Distinct distribution patterns and functional potentials of rare and abundant microorganisms between plastisphere and soils
文献类型： 外文期刊
作者： Li, Yongbin 1 ; Gao, Wenlong 2 ; Wang, Caixia 6 ; Gao, Miao 6 ;
作者机构： 1.Dalian Univ Technol, Minist Educ, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China
2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China
3.Hainan Danzhou Trop Agroecosyst Natl Observat & Re, Danzhou 571737, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Low Carbon Green Agr Trop Reg China, Haikou, Peoples R China
5.Guangdong Acad Sci, Inst Ecoenvironm & Soil Sci, Natl Reg Joint Engn Res Ctr Soil Pollut Control &, Guangdong Key Lab Integrated Agroenvironm Pollut C, Guangzhou 510650, Peoples R China
6.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Inst Agr Resources & Reg Planning, Key Lab Microbial Resources Collect & Preservat, Beijing 100081, Peoples R China
7.12 Zhongguancun South St, Beijing, Peoples R China
关键词： Greenhouse; Plastic film; Bacteria; Fungi; Soil-borne plant pathogen; Community assembly
期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：9.8； 五年影响因子：9.6 ）
ISSN： 0048-9697
年卷期： 2023 年 873 卷
页码：
收录情况： SCI
摘要： The increasing application of plastic film has caused the "white pollution" of farmlands in greenhouses. To date, most studies on the ecology of the plastisphere have focused on the whole microbial community, with few on the rare and abundant taxa, especially in the terrestrial ecosystems. To understand the plastisphere rare and abundant taxa of bac-terial and fungal communities, we collected residues of plastic film from plastic-covered soils in the greenhouse. The plastisphere was significantly different from surrounding soils in terms of alpha-and beta-diversities of abundant and rare taxa. Such discrepancies were greater in rare taxa than in abundant taxa. Besides, the enrichment of soil-borne plant pathogenic fungi in the plastisphere implied that plastic film residues can act as vectors for pathogen transmis-sion. In the plastisphere, the stochastic process governed the assemblies of rare taxa, while deterministic assemblies dominated that of abundant taxa. However, in surrounding soils, the stochastic process played a larger role in abun-dant taxa as compared to rare taxa. The plastisphere showed a network of less complexity, more competitive connec-tions, and more modules compared to surrounding soils, and rare taxa played greater roles than abundant taxa. There existed obvious discrepancies in the microbial functions between surrounding soils and plastisphere, including carbon, sulfur, nitrogen, and phosphorus cycling, and rare taxa contribute large proportions to the above cycling processes. Al-together, the findings advance our understanding of ecological mechanisms of abundant and rare taxa in the plastisphere in terrestrial ecosystems.
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