干旱区生态环境知识资源中心(Arid): Endophytic Bacterial Communities Associated with Roots and Leaves of Plants Growing in Chilean Extreme Environments

Arid

DOI	10.1038/s41598-019-41160-x
	Endophytic Bacterial Communities Associated with Roots and Leaves of Plants Growing in Chilean Extreme Environments
	Zhang, Qian 1; Acuna, Jacquelinne J.2,3; Inostroza, Nitza G.2,3; Mora, Maria Luz 3; Radic, Sergio 4; Sadowsky, Michael J.1,5,6; Jorquera, Milko A.2,3
通讯作者	Jorquera, Milko A.
来源期刊	SCIENTIFIC REPORTS
ISSN	2045-2322
出版年	2019
卷号	9
英文摘要	Several studies have demonstrated the relevance of endophytic bacteria on the growth and fitness of agriculturally-relevant plants. To our knowledge, however, little information is available on the composition, diversity, and interaction of endophytic bacterial communities in plants struggling for existence in the extreme environments of Chile, such as the Atacama Desert (AD) and Patagonia (PAT). The main objective of the present study was to analyze and compare the composition of endophytic bacterial communities associated with roots and leaves of representative plants growing in Chilean extreme environments. The plants sampled were: Distichlis spicate and Pluchea absinthioides from the AD, and Gaultheria mucronata and Hieracium pilosella from PAT. The abundance and composition of their endophytic bacterial communities was determined by quantitative PCR and high-throughput sequencing of 16S rRNA, respectively. Results indicated that there was a greater abundance of 16S rRNA genes in plants from PAT (10(13) to 10(14) copies g(-1) DNA), compared with those from AD (10(10) to 10(12) copies g(-1) DNA). In the AD, a greater bacterial diversity, as estimated by Shannon index, was found in P. absinthioides, compared with D. spicata. In both ecosystems, the greater relative abundances of endophytes were mainly attributed to members of the phyla Proteobacteria (14% to 68%), Firmicutes (26% to 41%), Actinobacteria (6 to 23%) and Bacteroidetes (1% to 21%). Our observations revealed that most of operational taxonomic units (OTUs) were not shared between tissue samples of different plant species in both locations, suggesting the effect of the plant genotype (species) on the bacterial endophyte communities in Chilean extreme environments, where Bacillaceae and Enterobacteriacea could serve as keystone taxa as revealed our linear discriminant analysis.
类型	Article
语种	英语
国家	USA ; Chile
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000461762600067
WOS关键词	MICROBIAL MATS ; DIVERSITY ; GROWTH ; AGROECOSYSTEMS ; RHIZOBACTERIA ; RHIZOSPHERE ; CONSORTIA
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218766
作者单位	1.Univ Minnesota, Biotechnol Inst, 140 Gortner Lab,1479 Gortner Ave, St Paul, MN 55108 USA; 2.Univ La Frontera, Lab Ecol Microbiana Aplicada EMAlab, Dept Ciencias Quim & Recursos Nat, Ave Francisco Salazar 01145, Temuco, Chile; 3.Univ La Frontera, Network Extreme Environm Res NEXER, Sci & Technol Bioresource Nucleus BIOREN, Ave Francisco Salazar 01145, Temuco, Chile; 4.Univ Magallanes, Dept Ciencias Agr & Acuicolas, Ave Bulnes 01855, Punta Arenas, Chile; 5.Univ Minnesota, Dept Soil Water & Climate, 439 Borlaug Hall,1991 Upper Buford Circle, St Paul, MN 55108 USA; 6.Univ Minnesota, Dept Plant & Microbial Biol, 439 Borlaug Hall,1991 Upper Buford Circle, St Paul, MN 55108 USA
推荐引用方式 GB/T 7714	Zhang, Qian,Acuna, Jacquelinne J.,Inostroza, Nitza G.,et al. Endophytic Bacterial Communities Associated with Roots and Leaves of Plants Growing in Chilean Extreme Environments[J],2019,9.
APA	Zhang, Qian.,Acuna, Jacquelinne J..,Inostroza, Nitza G..,Mora, Maria Luz.,Radic, Sergio.,...&Jorquera, Milko A..(2019).Endophytic Bacterial Communities Associated with Roots and Leaves of Plants Growing in Chilean Extreme Environments.SCIENTIFIC REPORTS,9.
MLA	Zhang, Qian,et al."Endophytic Bacterial Communities Associated with Roots and Leaves of Plants Growing in Chilean Extreme Environments".SCIENTIFIC REPORTS 9(2019).