Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to survive hundreds of years by adjusting its virulence and the length of time ...

A small genetic change makes the bacterium that caused the plague less fatal but possibly more transmissible, allowing for ...

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and ...