By studying the reproductive cells of nematodes — tiny worms found in soil and compost bins — a researcher identified the Piwi/piRNA genome silencing pathway, the loss of which results in infertility after many generations. This study also found a signaling pathway — a series of molecular interactions inside cells — that could be tweaked to overcome infertility while also causing the worms to live longer adult lives. …Read Full Story
Aging linked to cellular interactions that occur across generations
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