This Week in Science

In early online, scientists have found that transposases play a role in one large eukaryotic genome. Studying the protozoan Oxytricha trifallax, which gets rid of 95 percent of its germline genome during development, they found that transposase genes play a key role in this process. "Transposase gene expression occurs during germline-soma differentiation and ... silencing of transposase by RNAi leads to abnormal DNA rearrangement in the offspring," they say in the abstract.

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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.