This Week in Nature

In Nature this week, a team of researchers from across the US present a comprehensive analysis of the genome-wide chromatin landscape of Drosophila melanogaster, based on 18 histone modifications and summarized by nine prevalent combinatorial patterns. Active genes display distinct chromatin signatures that are correlated with "disparate gene lengths, exon patterns, regulatory functions and genomic contexts," the authors write.

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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.