Rickettsiella grylli

Rapid DNA mutations
Rickettsiella grylli is a bacterial pathogen of orthopteran insects. From the context of intracellular symbioses, the Rickettsiaceae are
among the most important bacterial families.
They include several intracellular pathogens, including several human pathogens transmitted by ticks and lice. They are also believed to have
included the bacterial ancestors of the mitochondrion.