NEW YORK (GenomeWeb News) – A new Nature Genetics study suggests the widespread tuberculosis pathogen Mycobacterium tuberculosis likely emerged from an ancestral strain resembling a group of smooth colony-forming mycobacteria that currently cause human infections almost exclusively in East Africa.

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In Science this week: swapping yeast genes with human orthologs to study conservation of function, and more.

Hong Kong is using DNA phenotyping to shame litterers.

A study appearing in Cell suggests some metastatic castration-resistant prostate cancer patients could benefit from PARP inhibitor therapy.

NIH's Francis Collins writes that scientific advances are poised to help populations all over the world, but more scientists are needed to keep the momentum.