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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제4호
- 발행연도
- 2015.1
- 수록면
- 423 - 430 (8page)
이용수
초록· 키워드
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Aerobic CH4 oxidation is an important CH4 sink in landfills. To investigate the distribution and community diversity of methanotrophs and link with soil characteristics and operational parameters (e.g., concentrations of O2, CH4), cover soil samples were collected at different locations and depths from the Mengzi semi-aerobic landfill (SAL) in Yunnan Province of southern China. Specific PCR followed by denaturing gradient gel electrophoresis and realtime PCR were used to examine methanotrophs in the landfill cover soils. The results showed that different locations did harbor distinct methanotroph communities. Methanotrophs were more abundant in areas near the venting pipes because of the higher O2 concentrations. The depth of 20-25 cm, where the ratio of the CH4 to O2 was within the range from 1.3 to 8.6, was more conducive to the growth of CH4-oxidizing bacteria. Type II methanotrophs dominated in all samples compared with Type I methanotrophs, as evidenced by the high ratio of Type II to Type I methanotrophic copy numbers (from 1.76 to 11.60). The total copy numbers of methanotrophs detected were similar to other ecosystems, although the CH4 concentration was much higher in SAL cover soil. Methylobacter and Methylocystis were the most abundant Type I and Type II methanotrophs genera, respectively, in the Mengzi SAL. The results suggested that SALs could provide a special environment with both high concentrations of CH4 and O2 for methanotrophs, especially around the vertical venting pipes.
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등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
Alguacil FJ / 2012 / The removal of chromium (III) from aqueous solution by ion exchange on Amberlite 200 resin: batch and continuous ion exchange modelling / Desalin. Water
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Bogner JE / 1997 / Kinetics of methane oxidation in a landfill cover soil: temporal variations, a whole landfill oxidation experiment, and modeling of net CH4 emissions / Env
Borjesson G / 1998 / Microbial oxidation of CH4 at high partial pressures in an organic landfill cover soil under different moisture regimes / FEMS Microbiol. Ecol 26 : 207 ~
Aymerich T / 2005 / Microbial quality and direct PCR identification of lactic acid bacteria and nonpathogenic staphylococci from artisanal low-acid sausages (vol 69, pg 4583,
Bogner J / 1995 / Landfills as atmospheric methane sources and sinks / Chemosphere 31 : 4119 ~ 4130
Bogner JE / 1997 / Kinetics of methane oxidation in a landfill cover soil: temporal variations, a whole landfill oxidation experiment, and modeling of net CH4 emissions / Env
Borjesson G / 1998 / Microbial oxidation of CH4 at high partial pressures in an organic landfill cover soil under different moisture regimes / FEMS Microbiol. Ecol 26 : 207 ~
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