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

Hanxia Yu,Jupei Shen,Jun Zeng,Hang-Wei Hu,Elise Pendall,Haoyan Xiao,Zikai Liu,Hui Zhang,Hong J Di,Zhongqin Li,Ji-Zheng He

doi:10.1016/j.geoderma.2023.116711

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

Hanxia Yu, Jupei Shen + Show 9 more

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https://doi.org/10.1016/j.geoderma.2023.116711

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Journal: Geoderma	Publication Date: Nov 16, 2023
Citations: 1	License type: cc-by

Affiliation: Fujian Normal University, Xinjiang Academy of Agricultural Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Western Sydney University, University of Melbourne, Agriculture and Food, Lincoln University

#Ammonia-oxidizing Bacteria ) And Archaea #Ammonia Oxidizing Archaea + Show 8 more

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Abstract

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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