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In the current issue of Nature, scientists led by the University of Pennsylvania's Shelley Berger used chIP to study how Sir2 in yeast, which is known to deacetylate histone H4 lysine 16 and play a role in aging, affects cellular longevity. She found that in old yeast cells, a decrease in Sir2 was met by an increase in H4 lysine 16 acetylation and loss of histones at specific subtelomeric regions, resulting in "compromised transcriptional silencing at these loci."

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Researchers have developed a robotic lab assistant, the Verge reports.

CBC News reports Canada's Supreme Court is to rule on the constitutionality of the country's genetic non-discrimination law today.

The Associated Press reports the World Health Organization is sending experts to China to investigate the animal source of SARS-CoV-2.

In Science this week: atlas of affected cell populations in idiopathic pulmonary fibrosis, and more.