globalchange  > 过去全球变化的重建
DOI: 10.1038/s41467-019-09790-x
WOS记录号: WOS:000465200000017
论文题名:
Low yield and abiotic origin of N2O formed by the complete nitrifier Nitrospira inopinata
作者: Kits, K. Dimitri1; Jung, Man-Young1; Vierheilig, Julia1,6,7; Pjevac, Petra1; Sedlacek, Christopher J.1; Liu, Shurong1,2; Herbold, Craig1; Stein, Lisa Y.3; Richter, Andreas2,4; Wissel, Holger5; Brueggemann, Nicolas5; Wagner, Michael1,2; Daims, Holger1,2
通讯作者: Wagner, Michael
刊名: NATURE COMMUNICATIONS
ISSN: 2041-1723
出版年: 2019
卷: 10
语种: 英语
WOS关键词: NITROUS-OXIDE PRODUCTION ; AMMONIA-OXIDIZING ARCHAEA ; NITROSOMONAS-EUROPAEA ; NITROSOSPHAERA-VIENNENSIS ; COMPLETE NITRIFICATION ; NITRITE OXIDATION ; KINETIC-ANALYSIS ; SITE PREFERENCE ; DENITRIFICATION ; REDUCTASE
WOS学科分类: Multidisciplinary Sciences
WOS研究方向: Science & Technology - Other Topics
英文摘要:

Nitrous oxide (N2O) and nitric oxide (NO) are atmospheric trace gases that contribute to climate change and affect stratospheric and ground-level ozone concentrations. Ammonia oxidizing bacteria (AOB) and archaea (AOA) are key players in the nitrogen cycle and major producers of N2O and NO globally. However, nothing is known about N2O and NO production by the recently discovered and widely distributed complete ammonia oxidizers (comammox). Here, we show that the comammox bacterium Nitrospira inopinata is sensitive to inhibition by an NO scavenger, cannot denitrify to N2O, and emits N2O at levels that are comparable to AOA but much lower than AOB. Furthermore, we demonstrate that N2O formed by N. inopinata formed under varying oxygen regimes originates from abiotic conversion of hydroxylamine. Our findings indicate that comammox microbes may produce less N2O during nitrification than AOB.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/136687
Appears in Collections:过去全球变化的重建

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作者单位: 1.Univ Vienna, Ctr Microbiol & Environm Syst Sci, Div Microbial Ecol, Althanstr 14, A-1090 Vienna, Austria
2.Univ Vienna, Comammox Res Platform, Althanstr 14, A-1090 Vienna, Austria
3.Univ Alberta, Dept Biol Sci, CW405 Biol Sci Bldg, Edmonton, AB T6G 2E9, Canada
4.Univ Vienna, Ctr Microbiol & Environm Syst Sci, Div Terr Ecosyst Res, Althanstr 14, A-1090 Vienna, Austria
5.Forschungszentrum Julich, Inst Bio & Geosci Agrosphere IBG 3, D-52425 Julich, Germany
6.Karl Landsteiner Univ Hlth Sci, Div Water Qual & Hlth, A-3500 Krems, Austria
7.Interuniv Cooperat Ctr Water & Hlth, A-3500 Krems, Austria

Recommended Citation:
Kits, K. Dimitri,Jung, Man-Young,Vierheilig, Julia,et al. Low yield and abiotic origin of N2O formed by the complete nitrifier Nitrospira inopinata[J]. NATURE COMMUNICATIONS,2019-01-01,10
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