This Week in PLoS

In PLoS One this week, an international research team reports the "variability in the incidence of miRNAs and genes in fragile sites and the role of repeats and CpG islands in the distribution of genetic material," which they've elucidated using statistical models. The researchers found that fragile sites are denser in miRNAs on average, and that there's a "positive correlation between fragility and repeats, and between miRNAs and CpG islands."

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A fire at a Manchester hospital may have destroyed lab equipment and data, the Guardian reports.

Researchers generate a genetic database from skeletal remains from the 1845 Franklin Expedition to the Arctic, Live Science reports.

Researchers in China have begun another trial using CRISPR/Cas9 approaches in cancer patients, according to the Wall Street Journal.

In Science this week: human DNA found in sediments from archeological sites lacking bones, and more.