Evolution of gut bacteria tracks splits in primate species
Microbes may have played role in shaping ape, human evolution
![silhouettes of primates](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/07/072116_am_species-evolution_free.png?fit=860%2C460&ssl=1)
EASY RIDER Gut bacteria have been passed down from the ancestors of humans and African apes for millennia, evolving alongside their hosts, says a new study that looked at bacteria from gorillas, bonobos, chimpanzees and humans.
J. Segre and N. Salafsky/Science 2016