This Week in PLOS

University of Colorado at Boulder researchers Jonathan Leff and Noah Feirer took stock of the microbial communities found on fresh fruits and vegetables for a PLOS One study. The pair used 16S ribosomal gene sequencing to canvass microbial community members on 11 types of fruit and vegetables purchased at Boulder grocery stores (including organic and non-organic representatives, in most cases).

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Dog DNA testing finds that some purebreds might not truly be purebreds, Inside Edition reports.

Mary Beckerle has returned as director of the Huntsman Cancer Institute, according to ScienceInsider.

Smithsonian Magazine reports that environmental DNA sampling can be used to track elusive organisms.

In Genome Research this week: repetitive satellite DNA in the fruit fly, transcriptome map assembly pipeline, and more.