This Week in Science

In Science Signaling this week, researchers in Germany report on their loss-of-function RNAi screen which revealed Ras- and Raf-independent MEK-ERK signaling in human epithelial cells during Chlamydia trachmatis infection. Their study also identified 59 host factors that either positively or negatively influenceChlamydia replication; depletion of Ras or Raf in HeLa cells increased the pathogen's growth.

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A former Penn State Hershey Medical Center staffer has admitted to lying about skipping mandatory steps of genetic cancer tests he performed, the Associated Press reports.

The genome of a rare, red bat suggests that its effective population size has been in decline for thousands of years, according to a PLOS One study.

In Nature this week: investigation into the genetics of medulloblastoma, and more.

A project in the UK is to use genomic selection to speed spruce tree growth, according to Innovators Magazine.