This Week in PNAS

In the early, online edition of PNAS this week, Japanese and American researchers report on stripped down bacterial genomes developed from the industrial bug Streptomyces avermitilis. By systematically deleting non-essential genes, the team was left with deletion mutations containing between 81 and 83 percent of the original S. avermitilis genome.

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A research duo estimates in PLOS One the number of papers that have used misidentified cell lines.

UK's National Institute for Health and Care Excellence approves GlaxoSmithKline's SCID gene therapy despite cost.

Science reports that Brazilian researchers are petitioning for the reversal of budget cuts.

In PLOS this week: gene flow patterns in common ash, guidelines for using morpholinos in zebrafish, and more.