This Week in Science

In this week's Science, a team led by researchers from Montana State University publish the crystal structure of the CRISPR RNA-guided surveillance complex in Escherichia coli. CRISPR is part of an adaptive immune system in bacteria and is being adapted as a research tool and potential therapeutic. In E. coli, CRISPR-derived RNAs form a protein complex known as Cascade that helps detect invading DNA.

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American scientists find themselves once again warning the Trump administration not to dismiss science, the New Yorker report.

A new study suggests CRISPR could be used to save coral reefs from dying off, Forbes reports.

Researchers have found that the i-motif shape of DNA previously observed in the lab also exists in human cells, and that it may serve a purpose.

In PNAS this week: a genomic, transcriptomic, and metabolomic analysis of the tea plant, Arabidopsis thaliana's adaptations to specific local environments, and more.