NEW YORK (GenomeWeb News) – The nature and abundance of microbes living in elderly individuals' intestines can provide information about their broader health, according to a study online in Nature. Researchers from Ireland and the UK used 16S sequencing and other analyses to assess microbial community composition in fecal samples from 78 elderly Irish individuals between the ages of 64 and 102 years old who had not taken antibiotics recently.

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US News & World Report writes that genetic testing of lung tumors can help identify treatments for patients.

A team of researchers plans to sample Loch Ness for environmental DNA, according to Newsweek.

The New York Times writes about the appearance of mosaicism in healthy people.

In PNAS this week: insecticide resistance patterns Anopheles gambiae mosquito, transcriptome patterns in Pseudomonas aeruginosa during infection, and more.