T. den Blaauwen
- Asynchronous division by non-ring FtsZ in the gammaproteobacterial symbiont of Robbea hypermnestra
- Nature Microbiology
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- Faculty of Science (FNWI)
- Swammerdam Institute for Life Sciences (SILS)
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.
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- With supplementary information. - The Rhs ftsZ open reading frame has been deposited in GenBank under accession no. KU847423 (BankIt1897148).
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