干旱区生态环境知识资源中心(Arid): Pyrosequencing Reveals Significant Changes in Microbial Communities Along the Ecological Succession of Biological Soil Crusts in the Tengger Desert of China

Arid

	Pyrosequencing Reveals Significant Changes in Microbial Communities Along the Ecological Succession of Biological Soil Crusts in the Tengger Desert of China
	Zhang Qingyi; Wang Qiong; Ouyang Hailong; Lan Shubin; Hu Chunxiang
来源期刊	Pedosphere
ISSN	1002-0160
出版年	2018
卷号	28 期号:2 页码:350-362
英文摘要	Biological soil crusts (BSCs) have important ecological functions in arid and semiarid lands,but they remain poorly understood in terms of the changes in microbial communities during BSC succession under in situ field conditions.Here,454 pyrosequencing was used to assess the microbial community composition of four BSC types in the Tengger Desert of China:alga,lichen (cyanolichen and green alga-lichen),and moss crusts,representing early,middle,and final successional stages of BSCs,respectively.The results showed the highest diversity of microbial communities inhabiting lichen crusts,whereas the lowest diversity was observed in moss crusts.Five phyla,Proteobacteria,Actinobacteria,Cyanobacteria,Bacteroidetes,and Acidobacteria,accounted for about 72% to 87% of total prokaryotic sequences in different BSCs.The most abundant eukaryotic microorganism was Ascomycota,accounting for 47% to 93% of the total eukaryotic sequences.Along the succession of BSCs,the abundance of photoautotrophic Cyanobacteria,Chlorophyta,and Bacillariophyta declined,and that of heterotrophic microorganisms such as bacteria and fungi increased.Statistical analysis showed clear divergency of microbial taxa at the class level among the different successional stages of BSCs.The clustering results at class level showed that the moss crusts were the farthest from the rest in prokaryotic composition;the alga crusts were the most different in terms of eukaryotic microorganisms and the two kinds of lichen crusts were relatively closer in both compositions.Ordination analysis showed that the main variations of community structure among BSCs could be explained best by the abundance of Cyanobacteria and Ascomycota and by physiochemical properties of BSCs,including mechanical composition,moisture,and electrical conductivity.In conclusion,our results indicate that Cyanobacteria and Ascomycota likely play an important role in the evolution of BSC structure and functions and highlight the importance of environmental factors in shaping microbial community structures of BSCs in the Tengger Desert of China.
英文关键词	alga driving factors lichen microbial abundance microbial diversity moss
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Agriculture
CSCD记录号	CSCD:6239787
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335956
作者单位	Zhang Qingyi, Institute of Hydrobiology,Chinese Academy of Sciences;;University of Chinese Academy of Sciences, Key Laboratory of Algal Biology,Chinese Academy of Sciences;;, Wuhan;;, ;;Beijing 430072;;100039.; Wang Qiong, Institute of Hydrobiology,Chinese Academy of Sciences;;University of Chinese Academy of Sciences, Key Laboratory of Algal Biology,Chinese Academy of Sciences;;, Wuhan;;, ;;Beijing 430072;;100039.; Ouyang Hailong, Institute of Hydrobiology,Chinese Academy of Sciences;;University of Chinese Academy of Sciences, Key Laboratory of Algal Biology,Chinese Academy of Sciences;;, Wuhan;;, ;;Beijing 430072;;100039.; Lan Shubin, Institute of Hydrobiology,Chinese Academy of Sciences, Key Laboratory of Algal Biology,Chinese Academy of Sciences, Wuhan, Hubei 430072, China.; Hu Chunxiang, Institute of Hydrobiology,Chinese Academy of Sciences, Key Laboratory of Algal Biology,Chinese Academy of Sciences, Wuhan, Hubei 430072, China.
推荐引用方式 GB/T 7714	Zhang Qingyi,Wang Qiong,Ouyang Hailong,et al. Pyrosequencing Reveals Significant Changes in Microbial Communities Along the Ecological Succession of Biological Soil Crusts in the Tengger Desert of China[J],2018,28(2):350-362.
APA	Zhang Qingyi,Wang Qiong,Ouyang Hailong,Lan Shubin,&Hu Chunxiang.(2018).Pyrosequencing Reveals Significant Changes in Microbial Communities Along the Ecological Succession of Biological Soil Crusts in the Tengger Desert of China.Pedosphere,28(2),350-362.
MLA	Zhang Qingyi,et al."Pyrosequencing Reveals Significant Changes in Microbial Communities Along the Ecological Succession of Biological Soil Crusts in the Tengger Desert of China".Pedosphere 28.2(2018):350-362.