Our laboratory working with researchers from other universities, found that the microbe Blastocystis, commonly found in the guts of both humans and animals, can survive under conditions previously thought impossible.
The University of Kent press release can be found here:
https://www.kent.ac.uk/news/science/20087/new-research-questions-role-of-gut-parasite-in-intestinal-diseases-such-as-ibs
The paper entitled The Human Gut Colonizer Blastocystis Respires Using Complex II and Alternative Oxidase to Buffer Transient Oxygen Fluctuations in the Gut, (Anastasios Tsaousis, Campbell Gourlay, University of Kent; Karleigh Hamblin, Mark van der Giezen, University of Exeter; Catherine Elliott, Luke Young, Alicia Rosell-Hidalgo, Anthony Moore, University of Sussex) is published in the journal Frontiers in Cellular and Infection Microbiology. https://www.frontiersin.org/articles/10.3389/fcimb.2018.00371/full