干旱区生态环境知识资源中心(Arid): Both pH and salinity shape the microbial communities of the lakes in Badain Jaran Desert, NW China

Arid

DOI	10.1016/j.scitotenv.2021.148108
	Both pH and salinity shape the microbial communities of the lakes in Badain Jaran Desert, NW China
	Banda, Joseph Frazer; Zhang, Qin; Ma, Linqiang; Pei, Lixin; Du, Zerui; Hao, Chunbo; Dong, Hailiang
通讯作者	Hao, CB (corresponding author), China Univ Geosci, Sch Water Resources & Environm, Beijing 100083, Peoples R China. ; Hao, CB (corresponding author), China Univ Geosci, Geomicrobiol Lab, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China.
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2021
卷号	791
英文摘要	Badain Jaran Desert (BJD), characterized by extremely arid climate and tallest sand dunes in the world, is the second largest desert in China. Surprisingly, there are a large number of permanent lakes in this desert. At present, little is known about the composition and distribution of microbial communities in these desert lakes, which are an important bioresource and play a fundamental role in the elemental cycles of the lakes. In this study, the physicochemical characteristics and microbial communities of water samples from 15 lakes in BJD were comparatively investigated. The results showed that the lakes were rich in Na+, Cl-, CO32- and HCO3- while Ca2+ and Mg2+ were scarce, with pH 8.52-10.27 and salinity 1.05-478.70 g/L. Bacteria dominated exclusively in low saline lakes (salinity < 50 g/L) while archaea were predominant in hypersaline lakes (salinity > 250 g/L), which abundance increased along salinity gradient linearly. Genera Flavobacterium, Synechocystis and Roseobacter from phyla Bacteroidetes, Cyanobacteria, Alphaproteobacteria were the major members in low saline lakes whereas Halomonas,Aliidiomarina and Halopelagius from Gammaproteobacteria and Euryarchaeota were abundant in moderately saline lakes (salinity 50-250 g/L). The hypersaline lakes were predominated by extreme halophiles such as Halorubrum, Halohasta and Natronomonas from Euryarchaeota. The correlation among the microbes in the lakes was mainly positive, suggesting they can survive in the harsh environments through synergistic interactions. Statistical analyses indicated that physicochemical characteristics rather than spatial factors shaped the microbial communities in the desert lakes. The pH was the most important environmental factor controlling alpha diversity, while salinity was the major driver determining microbial community structure in BJD lakes. In contrast, geographic factors had no significant impact on the microbial community compositions. (C) 2021 Elsevier B.V. All rights reserved.
英文关键词	Badain Jaran Desert Saline lake Halophile Microbial community structure pH Salinity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000686012800005
WOS关键词	SP NOV. ; ENVIRONMENT-SELECTS ; INNER-MONGOLIA ; SALT LAKES ; DIVERSITY ; GENUS ; ALKALINE ; SOIL ; COOCCURRENCE ; EVERYWHERE
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364572
作者单位	[Banda, Joseph Frazer; Zhang, Qin; Ma, Linqiang; Pei, Lixin; Du, Zerui; Hao, Chunbo; Dong, Hailiang] China Univ Geosci, Sch Water Resources & Environm, Beijing 100083, Peoples R China; [Banda, Joseph Frazer; Zhang, Qin; Ma, Linqiang; Pei, Lixin; Du, Zerui; Hao, Chunbo] China Univ Geosci, Geomicrobiol Lab, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China; [Dong, Hailiang] Miami Univ, Dept Geol & Environm Earth Sci, Oxford, OH 45056 USA
推荐引用方式 GB/T 7714	Banda, Joseph Frazer,Zhang, Qin,Ma, Linqiang,et al. Both pH and salinity shape the microbial communities of the lakes in Badain Jaran Desert, NW China[J],2021,791.
APA	Banda, Joseph Frazer.,Zhang, Qin.,Ma, Linqiang.,Pei, Lixin.,Du, Zerui.,...&Dong, Hailiang.(2021).Both pH and salinity shape the microbial communities of the lakes in Badain Jaran Desert, NW China.SCIENCE OF THE TOTAL ENVIRONMENT,791.
MLA	Banda, Joseph Frazer,et al."Both pH and salinity shape the microbial communities of the lakes in Badain Jaran Desert, NW China".SCIENCE OF THE TOTAL ENVIRONMENT 791(2021).