Biology:Uabimicrobium amorphum

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Short description: Species of bacterium

"Candidatus" Uabimicrobium amorphum
Transmission electron micrograph of Uabimicrobium amorphum
Scientific classification e
Missing taxonomy template (fix): Uabimicrobium
Species:
Ca. Uabimicrobium amorphum
Binomial name
Candidatus Uabimicrobium amorphum
(Shiratori et al. 2019) Oren & Garrity 2021
Synonyms

Ca. Uab amorphum Shiratori et al. 2019

Uabimicrobium amorphum eating a bacterium (arrow heads)

Candidatus Uabimicrobium amorphum is a species of free-living aquatic Gram-negative bacteria discovered from the Republic of Palau. Collected in 2015 and described in 2019,[1] it is the first known bacteria that can eat other microbes by the process called phagocytosis.[2] Although there are several predatory bacteria that attack and kill other bacteria, this bacterium can engulf, ingest (the process called endocytosis) and digest whole bacteria. The ability to perform endocytosis in the bacterium gives the picture of primary symbiogenesis that led to the formation of eukaryotic cells.[3]

References

  1. Shiratori, Takashi; Suzuki, Shigekatsu; Kakizawa, Yukako; Ishida, Ken-ichiro (2019-12-11). "Phagocytosis-like cell engulfment by a planctomycete bacterium" (in en). Nature Communications 10 (1): 5529. doi:10.1038/s41467-019-13499-2. PMID 31827088. PMC 6906331. https://www.nature.com/articles/s41467-019-13499-2. 
  2. Odelgard, Anna; Hägglund, Emil; Guy, Lionel; Andersson, Siv G E (2024-04-02). "Phylogeny and Expansion of Serine/Threonine Kinases in Phagocytotic Bacteria in the Phylum Planctomycetota" (in en). Genome Biology and Evolution 16 (4). doi:10.1093/gbe/evae068. PMID 38547507. PMC 11032199. https://academic.oup.com/gbe/article/doi/10.1093/gbe/evae068/7637138. 
  3. Körner, Marco (2024-08-28). "Research team discovers 'impossible' unicellular organism" (in en). Phys.org. https://phys.org/news/2024-08-team-impossible-unicellular.html.