Diversity and Distribution of nirK-Harboring Denitrifying Bacteria in the Water Column in the Yellow River Estuary

被引：23

作者：

Li, Jing ^{[1
]}

Wei, Guangshan ^{[1
]}

Wang, Ningxin ^{[2
]}

Gao, Zheng ^{[1
,2
]}

机构：

[1] Shandong Agr Univ, Coll Life Sci, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China

[2] Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China

来源：

MICROBES AND ENVIRONMENTS | 2014年 / 29卷 / 01期

基金：

中国国家自然科学基金;

关键词：

denitrification; nirK gene; Yellow River estuary; water column; REDUCTASE; GENES; NITRATE; NITRIFICATION; COMMUNITIES; ABUNDANCE; METHANOL; BAY;

D O I：

10.1264/jsme2.ME13111

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

We investigated the diversity and community composition of denitrifying bacteria in surface water from the Yellow River estuary. Our results indicated that the diversity of the denitrifying community in freshwater based on the nirK gene was higher than that in seawater. Furthermore, phylogenetic analysis suggested that the bacteria community could be distributed into eight clusters (Clusters I to VIII). Redundancy analysis (RDA) revealed that community compositions were related to multiple environment factors, such as salinity and nitrate concentration. The results of the present study have provided a novel insight into the denitrifying community in water columns in estuaries.

引用

页码：107 / 110

页数：4

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