Sediment nitrite-dependent methane-oxidizing microorganisms temporally   and spatially shift in the Dongjiang River

doi:10.1007/s00253-016-7888-7

CORC > 北京大学 > 环境科学与工程学院

	Sediment nitrite-dependent methane-oxidizing microorganisms temporally and spatially shift in the Dongjiang River
	Long, Yan ; Jiang, Xianjin ; Guo, Qingwei ; Li, Bingxin ; Xie, Shuguang
刊名	APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
	2017
关键词	Freshwater Nitrite-dependent anaerobic methane oxidation Nitrogen Sediment River 16S RIBOSOMAL-RNA FRESH-WATER LAKE ANAEROBIC AMMONIUM OXIDATION BACTERIA PMOA GENES DIVERSITY ABUNDANCE WETLAND DENITRIFICATION METHANOTROPHS
DOI	10.1007/s00253-016-7888-7
英文摘要	Nitrite-dependent anaerobic methane oxidation (n-damo) process can play an important role in the methane mitigation in the environment. However, the distribution of n-damo organisms in freshwater sediment ecosystem and the associated environmental factors remain essentially unclear. The present study investigated the temporal and spatial dynamics of sediment n-damo community in the freshwater Dongjiang River using quantitative PCR assay and clone library analysis targeting n-damo pmoA gene. Sediment samples were collected at nine locations along the Dongjiang River in May and August in 2015. The remarkable temporal and spatial changes of sediment n-damo community abundance, richness, diversity, and structure occurred in the Dongjiang River and its tributaries. The n-damo pmoA gene in sediments of the Dongjiang River and its tributaries varied from 9.07 x 10(4) to 3.02 x 10(6) copies per gram dry sediment. Compared to the stem of the Dongjiang River, tributaries had relatively higher sediment n-damo community size. Sediment n-damo community abundance was higher in August than in May, while an opposite trend was observed for n-damo community richness and diversity. Sediment n-damo community structure showed a great difference between in May and August. Sediment nitrite nitrogen content was positively correlated to n-damo community abundance, but negatively to richness and diversity. Ammonia nitrogen content showed a positive correlation to n-damo community abundance, while n-damo community diversity was negatively correlated to the ratio of total organic carbon to total nitrogen (C/N). In addition, nitrite nitrogen as well as C/N might influence n-damo community structure.; National Natural Science Foundation of China [41001323, 41571444]; SCI(E); PubMed; ARTICLE; 1; 401-410; 101
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/457464]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Long, Yan,Jiang, Xianjin,Guo, Qingwei,et al. Sediment nitrite-dependent methane-oxidizing microorganisms temporally and spatially shift in the Dongjiang River[J]. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY,2017.
APA	Long, Yan,Jiang, Xianjin,Guo, Qingwei,Li, Bingxin,&Xie, Shuguang.(2017).Sediment nitrite-dependent methane-oxidizing microorganisms temporally and spatially shift in the Dongjiang River.APPLIED MICROBIOLOGY AND BIOTECHNOLOGY.
MLA	Long, Yan,et al."Sediment nitrite-dependent methane-oxidizing microorganisms temporally and spatially shift in the Dongjiang River".APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (2017).