Abstract
Methanospirillum hungatei strain JF1 (DSM 864) is a methane-producing archaeon and is the type species of the genus Methanospirillum, which belongs to the family Methanospirillaceae within the order Methanomicrobiales. Its genome was selected for sequencing due to its ability to utilize hydrogen and carbon dioxide and/or formate as a sole source of energy. Ecologically, M. hungatei functions as the hydrogen- and/or formate-using partner with many species of syntrophic bacteria. Its morphology is distinct from other methanogens with the ability to form long chains of cells (up to 100 μm in length), which are enclosed within a sheath-like structure, and terminal cells with polar flagella. The genome of M. hungatei strain JF1 is the first completely sequenced genome of the family Methanospirillaceae, and it has a circular genome of 3,544,738 bp containing 3,239 protein coding and 68 RNA genes. The large genome of M. hungatei JF1 suggests the presence of unrecognized biochemical/physiological properties that likely extend to the other Methanospirillaceae and include the ability to form the unusual sheath-like structure and to successfully interact with syntrophic bacteria.Electronic supplementary materialThe online version of this article (doi:10.1186/s40793-015-0124-8) contains supplementary material, which is available to authorized users.
Highlights
Strain JF1 (DSM 864 = ATCC 2790D-5) [1] is the type species for M. hungatei and represents the first isolated member of the Methanospirillaceae within the order Methanomicrobiales [2]
The large genome of M. hungatei JF1 suggests the presence of unrecognized biochemical/physiological properties that likely extend to the other Methanospirillaceae and include the ability to form the unusual sheath-like structure and to successfully interact with syntrophic bacteria
We describe the genome sequence of M. hungatei strain JF1, a hydrogen- and formate-utilizing, methaneproducing archaean
Summary
Strain JF1 (DSM 864 = ATCC 2790D-5) [1] is the type species for M. hungatei and represents the first isolated member of the Methanospirillaceae within the order Methanomicrobiales [2]. We describe the genome sequence of M. hungatei strain JF1, a hydrogen- and formate-utilizing, methaneproducing archaean. Genome project history The M. hungatei strain JF1 genome was selected by DOE in 2004 as JGI sequencing project 364479 based on its phylogenetic position, its role in anaerobic decomposition of organic matter, and its ability to grow in co-culture with many syntrophic bacterial species [6].
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