干旱区生态环境知识资源中心(Arid): Microbial Diversity of Upland Rice Roots and Their Influence on Rice Growth and Drought Tolerance

Arid

DOI	10.3390/microorganisms8091329
	Microbial Diversity of Upland Rice Roots and Their Influence on Rice Growth and Drought Tolerance
	Pang, Zhiqiang; Zhao, Ying; Xu, Peng; Yu, Diqiu
通讯作者	Xu, P ; Yu, DQ
来源期刊	MICROORGANISMS
EISSN	2076-2607
出版年	2020
卷号	8 期号:9
英文摘要	Among abiotic stresses, drought is one of the most important factors limiting plant growth. To increase their drought tolerance and survival, most plants interact directly with a variety of microbes. Upland rice (Oryza sativaL.) is a rice ecotype that differs from irrigated ecotype rice; it is adapted to both drought-stress and aerobic conditions. However, its root microbial resources have not been explored. We isolated bacteria and fungi from roots of upland rice in Xishuangbanna, China. Four hundred sixty-two endophytic and rhizospheric isolates (337 bacteria and 125 fungi) were distributed. They were distributed among 43 genera on the basis of 16S rRNA and internal transcribed spacer (ITS) gene sequence analysis. Notably, these root microbes differed from irrigated rice root microbes in irrigated environments; for example, members of the Firmicutes phylum were enriched (by 28.54%) in the roots of the upland plants. The plant growth-promoting (PGP) potential of 217 isolates was investigated in vitro. The PGP ability of 17 endophytic and 10 rhizospheric isolates from upland rice roots was evaluated under well-irrigated and drought-stress conditions, and 9 fungal strains increased rice seedling shoot length, shoot and root fresh weight (FW), antioxidant capability, and proline (Pro) and soluble sugar contents. Our work suggests that fungi from upland rice roots can increase plant growth under irrigated and drought-stress conditions and can serve as effective microbial resources for sustainable agricultural production in arid regions.
英文关键词	rice ecotypes PGPR rhizosphere endophytic fungi antioxidant
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000580097800001
WOS关键词	ACC-DEAMINASE ; STRESS TOLERANCE ; BACTERIAL ; RESISTANCE ; COMMUNITIES ; PLANTS ; RESPONSES ; NITROGEN ; EXOPOLYSACCHARIDE ; ENVIRONMENT
WOS类目	Microbiology
WOS研究方向	Microbiology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326934
作者单位	[Pang, Zhiqiang; Zhao, Ying; Xu, Peng; Yu, Diqiu] Chinese Acad Sci, CAS Key Lab Trop Plant Resources & Sustainable Us, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China; [Pang, Zhiqiang; Xu, Peng] Chinese Acad Sci, Core Bot Gardens, Ctr Econ Bot, Mengla 666303, Yunnan, Peoples R China; [Pang, Zhiqiang; Zhao, Ying] Univ Chinese Acad Sci, Coll Life Sci, Beijing 100049, Peoples R China; [Zhao, Ying] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Ctr Integrat Conservat, Mengla 666303, Yunnan, Peoples R China; [Xu, Peng] Chinese Acad Sci, Innovat Acad Seed Design, Mengla 666303, Yunnan, Peoples R China; [Yu, Diqiu] Yunnan Univ, State Key Lab Conservat & Utilizat Bioresources Y, Kunming 650091, Yunnan, Peoples R China
推荐引用方式 GB/T 7714	Pang, Zhiqiang,Zhao, Ying,Xu, Peng,et al. Microbial Diversity of Upland Rice Roots and Their Influence on Rice Growth and Drought Tolerance[J],2020,8(9).
APA	Pang, Zhiqiang,Zhao, Ying,Xu, Peng,&Yu, Diqiu.(2020).Microbial Diversity of Upland Rice Roots and Their Influence on Rice Growth and Drought Tolerance.MICROORGANISMS,8(9).
MLA	Pang, Zhiqiang,et al."Microbial Diversity of Upland Rice Roots and Their Influence on Rice Growth and Drought Tolerance".MICROORGANISMS 8.9(2020).