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StatusReference proteome
Proteome IDiUP000007058
Taxonomy342108 - Magnetospirillum magneticum (strain AMB-1 / ATCC 700264)
StrainAMB-1 / ATCC 700264
Last modifiedFebruary 27, 2018
Genome assembly and annotationi GCA_000009985.1 from ENA/EMBL

Magnetospirillum magneticum AMB-1 is a Gram-negative, magnetotactic, facultative anaerobic bacterium. Respiratory nitrate reduction allows the oxidation of a substrate under anaerobic conditions. The terminal electron acceptor may be Fe(III) via membrane-bound ferric reductase. Like other magnetotactic bacteria, Magnetospirillum magneticum AMB-1 was found to form internal crystals of magnetite (Fe3O4) that are surrounded by a membrane (magnetosome). The uniform size and distribution of the crystals indicates extreme biological control of the mineralization process. The bacterium uses the iron mineral as a magnet to orient itself and exhibits magnetotaxis to follow magnetic field lines downward towards regions of favourable growth. Usually found near the oxic-anoxic transition zone, which is usually located at the sediment-water interface in freshwater environments or displaced upward into the water column in marine semi-anaerobic environments.


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  1. "Complete genome sequence of the facultative anaerobic magnetotactic bacterium Magnetospirillum sp. strain AMB-1."
    Matsunaga T., Okamura Y., Fukuda Y., Wahyudi A.T., Murase Y., Takeyama H.
    DNA Res. 2005:157-166(2005) [PubMed] [Europe PMC] [Abstract]

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