This Week in Cell

New York University School of Medicine's Evgeny Nudler et al. link RNA polymerase backtracking to genome instability in E. coli in Cell this week. In its paper, the NYU team shows that "co-directional collisions between backtracked RNAP [RNA polymerase] and replisome lead to DSBs [double-strand breaks]" in the bacterium. It also shows that "active ribosomes preserve genome integrity" by preventing such backtracking.

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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.