文献类型：期刊文献

英文题名：Specialized Microbiome of a Halophyte and its Role in Helping Non-Host Plants to Withstand Salinity

作者：Yuan, Zhilin[1] Druzhinina, Irina S.[2] Labbe, Jessy[3] Redman, Regina[4] Qin, Yuan[1] Rodriguez, Russell[4,5] Zhang, Chulong[6] Tuskan, Gerald A.[3] Lin, Fucheng[6]

第一作者：袁志林

通信作者：Yuan, ZL[1];Labbe, J[2]

机构：[1]Chinese Acad Forestry, Inst Subtrop Forestry, Hangzhou, Zhejiang, Peoples R China;[2]TU Wien, Inst Chem Engn, Res Area Biochem Technol, Vienna, Austria;[3]Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA;[4]Adapt Symbiot Technol, Seattle, WA USA;[5]Univ Washington, Dept Biol, Seattle, WA 98195 USA;[6]Zhejiang Univ, Inst Biotechnol, State Key Lab Rice Biol, Hangzhou, Zhejiang, Peoples R China

年份：2016

卷号：6

外文期刊名：SCIENTIFIC REPORTS

收录：;Scopus(收录号：2-s2.0-84984810747);WOS:【SCI-EXPANDED(收录号:WOS:000382159400001)】；

基金：This research was supported financially by the Non-Profit Sector Special Research Fund of the Chinese Academy of Forestry (RISF2013005) and the National Natural Science Foundation of China (No. 31370704). ISD was supported by the Austrian Science Fund (FWF): project number P 25745. JL was supported by the Genomic Science Program, U.S. Department of Energy, Office of Science, Biological and Environmental Research as part of the Plant-Microbe Interfaces Scientific Focus Area (http://pmi.ornl.gov). Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725. We would like to extend our sincerest thanks and great appreciation to Prof. Jeff Dangl, the University of North Carolina at Chapel Hill for his useful suggestions and technical assistance.

语种：英文

摘要：Root microbiota is a crucial determinant of plant productivity and stress tolerance. Here, we hypothesize that the superior halo-tolerance of seepweed Suaeda salsa is tightly linked to a specialized belowground microbiome. To test this hypothesis, we performed a phylogenetic trait-based framework analysis based on bacterial 16S rRNA gene and fungal nuclear rRNA internal transcribed spacer profiling. Data showed that the dominant alpha-proteobacteria and gamma-proteobacteria communities in bulk soil and root endosphere tend to be phylogenetically clustered and at the same time exhibit phylogenetic over-dispersion in rhizosphere. Likewise, the dominant fungal genera occurred at high phylogenetic redundancy. Interestingly, we found the genomes of rhizospheric and endophytic bacteria associated with S. salsa to be enriched in genes contributing to salt stress acclimatization, nutrient solubilization and competitive root colonization. A wide diversity of rhizobacteria with similarity to known halotolerant taxa further supported this interpretation. These findings suggest that an ecological patterned root-microbial interaction strategy has been adopted in S. salsa system to confront soil salinity. We also demonstrated that the potential core microbiome members improve non-host plants growth and salt tolerance. This work provides a platform to improve plant fitness with halophytes-microbial associates and novel insights into the functions of plant microbiome under salinity.