The University of Montreal's Philip Awadalla, with Canadian and American collaborators, describes ties between rare alleles in the meiotic recombination-related gene PRDM9 and childhood leukemia in an early, online Genome Research study. The team picked up rare, maternally inherited PRDM9 variants when they tested two French Canadian siblings with B-cell precursor acute lymphoblastic leukemia and their unaffected parents.

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The partially reinstated US travel ban leaves space for uncertainty for researchers, Nature News says.

Researchers find a number of traits differ by sex and could affect mouse model studies, according to Reuters.

Tweaking the skin microbiome could help address some skin conditions, the New York Times reports.

In PNAS this week: DNA methylation profiles of tumor tissue, gene dynamics in prokaryotes, and more.