# s-ecol: asymmetric cooperation during symbiosis (among Polynucleobacteria)

<< Relationships where two organisms depend on each other, known as symbiosis, evoke images of partnership and cooperation. But a new study in Nature Ecology and Evolution shows that, when it comes to certain microorganisms, symbiotic partners are actually being held "hostage" >>

Hostage situation or harmony? Researchers rethink symbiosis. July 27, 2017

https://m.phys.org/news/2017-07-hostage-situation-harmony-rethink-symbiosis.html

Vittorio Boscaro, Martin Kolisko, et al.  Parallel genome reduction in symbionts descended from closely related free-living bacteria. Nature Ecology & Evolution 1, 1160–1167 (2017) doi: 10.1038/s41559-017-0237-0 Publ. July 21,  2017

https://www.nature.com/articles/s41559-017-0237-0