ArticleApplied and environmental microbiology2007
Isolation of key methanogens for global methane emission from rice paddy fields: a novel isolate affiliated with the clone cluster rice cluster I.
Article in Applied and environmental microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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39 citing papers in PubMed.
- Diversity of electron-bifurcating COScience advances · 2026Article
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- Lithosyntrophy: Obligate syntrophy in a phosphite-oxidizing, methanogenic culture.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
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- Isolation and physiological properties of methanogenic archaea that degrade tetramethylammonium hydroxide.Applied microbiology and biotechnology · 2023Article
- Response of methanogenic community and their activity to temperature rise in alpine swamp meadow at different water level of the permafrost wetland on Qinghai-Tibet Plateau.Frontiers in microbiology · 2023Article
- The Historical Development of Cultivation Techniques for Methanogens and Other Strict Anaerobes and Their Application in Modern Microbiology.Microorganisms · 2022Review
- Codh/Acs-Deficient Methanogens Are Prevalent in Anaerobic Digesters.Microorganisms · 2021Article
- Diversity and Distribution of Methanogenic Community Between Two Typical Alpine Ecosystems on the Qinghai-Tibetan Plateau.Current microbiology · 2020Article
- Archaea, tiny helpers of land plants.Computational and structural biotechnology journal · 2020Review
- An evolving view of methane metabolism in the Archaea.Nature reviews. Microbiology · 2019Review
- Study of methanogenic enrichment cultures of rock cores from the deep subsurface of the Iberian Pyritic Belt.Heliyon · 2018Article
- Concerted Metabolic Shifts Give New Insights Into the Syntrophic Mechanism Between Propionate-FermentingFrontiers in microbiology · 2018Article
- Adaptive Evolution of Extreme Acidophile Sulfobacillus thermosulfidooxidans Potentially Driven by Horizontal Gene Transfer and Gene Loss.Applied and environmental microbiology · 2017Article
- Archaeal communities associated with roots of the common reed (Phragmites australis) in Beijing Cuihu Wetland.World journal of microbiology & biotechnology · 2015Article
- Insights into the metabolism, lifestyle and putative evolutionary history of the novel archaeal phylum 'Diapherotrites'.The ISME journal · 2015Article
- Response of a rice paddy soil methanogen to syntrophic growth as revealed by transcriptional analyses.Applied and environmental microbiology · 2014Article
- Low nitrogen fertilization adapts rice root microbiome to low nutrient environment by changing biogeochemical functions.Microbes and environments · 2014Article
- Novel PCR primers for the archaeal phylum Thaumarchaeota designed based on the comparative analysis of 16S rRNA gene sequences.PloS one · 2014Article
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6 authors.
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Abstract
Despite the fact that rice paddy fields (RPFs) are contributing 10 to 25% of global methane emissions, the organisms responsible for methane production in RPFs have remained uncultivated and thus uncharacterized. Here we report the isolation of a methanogen (strain SANAE) belonging to an abundant and ubiquitous group of methanogens called rice cluster I (RC-I) previously identified as an ecologically important microbial component via culture-independent analyses. To enrich the RC-I methanogens from rice paddy samples, we attempted to mimic the in situ conditions of RC-I on the basis of the idea that methanogens in such ecosystems should thrive by receiving low concentrations of substrate (H(2)) continuously provided by heterotrophic H(2)-producing bacteria. For this purpose, we developed a coculture method using an indirect substrate (propionate) in defined medium and a propionate-oxidizing, H(2)-producing syntroph, Syntrophobacter fumaroxidans, as the H(2) supplier. By doing so, we significantly enriched the RC-I methanogens and eventually obtained a methanogen within the RC-I group in pure culture. This is the first report on the isolation of a methanogen within RC-I.
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