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Root-associated bacterial diversities of Oryza rufipogon and Oryza sativa and their influencing environmental factors
L. Tian, X. Zhou, L. N. Ma, S. Q. Xu, F. Nasir and C. J. Tian; Tian CJ(田春杰)
2017
Source PublicationArchives of Microbiology
Volume199Issue:4Pages:563-571
AbstractOryza rufipogon is the ancestor of human-cultivated Oryza sativa. However, little is known about the difference between the root-associated microorganisms of O. rufipogon and O. sativa. In this study, the root-associated bacteria of O. rufipogon, Leersia hexandra, and O. sativa from different latitudes in China were studied by DGGE analysis. Their bacterial community structures were compared by principal component analysis. The relationship between root-associated bacteria and soil properties was explored by canonical correspondence analysis. The relationships of glomalin-related soil protein (GRSP) content, soluble sugar content, proline content of the plant, and bacterial diversity indices of their root-associated microorganisms were also investigated. We found both broad-spectrum and host-specific bacteria, and the similarity, diversity and abundance indices of O. rufipogon and L. hexandra were higher than O. sativa root-associated bacteria. However, even living in the same habitat, O. rufipogon and L. hexandra selected different root-associated bacteria. Microbial composition was primarily correlated with available N, P, and K and the annual precipitation. We also found a positive correlation between the soluble sugar content of the plant and GRSP content of the root soil. The above results indicated that the community structure of root-associated bacteria differs between wild rice and cultivated rice. Human activity and the natural selection of the host plants shaped the differences, consistent with our hypothesis.
DOI10.1007/s00203-016-1325-2
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7626
Collection湿地与全球变化学科组
Corresponding AuthorTian CJ(田春杰)
Recommended Citation
GB/T 7714
L. Tian, X. Zhou, L. N. Ma, S. Q. Xu, F. Nasir and C. J. Tian,Tian CJ. Root-associated bacterial diversities of Oryza rufipogon and Oryza sativa and their influencing environmental factors[J]. Archives of Microbiology,2017,199(4):563-571.
APA L. Tian, X. Zhou, L. N. Ma, S. Q. Xu, F. Nasir and C. J. Tian,&田春杰.(2017).Root-associated bacterial diversities of Oryza rufipogon and Oryza sativa and their influencing environmental factors.Archives of Microbiology,199(4),563-571.
MLA L. Tian, X. Zhou, L. N. Ma, S. Q. Xu, F. Nasir and C. J. Tian,et al."Root-associated bacterial diversities of Oryza rufipogon and Oryza sativa and their influencing environmental factors".Archives of Microbiology 199.4(2017):563-571.
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