NEW YORK (GenomeWeb News) – Researchers at Washington University School of Medicine have received a nearly $2 million grant from the Bill and Melinda Gates Foundation to identify biomarkers and develop a molecular diagnostic test for onchocerciasis, commonly called river blindness.

The disease, which is caused by the parasitic worm Onchocerca volvulus and causes visual impairment, skin lesions, and severe itching, affects around 37 million people, mostly in sub-Saharan Africa but also in Latin America.

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In PNAS this week: genomic study of group B Streptococcus evolution, selection on the X chromosome in great apes, and more.

Changing the fat and fiber content of people's diets affects their gut microbiome, metabolome, and colon cancer risk, researchers say.

Broken links are found throughout academic publications, and some services are trying to combat such link decay.

Nick Stockton at Wired says that a pause in studying genome-editing tools should be used to find a path forward.