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A keystone microbial enzyme for nitrogen control of soil carbon storage
Chen, Ji1,2,3,4; Luo, Yiqi5,6,7; van Groenigen, Kees Jan8; Hungate, Bruce A.6,7; Cao, Junji2,3,9; Zhou, Xuhui10,11; Wang, Rui-wu1
Source PublicationSCIENCE ADVANCES
AbstractAgricultural and industrial activities have increased atmospheric nitrogen (N) deposition to ecosystems worldwide. N deposition can stimulate plant growth and soil carbon (C) input, enhancing soil C storage. Changes in microbial decomposition could also influence soil C storage, yet this influence has been difficult to discern, partly because of the variable effects of added N on the microbial enzymes involved. We show, using meta-analysis, that added N reduced the activity of lignin-modifying enzymes (LMEs), and that this N-induced enzyme suppression was associated with increases in soil C. In contrast, N-induced changes in cellulase activity were unrelated to changes in soil C. Moreover, the effects of added soil N on LME activity accounted for more of the variation in responses of soil C than a wide range of other environmental and experimental factors. Our results suggest that, through responses of a single enzyme system to added N, soil microorganisms drive long-term changes in soil C accumulation. Incorporating this microbial influence on ecosystem biogeochemistry into Earth system models could improve predictions of ecosystem C dynamics.
WOS HeadingsScience & Technology
Indexed BySCI
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000443498100009
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Northwestern Polytech Univ, Key Lab Space Biosci & Biotechnol, Ctr Ecol & Environm Sci, Xian 710072, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Shaanxi, Peoples R China
4.Aarhus Univ, Ctr Circular Bioecon, Dept Agroecol, Blichers Alle 20, DK-8830 Tjele, Denmark
5.Tsinghua Univ, Dept Earth Syst Sci, Beijing 100084, Peoples R China
6.No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA
7.No Arizona Univ, Dept Biol Sci, Box 5640, Flagstaff, AZ 86011 USA
8.Univ Exeter, Coll Life & Environm Sci, Dept Geog, Exeter EX4 4QG, Devon, England
9.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Shaanxi, Peoples R China
10.East China Normal Univ, Sch Ecol & Environm Sci, Ctr Global Change & Ecol Forecasting, Tiantong Natl Field Observat,Stn Forest Ecosyst, Shanghai 200062, Peoples R China
11.Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200437, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ji,Luo, Yiqi,van Groenigen, Kees Jan,et al. A keystone microbial enzyme for nitrogen control of soil carbon storage[J]. SCIENCE ADVANCES,2018,4(8).
APA Chen, Ji.,Luo, Yiqi.,van Groenigen, Kees Jan.,Hungate, Bruce A..,Cao, Junji.,...&Wang, Rui-wu.(2018).A keystone microbial enzyme for nitrogen control of soil carbon storage.SCIENCE ADVANCES,4(8).
MLA Chen, Ji,et al."A keystone microbial enzyme for nitrogen control of soil carbon storage".SCIENCE ADVANCES 4.8(2018).
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