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Comammox bacteria and ammonia oxidizing archaea are major drivers of nitrification in glacier forelands

文献类型: 外文期刊

作者: Yu, Hanxia 1 ; Shen, Jupei 1 ; Zeng, Jun 3 ; Hu, Hang-Wei 4 ; Pendall, Elise 2 ; Xiao, Haoyan 1 ; Liu, Zikai 1 ; Zhang, Hui 5 ; Di, Hong J. 6 ; Li, Zhongqin 7 ; He, Ji-Zheng 1 ;

作者机构: 1.Fujian Normal Univ, Sch Geog Sci, Sch Carbon Neutral Future Technol, Key Lab Humid Subtrop Ecogeog Proc,Minist Educ, Fuzhou 350007, Peoples R China

2.Western Sydney Univ, Hawkesbury Inst Environm, Locked Bag 1797, Penrith, NSW 2751, Australia

3.Xinjiang Acad Agr Sci, Inst Appl Microbiol, Urumqi 830091, Peoples R China

4.Univ Melbourne, Fac Vet & Agr Sci, Sch Agr & Food, Melbourne, Vic 3010, Australia

5.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Altai Observat & Res Stn Cryospher Sci & Sustaina, Lanzhou 730000, Peoples R China

6.Lincoln Univ, Ctr Soil & Environm Res, Christchurch 7647, New Zealand

7.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Tianshan Glaciol Stn, Lanzhou 730000, Peoples R China

关键词: Chronosequence; Comammox bacteria; Glacier retreating; Nitrification; Gene abundance

期刊名称:GEODERMA ( 影响因子:6.1; 五年影响因子:7.0 )

ISSN: 0016-7061

年卷期: 2023 年 440 卷

页码:

收录情况: SCI

摘要: This study investigated the abundance of comammox bacteria and canonical ammonia-oxidizing bacteria (AOB) and archaea (AOA), and their relative contribution to nitrification along a chronosequence of deglaciated forelands. The results showed that nitrification related gene abundance tended to increase with glacier retreat, with comammox bacteria and AOA appearing to be the most critical drivers for soil nitrification rates. These findings provide new evidence for the presence of comammox bacteria in glacier forelands and enhance our understanding of the niche differentiation of canonical nitrifier and comammox bacteria.

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