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Scientists at the Oregon Health and Science University show in work published in the early online edition of Nature this week that they can replace a diseased mitochondrial genome in egg cells. Using a technique called spindle-chromosomal complex transfer, they transferred the mitochondrial genome from a mature Macaca mulatta egg cell into another egg cell that had a nucleus but no mitochondrial genome. From these, they were able to give birth to healthy monkeys.

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An analysis of blood donations suggests SARS-CoV-2 was present in the US weeks earlier than thought, according to NPR.

The Guardian reports that DeepMind Technologies' AlphaFold can predict how proteins fold.

CNBC reports that a US Centers for Disease Control and Prevention advisory panel is to vote on how to distribute COVID-19 vaccines.

In PNAS this week: targeting progesterone signaling in ovarian cancer, LINE-1 retrotransposition events in adenocarcinomas, and more.