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Research progress in the role of hydroxylamine in the nitrogen cycle and its impact on N2O emissions
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Tuohong LIU, Yuran YANG, Yuanyuan YANG, Zhenlun LI, Yi CHEN
Acta Microbiologica Sinica | 2025, 65(7) : 2841 - 2853
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Acta Microbiologica Sinica | 2025, 65(7): 2841-2853
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Research progress in the role of hydroxylamine in the nitrogen cycle and its impact on N2O emissions
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Tuohong LIU, Yuran YANG, Yuanyuan YANG, Zhenlun LI, Yi CHEN
Affiliations
  • Chongqing Key Laboratory of Interface Process and Soil Health, College of Resources and Environment, Southwest University, Chongqing, China
Published: 2025-07-04 doi: 10.13343/j.cnki.wsxb.20240858
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Hydroxylamine, as an important intermediate product in the nitrogen cycle, connects ammonia oxidation and nitrite oxidation, influencing the velocities and directions of processes like ammonia oxidation, nitrite oxidation, and denitrification. Because of the close associations with the generation of N2O through enzymatic reactions and self-decomposition or reactions with other substances, hydroxylamine has become a focus and hotspot of research. This paper summarized the generation and transformation of hydroxylamine in autotrophic and heterotrophic ammonia oxidation, the key role of hydroxylamine in the nitrogen cycle, and the promoting effect of hydroxylamine on N2O emissions. It analyzed the processes of autotrophic and heterotrophic ammonia oxidation and their enzymatic differences, aiming to provide a theoretical reference for in-depth research on the role of hydroxylamine in the microbial nitrogen cycle and for the research and development of measures to reduce N2O emissions and protect the atmospheric environment.

hydroxylamine  /  enzymology  /  nitrogen cycle  /  nitrous oxide
Tuohong LIU, Yuran YANG, Yuanyuan YANG, Zhenlun LI, Yi CHEN. Research progress in the role of hydroxylamine in the nitrogen cycle and its impact on N2O emissions[J]. Acta Microbiologica Sinica, 2025 , 65 (7) : 2841 -2853 . DOI: 10.13343/j.cnki.wsxb.20240858
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  • National Natural Science Foundation of China(42077217)
Appendix
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Year 2025 volume 65 Issue 7
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Article Info
doi: 10.13343/j.cnki.wsxb.20240858
  • Receive Date：2024-12-31
  • Online Date：2026-02-06
  • Published：2025-07-04
Article Data
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History
  • Received：2024-12-31
  • Accepted：2025-03-11
Funding
National Natural Science Foundation of China(42077217)
Affiliations
    Chongqing Key Laboratory of Interface Process and Soil Health, College of Resources and Environment, Southwest University, Chongqing, China

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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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