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个人信息Personal Information
副教授
博士生导师
硕士生导师
主要任职:化工海洋与生命学院副院长
性别:男
毕业院校:大连理工大学
学位:博士
所在单位:化工海洋与生命学院
学科:环境工程
办公地点:海洋科学与技术学院 D05 307
联系方式:zhouhao@dlut.edu.cn
电子邮箱:zhouhao@dlut.edu.cn
Seasonal variations of soil bacterial communities in Suaeda wetland of Shuangtaizi River estuary, Northeast China
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论文类型:期刊论文
发表时间:2021-01-10
发表刊物:JOURNAL OF ENVIRONMENTAL SCIENCES
卷号:97
页面范围:45-53
ISSN号:1001-0742
关键字:Microbial community; Suaeda; Rhizosphere; Nitrogen metabolism; Seasonal variation
摘要:Estuarine wetland is the transitional interface linking terrestrial with marine ecosystems, and wetland microbes are crucial to the biogeochemical cycles of nutrients. The soil samples were collected in four seasons (spring, 51; summer, S2; autumn, S3; and winter, S4) from Suaeda wetland of Shuangtaizi River estuary, Northeast China, and the variations of bacterial community were evaluated by high -throughput sequencing. Soil properties presented a significant seasonal change, including pH, carbon (C) and total nitrogen (TN), and the microbial diversity, richness and structure also differed with seasons. Canonical correspondence analysis (CCA) and Mantel tests implied that soil pH, C and TN were the key factors structuring the microbial community. Gillisia (belonging to Bacteroidetes) and Woeseia (affiliating with Gammaproteobacteria) were the two primary components in the rhizosphere soils, displaying opposite variations with seasons. Based on PICRUSt (Phylogenetic Investigation of Communities by Reconstruction of Unobserved States) prediction, the xenobiotics biodegradation related genes exhibited a seasonal decline, while the majority of biomarker genes involved in nitrogen cycle showed an ascending trend. These findings could advance the understanding of rhizosphere microbiota of Suaeda in estuarine wetland. (C) 2020 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.