NEW YORK (GenomeWeb News) – Direct transmission of Clostridium difficile from one patient to another may be a less common mode of infection than anticipated in some healthcare settings, according to a new Genome Biology study. Researchers from the University of Oxford and elsewhere used genome sequencing to study C. difficile transmission at four British hospitals.

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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.