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Effects of Epichloe gansuensis Endophyte on the Root and Rhizosphere Soil Bacteria of Achnatherum inebrians Under Different Moisture Conditions
Ju, Yawen1; Zhong, Rui1; Christensen, Michael J.2; Zhang, XX(张兴旭)1
2020-04-17
Source PublicationFrontiers in Microbiology   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN1664-302X
Volume11
page numbers13
AbstractThis study was conducted to explore effects of the systemic fungal endophyte Epichloe gansuensis on root and rhizosphere soil bacterial diversity of Achnatherum inebrians host plants growing under different moisture conditions. Soil properties of different treatments were compared using standard techniques. A total of 4371379 16S rRNA gene sequences were obtained and assigned to 5025 operational taxonomic units (OTUs). These OTUs in roots and rhizosphere soil were divided into 13 and 17 phyla, respectively, and the Actinobacteria and Proteobacteria were the most abundant phyla both in roots and rhizosphere soil. Shannon diversity and Chao1 richness index of bacteria in rhizosphere soil was significantly higher than in roots. E. gansuensis decreased the Shannon diversity of the root-associated bacterial community, and increased Shannon diversity and Chao1 richness index of the rhizosphere soil bacterial community of A. inebrians. Meanwhile, Chao1 richness of the rhizosphere soil bacterial community of A. inebrians significantly increased with the increase of the soil moisture level. Structural equation modeling also emphasized that E. gansuensis decreased the diversity of the root-associated bacterial community and increased the diversity of the rhizosphere soil bacterial community through decreasing soil available N. Additionally, soil moisture increased the diversity of the rhizosphere soil bacterial community through increased soil pH, C/N, and NN, and decreased soil AP. The E. gansuensis endophyte and soil moisture effects on root and rhizosphere soil bacterial diversity were likely to be from responses to modifications of the rhizosphere soil properties.
KeywordEpichloe gansuensis soil moisture Achnatherum inebrians bacterial diversity plant-microbe interaction
PublisherFRONTIERS MEDIA SA
DOI10.3389/fmicb.2020.00747
Indexed BySCIE
Language英语
Funding ProjectNational Nature Science Foundation of China[31772665][31402132] ; National Basic Research Program of China[2014CB138702] ; Open Foundation of Research Institute of Qilian Mountains[50400087080305] ; Fundamental Research Funds for the Central Universities, Lanzhou University[lzujbky-2020-cd04]
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000530500500001
PublisherFRONTIERS MEDIA SA
Original Document TypeArticle
PMID 32362891
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/406039
Collection兰州大学
草地农业科技学院
Corresponding AuthorZhang, Xingxu
Affiliation
1.Lanzhou Univ, Coll Pastoral Agr Sci & Technol,Engn Res Ctr Gras, State Key Lab Grassland Agroecosyst,Ctr Grassland, Key Lab Grassland Livestock Ind Innovat,Minist Ag, Lanzhou, Peoples R China
2.AgResearch, Grasslands Res Ctr, Palmerston North, New Zealand
First Author AffilicationCollege of Pastoral Agriculture Science and Technology
Corresponding Author AffilicationCollege of Pastoral Agriculture Science and Technology
First Signature AffilicationCollege of Pastoral Agriculture Science and Technology
Recommended Citation
GB/T 7714
Ju, Yawen,Zhong, Rui,Christensen, Michael J.,et al. Effects of Epichloe gansuensis Endophyte on the Root and Rhizosphere Soil Bacteria of Achnatherum inebrians Under Different Moisture Conditions[J]. Frontiers in Microbiology,2020,11.
APA Ju, Yawen,Zhong, Rui,Christensen, Michael J.,&Zhang, Xingxu.(2020).Effects of Epichloe gansuensis Endophyte on the Root and Rhizosphere Soil Bacteria of Achnatherum inebrians Under Different Moisture Conditions.Frontiers in Microbiology,11.
MLA Ju, Yawen,et al."Effects of Epichloe gansuensis Endophyte on the Root and Rhizosphere Soil Bacteria of Achnatherum inebrians Under Different Moisture Conditions".Frontiers in Microbiology 11(2020).
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