University of Washington researchers present findings from an effort to characterize pathogenic forms of Escherichia coli found outside the intestine, such as in blood or urine samples. The team detected extensive genomic heterogeneity when it did whole-genome sequencing and de novo genome assembly on more than 300 isolates of extraintestinal, pathogenic E.

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NPR reports that Turkish high school students will no longer study evolution.

Researchers report they sequenced and identified plant species in an "al fresco" laboratory.

An Australian team searches for genetic alterations linked to depression in hopes of developing personalized treatments, the Sydney Morning Herald reports.

In PNAS this week: host contributors to typhoid fever risk, effects of obesity-related variants near TMEM18, and more.