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(a) What does Professor Charles Brenner argue regarding the designation of sirtuins as conserved "longevity genes"?
Professor Charles Brenner argues that the designation of sirtuins as conserved "longevity genes" is a result of biochemical artifacts, non-reproducible experiments, and misinterpretations of yeast models. (Brenner)
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(a) Evaluation of Professor Charles Brenner’s Critique
What is the RLS model?
It counts how many times an "old mother" cell can divide. (brenner)
What is the problem with old mother cells?
They represent only 1 in 5 million cells in a population. (brenner)
Are old mothers evolutionarily selected?
No, they are an evolutionarily non-selected trait. (brenner)
Why can a culture be regenerated?
From any single young cell. (brenner)
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The Replicative Life Span (RLS) Fall