Abstract
ABSTRACTMethylovulum psychrotolerans Sph1T is an aerobic, obligate methanotroph, which was isolated from cold methane seeps in West Siberia. This bacterium possesses only a particulate methane monooxygenase and is widely distributed in low-temperature environments. Strain Sph1T has the genomic potential for biosynthesis of hopanoids required for the maintenance of intracytoplasmic membranes.
Highlights
Methylovulum psychrotolerans Sph1T is an aerobic, obligate methanotroph, which was isolated from cold methane seeps in West Siberia
The average nucleotide identity between the genomes of M. psychrotolerans Sph1T and another described member of this genus, M. miyakonense HT12T [7], is only 79%, which confirms their classification as two different species
The genome includes all genes required for glycogen biosynthesis [10] and nitrogen metabolism, including genes for nitrate/nitrite reduction, ammonium and urea uptake and assimilation, as well as key genes for nitrogen fixation
Summary
Methylovulum psychrotolerans Sph1T is an aerobic, obligate methanotroph, which was isolated from cold methane seeps in West Siberia. The average nucleotide identity between the genomes of M. psychrotolerans Sph1T and another described member of this genus, M. miyakonense HT12T [7], is only 79%, which confirms their classification as two different species. The genome of M. psychrotolerans Sph1T contains a single pmoCAB operon for particulate methane monooxygenase (MMO).
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