Asynchronous division by non-ring FtsZ in the gammaproteobacterial symbiont of Robbea hypermnestra

作者：Leisch Nikolaus; Pende Nika; Weber Philipp M; Gruber Vodicka Harald R; Verheul Jolanda; Vischer Norbert O E; Abby Sophie S; Geier Benedikt; den Blaauwen Tanneke; Bulgheresi Silvia

来源：Nature Microbiology, 2017, 2(1): 16182.

DOI：10.1038/nmicrobiol.2016.182

The reproduction mode of uncultivable microorganisms deserves investigation as it can largely diverge from conventional transverse binary fission. Here, we show that the rod-shaped gammaproteobacterium thriving on the surface of the Robbea hypermnestra nematode divides by FtsZ-based, non-synchronous invagination of its poles-that is, the host-attached and fimbriae-rich pole invaginates earlier than the distal one. We conclude that, in a naturally occurring animal symbiont, binary fission is host-oriented and does not require native FtsZ to polymerize into a ring at any septation stage.

• 出版日期2017-1