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001        FI15052502_00001
005        20171020124939.0
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245 00 |a Discovery of a novel methanogen prevalent in thawing permafrost |h [electronic resource].
260        |a [S.l.] : |b Macmillan Publishers Limited, |c 2014.
490        |a Nature Communications.
506        |a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights.
520 3    |a Thawing permafrost promotes microbial degradation of cryo-sequestered and new carbon leading to the biogenic production of methane, creating a positive feedback to climate change. Here we determine microbial community composition along a permafrost thaw gradient in northern Sweden. Partially thawed sites were frequently dominated by a single archaeal phylotype, Candidatus ‘Methanoflorens stordalenmirensis’ gen. nov. sp. nov., belonging to the uncultivated lineage ‘Rice Cluster II’ (Candidatus ‘Methanoflorentaceae’ fam. nov.). Metagenomic sequencing led to the recovery of its near-complete genome, revealing the genes necessary for hydrogenotrophic methanogenesis. These genes are highly expressed and methane carbon isotope data are consistent with hydrogenotrophic production of methane in the partially thawed site. In addition to permafrost wetlands, ‘Methanoflorentaceae’ are widespread in high methane-flux habitats suggesting that this lineage is both prevalent and a major contributor to global methane production. In thawing permafrost, Candidatus ‘M. stordalenmirensis’ appears to be a key mediator of methane-based positive feedback to climate warming.
533        |a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software.
650        |a climate change.
650        |a permafrost.
650        |a methane.
651        |a Sweden.
700        |a Rhiannon Mondav.
700        |a Ben J. Woodcroft.
700        |a Eun-Hae Kim.
700        |a Carmody K. McCalley.
700        |a Suzanne B. Hodgkins.
700        |a Patrick M. Crill.
700        |a Jeffrey Chanton.
700        |a Gregory B. Hurst.
700        |a Nathan C. VerBerkmoes.
700        |a Scott R. Saleska.
700        |a Philip Hugenholtz.
830    0 |a dpSobek.
830    0 |a Sea Level Rise.
852        |a dpSobek |c Sea Level Rise
856 40 |u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15052502/00001 |y Click here for full text
992 04 |a http://dpanther.fiu.edu/sobek/content/FI/15/05/25/02/00001/FI15052502_thm.jpg
997        |a Sea Level Rise


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