Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen
Reducing methane emission from ruminants has important economic value and ecological significance. Anaerobic methane oxidation (AMO) is an important way to reduce methane emissions in different ecosystems, including wetlands, marine habitats and lakes. According to different electron acceptors, AMO...
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Zhejiang University Press
2020-10-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2020.01.171 |
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| author | XU Xinxin WANG Jiakun |
| author_facet | XU Xinxin WANG Jiakun |
| author_sort | XU Xinxin |
| collection | DOAJ |
| description | Reducing methane emission from ruminants has important economic value and ecological significance. Anaerobic methane oxidation (AMO) is an important way to reduce methane emissions in different ecosystems, including wetlands, marine habitats and lakes. According to different electron acceptors, AMO can be divided into sulfate-dependent anaerobic methane oxidation (S-DAMO), nitrate/nitrite-dependent anaerobic methane oxidation (N-DAMO) and metal-dependent anaerobic methane oxidation (M-DAMO). Feeding nitrate and sulfate to ruminants also has methane-lowering effects; however, this process has always been thought to be the result of <inline-formula><alternatives><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mi mathvariant="normal">N</mml:mi><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn mathvariant="normal">3</mml:mn></mml:mrow><mml:mrow><mml:mo>－</mml:mo></mml:mrow></mml:msubsup></mml:math><inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/C7C4F127-CB9C-4b0f-9443-E120E6537AB9-M003.jpg"/></alternatives></inline-formula> or <inline-formula><alternatives><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mml:mi mathvariant="normal">S</mml:mi><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn mathvariant="normal">4</mml:mn></mml:mrow><mml:mrow><mml:mn mathvariant="normal">2</mml:mn><mml:mo>－</mml:mo></mml:mrow></mml:msubsup></mml:math><inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/C7C4F127-CB9C-4b0f-9443-E120E6537AB9-M004.jpg"/></alternatives></inline-formula> competition for hydrogen as the electron acceptor. The thermodynamic reactions of N-DAMO and S-DAMO are superior to nitrate reduction reaction and sulfate reduction reaction, and if AMO can proceed in rumen, it will be of great significance to improve environment and feed utilization efficiency. Therefore, based on the description of the type of AMO, mechanisms of AMO and microorganisms involved, this paper compared the differences of nitrate and sulfate reducing methane production in the natural habitat and rumen, and found that AMO may occur in the rumen, which may be one of the reasons for the reduction of methane production in the rumen by nitrate and sulfate. |
| format | Article |
| id | doaj-art-e3f5f5bc426541eb8d7972400dc15931 |
| institution | Kabale University |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2020-10-01 |
| publisher | Zhejiang University Press |
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| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-e3f5f5bc426541eb8d7972400dc159312025-08-20T03:58:14ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552020-10-014651952810.3785/j.issn.1008-9209.2020.01.17110089209Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumenXU XinxinWANG JiakunReducing methane emission from ruminants has important economic value and ecological significance. Anaerobic methane oxidation (AMO) is an important way to reduce methane emissions in different ecosystems, including wetlands, marine habitats and lakes. According to different electron acceptors, AMO can be divided into sulfate-dependent anaerobic methane oxidation (S-DAMO), nitrate/nitrite-dependent anaerobic methane oxidation (N-DAMO) and metal-dependent anaerobic methane oxidation (M-DAMO). Feeding nitrate and sulfate to ruminants also has methane-lowering effects; however, this process has always been thought to be the result of <inline-formula><alternatives><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mi mathvariant="normal">N</mml:mi><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn mathvariant="normal">3</mml:mn></mml:mrow><mml:mrow><mml:mo>－</mml:mo></mml:mrow></mml:msubsup></mml:math><inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/C7C4F127-CB9C-4b0f-9443-E120E6537AB9-M003.jpg"/></alternatives></inline-formula> or <inline-formula><alternatives><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mml:mi mathvariant="normal">S</mml:mi><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn mathvariant="normal">4</mml:mn></mml:mrow><mml:mrow><mml:mn mathvariant="normal">2</mml:mn><mml:mo>－</mml:mo></mml:mrow></mml:msubsup></mml:math><inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/C7C4F127-CB9C-4b0f-9443-E120E6537AB9-M004.jpg"/></alternatives></inline-formula> competition for hydrogen as the electron acceptor. The thermodynamic reactions of N-DAMO and S-DAMO are superior to nitrate reduction reaction and sulfate reduction reaction, and if AMO can proceed in rumen, it will be of great significance to improve environment and feed utilization efficiency. Therefore, based on the description of the type of AMO, mechanisms of AMO and microorganisms involved, this paper compared the differences of nitrate and sulfate reducing methane production in the natural habitat and rumen, and found that AMO may occur in the rumen, which may be one of the reasons for the reduction of methane production in the rumen by nitrate and sulfate.https://www.academax.com/doi/10.3785/j.issn.1008-9209.2020.01.171rumenmethanogenesisanaerobic methane oxidationcoupling |
| spellingShingle | XU Xinxin WANG Jiakun Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen 浙江大学学报. 农业与生命科学版 rumen methanogenesis anaerobic methane oxidation coupling |
| title | Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| title_full | Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| title_fullStr | Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| title_full_unstemmed | Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| title_short | Research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| title_sort | research progress on coupling of methanogenesis and anaerobic methane oxidation in the rumen |
| topic | rumen methanogenesis anaerobic methane oxidation coupling |
| url | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2020.01.171 |
| work_keys_str_mv | AT xuxinxin researchprogressoncouplingofmethanogenesisandanaerobicmethaneoxidationintherumen AT wangjiakun researchprogressoncouplingofmethanogenesisandanaerobicmethaneoxidationintherumen |