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Periphytic biofilms function as a double‐edged sword influencing nitrogen cycling in paddy fields
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Sun, Pengfei, Chen, Yin, Liu, Junzhuo, Xu, Ying, Zhou, Lei and Wu, Yonghong (2022) Periphytic biofilms function as a double‐edged sword influencing nitrogen cycling in paddy fields. Environmental Microbiology, 24 (12). pp. 6279-6289. doi:10.1111/1462-2920.16277 ISSN 1462-2920.
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Official URL: https://doi.org/10.1111/1462-2920.16277
Abstract
It remains unclear whether periphytic biofilms are beneficial to N cycling in paddy fields. Here, based on a national-scale field investigation covering 220 rice fields in China, the N accumulation potential of periphytic biofilms was found to decrease from 8.8 ± 2.4 to 4.5 ± 0.7 g/kg and 3.1 ± 0.6 g/kg with increasing habitat latitude and longitude, respectively. The difference in abundant and rare subcommunities likely accounts for their geo-difference in N accumulation potential. The N cycling pathways involved in periphytic biofilms inferred that soil N and N2 were two potential sources for N accumulation in periphytic biofilms. Meanwhile, some of the accumulated N may be lost via N2, N2O, NO, or NH3 outputs. Superficially, periphytic biofilms are double-edged swords to N cycling by increasing soil N through biological N fixation but accelerating greenhouse gas emissions. Essentially, augmented periphytic biofilms increased change of TN (ΔTN) content in paddy soil from −231.9 to 31.9 mg/kg, indicating that periphytic biofilms overall benefit N content enhancement in paddy fields. This study highlights the contribution of periphytic biofilms to N cycling in rice fields, thus, drawing attention to their effect on rice production and environmental security.
Item Type: | Journal Article | ||||||||||||||||||||||||||||||
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Subjects: | Q Science > QR Microbiology S Agriculture > SB Plant culture |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||||||||||||||||||||||||
SWORD Depositor: | Library Publications Router | ||||||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Biofilms, Nitrogen -- Fixation, Nitrogen cycle, Rice | ||||||||||||||||||||||||||||||
Journal or Publication Title: | Environmental Microbiology | ||||||||||||||||||||||||||||||
Publisher: | Wiley | ||||||||||||||||||||||||||||||
ISSN: | 1462-2920 | ||||||||||||||||||||||||||||||
Official Date: | December 2022 | ||||||||||||||||||||||||||||||
Dates: |
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Volume: | 24 | ||||||||||||||||||||||||||||||
Number: | 12 | ||||||||||||||||||||||||||||||
Page Range: | pp. 6279-6289 | ||||||||||||||||||||||||||||||
DOI: | 10.1111/1462-2920.16277 | ||||||||||||||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||||||||||||||
Reuse Statement (publisher, data, author rights): | This is the peer reviewed version of the following article: Sun, P., Chen, Y., Liu, J., Xu, Y., Zhou, L. & Wu, Y. (2022) Periphytic biofilms function as a double-edged sword influencing nitrogen cycling in paddy fields. Environmental Microbiology, 24( 12), 6279– 6289. Available from: which has been published in final form at https://doi.org/10.1111/1462-2920.16277. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited | ||||||||||||||||||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||||||||||||||
Copyright Holders: | © 2022 Applied Microbiology International and John Wiley & Sons Ltd. | ||||||||||||||||||||||||||||||
Date of first compliant deposit: | 5 January 2023 | ||||||||||||||||||||||||||||||
Date of first compliant Open Access: | 6 November 2023 | ||||||||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
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