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Cited by 68Soil Carbon and Nitrogen DynamicsMicrobial Community Ecology and PhysiologyPlant-Microbe Interactions and Immunity

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Fertilization shapes a well-organized community of bacterial decomposers for accelerated paddy straw degradation

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Zhan, Yushan, Liu, Wenjing, Bao, Yuanyuan, Zhang, Jianwei, Petropoulos, Evangelos, Li, Zhongpei, Lin, Xiangui, Feng, Youzhi·2018·Scientific Reports
DOI 10.1038/s41598-018-26375-8PMC PMC5964224
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Abstract

Straw, mainly dry stalks of crops, is an agricultural byproduct. Its incorporation to soils via microbial redistribution is an environment-friendly way to increase fertility. Fertilization influences soil microorganisms and straw degradation. However, our up to date knowledge on the responses of the straw decomposers to fertilization remains elusive. To this end, inoculated with paddy soils with 26-year applications of chemical fertilizers, organic amendments or controls without fertilization, microcosms were anoxically incubated with 13 C-labelled rice straw amendment. DNA-based stable isotope probing and molecular ecological network analysis were conducted to unravel how straw degrading bacterial species shift in responses to fertilizations, as well as evaluate what their roles/links in the microbiome are. It was found that only a small percentage of the community ecotypes was participating into straw degradation under both fertilizations. Fertilization, especially with organic amendments decreased the predominance of Firmicutes- and Acidobacteria-like straw decomposers but increased those of the copiotrophs, such as β-Proteobacteria and Bacteroidetes due to increased soil fertility. For the same reason, fertilization shifted the hub species towards those of high degrading potential and created a more stable and efficient microbial consortium. These findings indicate that fertilization shapes a well-organized community of decomposers for accelerated straw degradation.

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Metadata

Authors
Zhan, Y., Liu, W., Bao, Y., Zhang, J., Petropoulos, E., Li, Z., Lin, X., & Feng, Y.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Newcastle University (GB)
Corresponding author
Feng, Youzhi
ORCID
Venue
Scientific Reports
Publisher
Springer Science and Business Media LLC
Published
2018-05-22
Volume
8
Issue
1
Pages
7981-7981
ISSN
2045-2322 (ISSN-L)
DOI
10.1038/s41598-018-26375-8
PMC
PMC5964224
OpenAlex
W2804349277
Cited by
68
References
0
Citations by year
2026: 6 · 2025: 8 · 2024: 8 · 2023: 7 · 2022: 10 · 2021: 16 · 2020: 7 · 2019: 5 · 2018: 1
FWCI
6.78
Type
journal article
Language
en
Open access
Licence
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Newcastle University ePrints (Newcastle Univesity) (cc-by)
Funders
  • National Natural Science Foundation of China (41430859, 973 Program, 41671267, 2016YFD0200306)
  • Chinese Academy of Sciences (KFJ-STS-QYZD-020, XDB15020103, ISSASIP1639)
  • Youth Innovation Promotion Association of the Chinese Academy of Sciences (No. 2014271, 2016YFD0200306, 2014271)
  • Biotechnology and Biological Sciences Research Council (BB/K003240, BB/K003240/1)
  • National Key Research and Development Program of China (2016YFD0200306, 2014CB954500)
  • Youth Innovation Promotion Association
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
Keywords
fertilization, soil microbial communities, organic amendments, mineral fertilizers, stable isotope probing, microbial ecological networks, hub species, copiotrophs, Firmicutes, Acidobacteria, Betaproteobacteria, Bacteroidetes, soil fertility, anaerobic incubation
MeSH terms
Agriculture, Biodegradation, Environmental, Fertilizers, Oryza, Soil, Soil Microbiology, Biomass, Crops, Agricultural, Microbial Consortia, Solid Waste, Microbiota

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