In Genome Research this week, a study out of Michael Wigler's lab at Cold Spring Harbor has looked at how tumor progression relates to genomic heterogeneity. To examine heterogeneous breast tumors, they developed a method called Sector-Ploidy-Profiling (SPP).

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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.