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Giuseppe Attardi, the molecular biologist and Caltech professor best known for his research into mitochondria, died at the age of 84, according to this obituary from the New York Times. Early studies of gene expression and protein synthesis by mitochondria "became the foundation for his widely recognized studies of how genetic mutations hinder the mitochondrion’s effectiveness and may result in a cell’s decline and aging," the article says.

 

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A South African university has told the Wellcome Sanger Institute to return DNA samples it has from indigenous African communities, The Times reports.

The University of California, Berkeley's Rasmus Nielsen and Xinzhu Wei have retracted their CCR5 gene paper due to a technical artifact.

 

University of Virginia researchers are exploring a genetic risk test to gauge type 1 diabetes risk, NPR reports.

In PNAS this week: researchers compare two high-grade neuroendocrine lung cancers, height among ancient Europeans, and more.