) Mean lifespan (standard error) as a function of dietary yeast concentration for dfoxo genotypes.
