气候变化领域集成服务门户(CCPortal): Metabolic response of prokaryotic microbes to sporadic hypoxia in a eutrophic subtropical estuary

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DOI	10.1016/j.marpolbul.2020.111064
	Metabolic response of prokaryotic microbes to sporadic hypoxia in a eutrophic subtropical estuary
	Li Y.; Jing H.; Kao S.-J.; Zhang W.; Liu H.
发表日期	2020
ISSN	0025326X
卷号	154
英文摘要	Coastal eutrophication and consequent oxygen depletion (hypoxia) occurs worldwide due to increased human activity. The paucity of genomic information of microbes in hypoxia prone coastal waters have hindered our understanding of microorganism related causation and adaption to the environment. Here, using metagenomic approach, we investigated microbial metabolic capability in heavily polluted Pearl River estuary. Our results highlighted the possible roles of microbial metabolic activity in the formation of bottom water hypoxia by revealing enriched organic degradation related microbial genes in the bottom layer beneath surface phytoplankton bloom. Microbial nitrate reduction in hypoxia layer was low, possibly due to the low pH and fluctuating oxygen level. On contrary, high abundance of sulfate-reducing, and antibiotic and metal resistance related genes were detected in bottom and surface layers, respectively, indicating microbial adaptation to oxygen depletion and pollution. Our study provides gene level information on the interactive relations between microbial functions and environmental stress. © 2020 Elsevier Ltd
英文关键词	Hypoxia; Metabolism; Metagenome; Nutrient cycle
语种	英语
scopus关键词	Bacteria; Eutrophication; Genes; Oxygen; River pollution; Sulfur compounds; Tropics; Coastal eutrophication; Hypoxia; Interactive relation; Metabolic capabilities; Metagenomes; Microbial adaptation; Nutrient cycle; Sub-tropical estuary; Metabolism; antibiotic agent; metal; nitrate; oxygen; sulfate; abundance; adaptive management; environmental stress; estuarine ecosystem; eutrophic environment; marine pollution; metabolism; oxygen; pH; prokaryote; algal bloom; Article; bioremediation; environmental stress; estuary; eutrophication; hypoxia; metagenomics; microbial gene; microbial metabolism; nonhuman; pH; water pollution; environmental monitoring; estuary; human; hypoxia; phytoplankton; river; Prokaryota; Environmental Monitoring; Estuaries; Eutrophication; Humans; Hypoxia; Phytoplankton; Rivers
来源期刊	Marine Pollution Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/149054
作者单位	Department of Ocean Science, Hong Kong University of Science and Technology, Kowloon, China; CAS Key Laboratory for Experimental Study under Deep-sea Extreme Conditions, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, China; Hong Kong Branch of Southern Marine Science and Engineering Guangdong Laboratory, The Hong Kong University of Science and Technology, Hong Kong
推荐引用方式 GB/T 7714	Li Y.,Jing H.,Kao S.-J.,et al. Metabolic response of prokaryotic microbes to sporadic hypoxia in a eutrophic subtropical estuary[J],2020,154.
APA	Li Y.,Jing H.,Kao S.-J.,Zhang W.,&Liu H..(2020).Metabolic response of prokaryotic microbes to sporadic hypoxia in a eutrophic subtropical estuary.Marine Pollution Bulletin,154.
MLA	Li Y.,et al."Metabolic response of prokaryotic microbes to sporadic hypoxia in a eutrophic subtropical estuary".Marine Pollution Bulletin 154(2020).