Evidence for Assimilatory Nitrate Reduction as a Previously Overlooked Pathway of Reactive Nitrogen Transformation in Estuarine Suspended Particulate Matter

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成果类型：

期刊论文

作者：

Hu, Ruiwen;Liu, Songfeng;Huang, Weiming;Nan, Qiong;Strong, P. J.;...

通讯作者：

Wang, Cheng(wangcheng5@mail.sysu.edu.cn)

作者机构：

[Huang, Weiming; Hu, Ruiwen; Liu, Songfeng; Yan, Qingyun; Zhou, Zhengyuan; Luo, Zhiwen; Wang, Cheng; Shu, Fangqi; He, Zhili] Sun Yat Sen Univ, Environm Microbi Res Ctr, Sch Environm Sci & arine Sci, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Guangzhou 510006, Peoples R China.

[Nan, Qiong] Max Planck Inst Marine Microbiol, D-28359 Bremen, Germany.

[Nan, Qiong] Zhejiang Univ, Inst Environm Sci & Technol, Coll Environm & Resource Sci, Hangzhou 310029, Peoples R China.

[Strong, P. J.] Queensland Univ Technol, Ctr Agr & Bioecon, Sch Biol & Environm Sci, Brisbane, Qld 4001, Australia.

[Saleem, Muhammad] Alabama State Univ, Dept Biol Sci, Montgomery, AL 36104 USA.

通讯机构：

[Cheng Wang] E

Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou510006, China

语种：

英文

关键词：

suspended particulate matter;dissimilatory nitrate reduction to ammonium;assimilatory nitrate reduction;metagenomics;metatranscriptomics;stable isotope tracer

期刊：

Environmental Science & Technology

ISSN：

0013-936X

年：

2022

卷：

期：

页码：

14852-14866

DOI：

10.1021/acs.est.2c04390

基金类别：

This study was financially supported by the National Natural Science Foundation of China (32000070 and 52070196), the Guangdong Basic and Applied Basic Research Foundation (2019A1515011406), the Guangzhou Science and Technology Plan Projects (202002030454), the Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (311021006), and the Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (SML2020SP0004).

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本校为其他机构

院系归属：

农学院

摘要：

Suspended particulate matter (SPM) contributes to the loss of reactive nitrogen (Nr) in estuarine ecosystems. Although denitrification and anaerobic ammonium oxidation in SPM compensate for the current imbalance of global nitrogen (N) inputs and sinks, it is largely unclear whether other pathways for Nr transformation exist in SPM. Here, we combined stable isotope measurements with metagenomics and metatranscriptomics to verify the occurrence of dissimilatory nitrate reduction to ammonium (DNRA) in the SPM of the Pearl River Estuary (PRE). Surp...

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Evidence for Assimilatory Nitrate Reduction as a Previously Overlooked Pathway of Reactive Nitrogen Transformation in Estuarine Suspended Particulate Matter

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