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This Week in PLoS : May 28, 2012

A team led by investigators at Charles University in Prague this week present salivary gland transcriptomes and proteomes for Phlebotomus tobbi and Phlebotomus sergenti, two sand fly species that are vectors of leishmaniasis. "These transcriptomic and proteomic analyses provide a better understanding of sand fly salivary proteins across species and subgenera that will be vital in vector-pathogen and vector-host research," the authors write in PLoS Neglected Tropical Diseases.

Over in PLoS One, Emory University School of Medicine's Peng Jin and his colleagues report on mRNAs and miRNAs that show circadian rhythm-dependent altered expression in dfmr1 mutant Drosophila.

And in PLoS Genetics, researchers at the Baylor College of Medicine and elsewhere show that a duplication in 17p11.2 is obesity-opposing in the Dp(11)17 mouse strain that shows this copy-number alteration. "When fed with a high-fat diet, Dp(11)17/+ mice display much less weight gain and metabolic change than WT [wild-type] mice, demonstrating that the Dp(11)17 CNV [copy-number variant] protects against metabolic syndrome," the authors write.

The Scan

Missed Early Cases

A retrospective analysis of blood samples suggests early SARS-CoV-2 infections may have been missed in the US, the New York Times reports.

Limited Journal Editor Diversity

A survey finds low diversity among scientific and medical journal editors, according to The Scientist.

How Much of a Threat?

Science writes that need for a provision aimed at shoring up genomic data security within a new US bill is being questioned.

PNAS Papers on Historic Helicobacter Spread, Brain Development, C. difficile RNAs

In PNAS this week: Helicobacter genetic diversity gives insight into human migrations, gene expression patterns of brain development, and more.