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With DNA methylation data for more than 1,800 chronic lymphocytic leukemia B cells, researchers tracked CLL epimutation rates and saw lineages with distinct treatment responses.

The researchers reported that most of these changes, though not all, reverted to normal upon the astronaut's return to Earth.

The assay monitors mutations across a patient's genome and matches them to mutations found in a patient's resected tumor and in DNA in the bloodstream.

This Week in Nature

In Nature this week: protein-coding variants associated with body-fat distribution, and more.

New results from the NASA Twins Study indicate that the immune system may rev up when in space, the Washington Post reports.

Researchers used genomic, transcriptomic, and virulence data on thousands of Streptococcus pyogenes strains to identify features influencing infections.

The projects are organized by the Eliminate Cancer Initiative, the National Brain Tumor Society, and the Pediatric Brain Tumor Foundation.

This Week in Science

In Science this week: genome-wide chromatin accessibility profiles of The Cancer Genome Atlas tumors, and more.

MGISEQ-T7

At the ICG-13 conference, BGI previewed a high-throughput sequencer, MGISEQ-T7, that will be commercially available in 2019 and have a throughput of up to 20,000 genomes per year.

Weill Cornell will use Avalon GloboCare's exosome isolation system as part of a workflow to develop the exosomes for clinical studies.

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The Hill reports President Donald Trump issued an executive directing federal agencies to cut the number of board and advisory committees they have.

The New York Times reports that researchers are combining tools to more quickly develop crops to feed a growing population and cope with shifting climates.

Scientists in Canada are looking to the UK's plan to sequence children with rare conditions for inspiration, the National Post reports.

In PNAS this week: copy number changes arose during polar bear evolution, genomic and transcriptomic analysis of the Siberian hamster, and more.