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Iodidimonas is a genus of bacteria that oxidizes iodide (I) to iodine (I₂). It was isolated from iodide-rich brine associated with natural gas in Kujukuri, Japan.

Geiger et alii (2023) suggest that Iodidimonas may be the closest living relative of mitochondria. If true, this lineage and protomitochondria emerged from a common ancestor before the symbiogenetic event that gave rise to the eukaryotes.

References

1. ^ Iino T, Ohkuma M, Kamagata Y, Amachi S (2016). "Iodidimonas muriae gen. nov., sp. nov., an aerobic iodide-oxidizing bacterium isolated from brine of a natural gas and iodine recovery facility, and proposals of Iodidimonadaceae fam. nov., Iodidimonadales ord. nov., Emcibacteraceae fam. nov. and Emcibacterales ord. nov". Int J Syst Evol Microbiol. 66 (12): 5016–22. doi:10.1099/ijsem.0.001462. PMID 27566239.
2. Euzéby JP, Parte AC. "Iodidimonas". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 7, 2021.
3. Amachi, Seigo; Iino, Takao (2022). "The Genus Iodidimonas: From Its Discovery to Potential Applications". Microorganisms. 10 (8): 1661. doi:10.3390/microorganisms10081661. PMC 9415286. PMID 36014078. Esposti et al. thus hypothesized that Iodidimonas species may be a descendant of the ancestral bacteria that originated protomitochondria.
4. Geiger, Otto; Sanchez-Flores, Alejandro; Padilla-Gomez, Jonathan; degli Esposti, Mauro (2023). "Multiple approaches of cellular metabolism define the bacterial ancestry of mitochondria". Science Advances. 9 (32). doi:10.1126/sciadv.adh0066. PMC 10411912.
5. Eisenstadt, Abigail. "Marine Bacteria Genus May Hold Mitochondria's Closest Relatives". American Association for the Advancement of Science. Retrieved 28 July 2024.

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