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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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Nature News writes that additional details about the UK plan for an agency to support high-risk, high-reward science are needed.

The New York Times reports that the US Food and Drug Administration has authorized Johnson & Johnson's SARS-CoV-2 vaccine.

The Wall Street Journal writes new studies are giving glimpses into the origins of SARS-CoV-2.

In PLOS this week: analysis of Plasmodium population structure, qPCR assay to diagnose scabies, and more.