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Change is Overrated

Jul 10, 2007

Researchers led by Robert Waterston compared the genomes of Caenorhabditis elegans and Caenorhabditis briggsae and report in PLoS Biology that chromosomal organization may affect an organism's fitness. By looking at these two strains of Caenorhabditis, whose most recent common ancestor lived about 100 million years ago, they discovered that their chromosomes shared a similar architecture – genes pretty much stayed on the same chromosome and only a few intrachromasomal rearrangements occurred.

Breaking News
The Scan

Could Cost Billions

NBC News reports that the new Alzheimer's disease drug from Biogen could cost Medicare in the US billions of dollars.

Not Quite Sent

The Biden Administration likely won't meet its goal of sending 80 million SARS-CoV-2 vaccine doses abroad by the end of the month, according to the Washington Post.

DTC Regulation Proposals

A new report calls on UK policymakers to review direct-to-consumer genetic testing regulations, the Independent reports.

PNAS Papers on Mosquito MicroRNAs, Acute Kidney Injury, Trichothiodystrophy

In PNAS this week: microRNAs involved in Aedes aegypti reproduction, proximal tubule cell response to kidney injury, and more.