期刊
ARCHIVES OF MICROBIOLOGY
卷 198, 期 1, 页码 17-26出版社
SPRINGER
DOI: 10.1007/s00203-015-1160-x
关键词
Dimethylsulfide; Isolation; Methanol; Methylotrophy; Rhizosphere; Soil
类别
资金
- UK Natural Environment Research Council [NE/E013333/1]
- School of Life Sciences, University of Warwick, UK
- Natural Environment Research Council [NE/E013333/1] Funding Source: researchfish
- NERC [NE/E013333/1] Funding Source: UKRI
One-carbon compounds such as methanol, dimethylsulfide (DMS) and dimethylsulfoxide (DMSO) are significant intermediates in biogeochemical cycles. They are suggested to affect atmospheric chemistry and global climate. Methylotrophic microorganisms are considered as a significant sink for these compounds; therefore, we analyzed the diversity of terrestrial bacteria that utilize methanol, DMS and DMSO as carbon and energy source using culture-dependent and culture-independent methods. The effect of habitat type on the methylotrophic community structure was also investigated in rhizosphere and bulk soil. While thirteen strains affiliated to the genera Hyphomicrobium, Methylobacterium, Pseudomonas, Hydrogenophaga, Rhodococcus, Flavobacterium and Variovorax were isolated, denaturing gradient gel electrophoresis revealed the dominance of Thiobacillus, Rhodococcus, Flavobacterium and Bacteroidetes species. Furthermore, methylotrophic communities that degrade methanol or DMS are not shaped by terrestrial habitat type. Rhizosphere and soil samples showed dominance of Methylophilus spp. and Methylovorus spp. for methanol enrichments; Cytophaga spp., Pseudomonas tremae and Thiobacillus thioparus for DMS enrichments.
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