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Divergent responses of phoD- and pqqC-harbouring bacterial communities across soil aggregates to long fertilization practices

文献类型：期刊论文

作者Yang, Lin2,3,4,5; Du, Lanlan1; Li, Weijia1; Wang, Rui1,2,3,4,5; Guo, Shengli1,2,3,4,5
刊名SOIL & TILLAGE RESEARCH
出版日期2023-04-01
卷号228页码:11
ISSN号0167-1987
关键词Soil aggregate P -cycling -related bacteria Co -occurrence network Keystone taxa
DOI10.1016/j.still.2023.105634
通讯作者Wang, Rui(ruiwang0212@126.com) ; Guo, Shengli(guoshli@nwafu.edu.cn)
英文摘要Microbial community composition differs between soil aggregate sizes, which markedly affects phosphorus cycling in agroecosystems. The genes phoD and pqqC regulate phosphorus mobilization and act as molecular markers of phosphate-mobilizing bacteria, but differences in phoD- and pqqC-harbouring bacterial communities between different-sized aggregates remain unclear. The abundance and community composition of phoD- and pqqC-harbouring bacteria were determined in three aggregate size classes (> 250, 63-250, and < 63 mu m) in calcareous soil from northwest China in a 38-year experiment. The > 250 and < 63 mu m aggregates showed the lowest and highest cumulative relative abundance, respectively, of operational taxonomic units in phoD- and pqqC-harbouring bacterial communities. Simpler co-occurrence networks (fewer nodes, links, and shorter network diameter) were found in > 250 and < 63 mu m aggregates, compared to 63-250 mu m aggregates. For phoD and pqqC gene networks, > 250 and < 63 mu m aggregates (phoD: alpha-Proteobacteria and Actinomycetia; pqqC: Actinomycetia) contained keystone taxa distinct from 63 to 250 mu m aggregates (phoD: Rubrobacteria and gamma-Proteobacteria; pqqC: beta-Proteobacteria). Total nitrogen (TN) and Olsen-P significantly affected the abundance and community richness of phoD- and pqqC-harbouring bacteria. phoD and pqqC gene abundance was determined by TN in > 250 mu m aggregates, whereas they were indirectly determined by Olsen-P in < 63 mu m aggregates. Our results emphasized the distinct distribution characteristics of phosphate-mobilizing bacterial communities in different-sized aggregates and identified the main factors regulating phoD and pqqC gene abundance.
WOS关键词MICROBIAL COMMUNITY ; ORGANIC-MATTER ; PHOSPHORUS-FERTILIZER ; TERM FERTILIZATION ; FUNGAL COMMUNITIES ; PHOSPHATASE GENE ; ENZYME-ACTIVITY ; SIZE FRACTIONS ; CARBON ; NITROGEN
资助项目National Key Research and Development Program of China[2021FY100502] ; National Natural Sciences Foundation of China[42107360] ; National Natural Sciences Foundation of China[41701318] ; National Natural Sciences Foundation of China[41371279] ; Fundamental Research Funds for the Central Univer-sities[2452021032]
WOS研究方向Agriculture
语种英语
出版者ELSEVIER
WOS记录号WOS:000919133200001
资助机构National Key Research and Development Program of China ; National Natural Sciences Foundation of China ; Fundamental Research Funds for the Central Univer-sities
源URL[http://ir.igsnrr.ac.cn/handle/311030/189386]  
专题中国科学院地理科学与资源研究所
通讯作者Wang, Rui; Guo, Shengli
作者单位1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling, Shaanxi 712100, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling, Shaanxi 712100, Peoples R China
4.Minist Educ, Yangling, Shaanxi 712100, Peoples R China
5.Chinese Acad Sci, Res Ctr Soil & Water Conservat & Ecol Environm, Yangling, Shaanxi 712100, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Lin,Du, Lanlan,Li, Weijia,et al. Divergent responses of phoD- and pqqC-harbouring bacterial communities across soil aggregates to long fertilization practices[J]. SOIL & TILLAGE RESEARCH,2023,228:11.
APA Yang, Lin,Du, Lanlan,Li, Weijia,Wang, Rui,&Guo, Shengli.(2023).Divergent responses of phoD- and pqqC-harbouring bacterial communities across soil aggregates to long fertilization practices.SOIL & TILLAGE RESEARCH,228,11.
MLA Yang, Lin,et al."Divergent responses of phoD- and pqqC-harbouring bacterial communities across soil aggregates to long fertilization practices".SOIL & TILLAGE RESEARCH 228(2023):11.

入库方式： OAI收割

来源：地理科学与资源研究所

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