Genome Characteristics of a Novel Type I Methanotroph (Sn10-6) Isolated from a Flooded Indian Rice Field

Flooded rice fields are important sources of atmospheric methane. Aerobic methanotrophs living in the vicinity of rice roots oxidize methane and act as environmental filters. Here, we present genome characteristics of a gammaproteobacterial methanotroph, isolate Sn10-6, which was isolated from a ric...

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Bibliographic Details
Published in:Microbial ecology 2016-04, Vol.71 (3), p.519-523
Main Authors: Rahalkar, Monali C., Pandit, Pranitha S., Dhakephalkar, Prashant K., Pore, Soham, Arora, Preeti, Kapse, Neelam
Format: Article
Language:English
Subjects:
Bacterial Proteins - genetics
Bacterial Proteins - metabolism
Biomedical and Life Sciences
Ecology
Floods
Genome, Bacterial
Geoecology/Natural Processes
India
Life Sciences
Methane
Methane - metabolism
Methylococcaceae
Methylococcaceae - classification
Methylococcaceae - genetics
Methylococcaceae - isolation & purification
Methylococcaceae - metabolism
Microbial Ecology
Microbiology
Nature Conservation
Nitrogen fixation
Nitrous oxide
NOTES AND SHORT COMMUNICATIONS
Oryza - growth & development
Oryza - microbiology
Phylogeny
Plant Roots - growth & development
Plant Roots - microbiology
Rhizosphere
Rice fields
Soil Microbiology
Water Quality/Water Pollution
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Summary:Flooded rice fields are important sources of atmospheric methane. Aerobic methanotrophs living in the vicinity of rice roots oxidize methane and act as environmental filters. Here, we present genome characteristics of a gammaproteobacterial methanotroph, isolate Sn10-6, which was isolated from a rice rhizosphere of a flooded field in India. Sn10-6 has been identified as a member of a putative novel genus and species within the family Methylococcaceae (Type I methanotrophs). The draft genome of Sn10-6 showed pathways for the following: methane oxidation, formaldehyde assimilation (RuMP), nitrogen fixation, conversion of nitrite to nitrous oxide, and other interesting genes including the ones responsible for survival in the rhizosphere environment. The majority of genes found in this genome were most similar to Methylovulum miyakonese which is a forest isolate. This draft genome provided insight into the physiology, ecology, and phylogeny of this gammaproteobacterial methanotroph.
ISSN:0095-3628
1432-184X
DOI:10.1007/s00248-015-0699-z