文献类型：期刊文献

英文题名：Microbiome-metabolome analysis directed isolation of rhizobacteria capable of enhancing salt tolerance of Sea Rice 86

作者：Wang, Guang[1];Weng, Liyun[1];Huang, Yongxiang[1];Ling, Yu[1];Zhen, Zhen[1];Lin, Zhong[1];Hu, Hanqiao[1];Li, Chengyong[1,2];Guo, Jianfu[1];Zhou, John L.[3];Chen, Sha[4];Jia, Yang[5];Ren, Lei[1,2]

机构：[1]Guangdong Ocean Univ, Coll Coastal Agr Sci, Sch Chem & Environm, Zhanjiang 524088, Peoples R China;[2]Guangdong Ocean Univ, Shenzhen Res Inst, Shenzhen 518108, Peoples R China;[3]Univ Technol Sydney, Ctr Green Technol, 15 Broadway, Ultimo, NSW 2007, Australia;[4]Hunan Univ Technol, Sch Life Sci & Chem, Hunan Key Lab Biomass Fiber Funct Mat, Zhuzhou 412007, Peoples R China;[5]Wenzhou Univ, Natl & Local Joint Engn Res Ctr Ecol Treatment Te, Zhejiang Prov Key Lab Subtrop Water Environm & Ma, Wenzhou 325035, Peoples R China

年份：2022

卷号：843

外文期刊名：SCIENCE OF THE TOTAL ENVIRONMENT

收录：SCI-EXPANDED(收录号：WOS:000869059200001)、、EI(收录号：20222712313665)、Scopus(收录号：2-s2.0-85133157310)、WOS

基金：The authors acknowledge financial support from the National Natural Science Foundation of China (31800109, 41977125 and 41907033), Natural Science Foundation of Guangdong Province (2022A1515012128), Natural Science Foundation of Hunan Province (2021JJ50034), Key-Area Research and Development Program of Guangdong Province (2020B020219004), Shenzhen Science and Technology R&D Fund (project number: KCXFZ202002011011057), South China Sea Scholar of Guangdong Ocean University (002029002004), and Program for Scientific Research start-up Funds of Guangdong Ocean University (R18013).

语种：英文

外文关键词：Sea Rice 86; Rhizobacteria; Microbiome; Metabolome; PGPR; Bacillus

外文摘要：Soil salinization has been recognized as one of the main factors causing the decrease of cultivated land area and global plant productivity. Application of salt tolerant plants and improvement of plant salt tolerance are recognized as the major routes for saline soil restoration and utilization. Sea rice 86 (SR86) is known as a rice cultivar capable of growing in saline soil. Genome sequencing and transcriptome analysis of SR86 have been conducted to explore its salt tolerance mechanisms while the contribution of rhizobacteria is underexplored. In the present study, we examined the rhizosphere bacterial diversity and soil metabolome of SR86 seedlings under different salinity to understand their contribution to plant salt tolerance. We found that salt stress could significantly change rhizobacterial diversity and rhizosphere metabolites. Keystone taxa were identified via co-occurrence analysis and the correlation analysis between keystone taxa and rhizosphere metabolites indicated lipids and their derivatives might play an important role in plant salt tolerance. Further, four plant growth promoting rhizobacteria (PGPR), capable of promoting the salt tolerance of SR86, were isolated and characterized. These findings might provide novel insights into the mechanisms of plant salt tolerance mediated by plant-microbe interaction, and promote the isolation and application of PGPR in the restoration and utilization of saline soil.