Magnetococcus marinus

Magnetococcus marinus
Scientific classification
Domain: Bacteria
Phylum: Proteobacteria
Class: Alphaproteobacteria
Subclass: Magnetococcidae
Order: Magnetococcales
Family: Magnetococcaceae
Genus: Magnetococcus

Magnetococcus marinus is a species of Alphaproteobacteria that has the peculiar ability to form a structure called a magnetosome, a membrane encased single-magnetic-domain mineral crystals formed by biomineralisation, which allows the cells to orientate along the Earth’s geomagnetic field.[1]

It is a basal group in the Alphaproteobacteria.

Phylogeny of Rickettsiales

Magnetococcidae

Magnetococcales

Magnetococcaceae

Magnetococcus marinus





Caulobacteridae


Rhodospirillales, Sphingomonadales, Rhodobacteraceae, Rhizobiales, etc.



Holosporales



Rickettsidae

Pelagibacterales

Pelagibacteraceae


Pelagibacter




subgroups Ib, II, IIIa, IIIb, IV and V





Proto-mitochondria



Anaplasmataceae




Ehrlichia



Anaplasma




Wolbachia




Neorickettsia




Midichloriaceae


Midichloria



Rickettsiaceae


Rickettsia








Robust 16S + 23S phylogeny of Rickettsidae from Ferla et al. (2013)[2]

References

  1. Bazylinski, D. A.; Williams, T. J.; Lefevre, C. T.; Berg, R. J.; Zhang, C. L.; Bowser, S. S.; Dean, A. J.; Beveridge, T. J. (2012). "Magnetococcus marinus gen. nov., sp. nov., a marine, magnetotactic bacterium that represents a novel lineage (Magnetococcaceae fam. Nov., Magnetococcales ord. Nov.) at the base of the Alphaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 63: 801. PMID 22581902. doi:10.1099/ijs.0.038927-0.
  2. Ferla, M. P.; Thrash, J. C.; Giovannoni, S. J.; Patrick, W. M. (2013). "New rRNA gene-based phylogenies of the Alphaproteobacteria provide perspective on major groups, mitochondrial ancestry and phylogenetic instability". PLoS ONE. 8 (12): e83383. PMC 3859672Freely accessible. PMID 24349502. doi:10.1371/journal.pone.0083383.
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