NEW YORK (GenomeWeb News) – Epigenetics-based cancer test developer PrognosDx has named Joseph Vallner to be its new CEO. Vallner, who formerly was president and COO at Cell Genesys, will succeed founding President and CEO Kamran Tahamtanzadeh, who will continue to serve as chairman of the board of directors.

The company is preparing to launch its PrognoScore test to predict clinical outcomes and assess risk probabilities for prostate cancer.

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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.