This Week in Cell

A transmissible form of a leukemia-like disease that's been impacting soft-shell clam populations on the East Coast of North America since the 1970s appears to stem from a clonal cell line being passed from one clam to another, according to a Cell study. A group fromColumbiaUniversity and Environment Canada did PCR-based genotyping on mitochondrial SNPs and DNA microsatellites in nine soft-shell clams with the neoplasm and 11 without.

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A new study finds that a placental protein linked with preeclampsia can be targeted by RNA silencing, according to the New Scientist.

A settlement is expected in a Duke University lawsuit hinging on using falsified data to win grants, Retraction Watch and Science report.

In PNAS this week: approach for analyzing the expression of endogenous retroviruses, circular RNAs that influence host-virus interactions, and more.

A phylogenetic analysis finds that the rare hemimastigotes form their own supra-kingdom, CBC reports.