A family tree can be very illuminating, but there can be some surprises in those branches, too. A recent mBio paper delves into the ancestry of Streptococcus agalactiae, a.k.a. Group B Strep (GBS), and uncovers some unexpected facts about the bacterium’s family history. Sørensen at al. examined 15 housekeeping genes to plot the phylogeny of a collection of 238 bovine and human GBS isolates from nine countries to determine what evolutionary processes might be behind the emergence of the disease.
Click on the link above to read more on mBio's blog, mBiosphere.