This Week in Nature

In this week's Nature Genetics, researchers from the University of California, San Francisco, report data showing that competition between animal mitochondrial genomes is directed by the selfish drive of a genome rather than the functionality it imparts to an organism. To explore how mitochondrial genomes compete for transmission from mother to progeny, the researchers introduced additional genomes into Drosophila.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.