Microbial community changes along the active seepage site of one cold seep in the Red Sea
Cao, Huiluo1; Zhang, Weipeng1; Wang, Yong1,2; Qian, Pei-Yuan1
2015-07-21
发表期刊FRONTIERS IN MICROBIOLOGY
卷号6期号:1
摘要The active seepage of the marine cold seeps could be a critical process for the exchange of energy between the submerged geosphere and the sea floor environment through organic-rich fluids, potentially even affecting surrounding microbial habitats. However, few studies have investigated the associated microbial community changes. In the present study, 16S rRNA genes were pyrosequenced to decipher changes in the microbial communities from the Thuwal seepage point in the Red Sea to nearby marine sediments in the brine pool, normal marine sediments and water, and benthic microbial mats. An unexpected number of reads from unclassified groups were detected in these habitats; however, the ecological functions of these groups remain unresolved. Furthermore, ammonia-oxidizing archaeal community structures were investigated using the ammonia monooxygenase subunit A (amoA) gene. Analysis of amoA showed that planktonic marine habitats, including seeps and marine water, hosted archaeal ammonia oxidizers that differed from those in microbial mats and marine sediments, suggesting modifications of the ammonia oxidizing archaeal (AOA) communities along the environmental gradient from active seepage sites to peripheral areas. Changes in the microbial community structure of AOA in different habitats (water vs. sediment) potentially correlated with changes in salinity and oxygen concentrations. Overall, the present results revealed for the first time unanticipated novel microbial groups and changes in the ammonia-oxidizing archaea in response to environmental gradients near the active seepages of a cold seep.
文章类型Article
关键词Cold Seep Red Sea 16s Rrna Gene Pyrosequencing Ammonia Oxidizing Archaea
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.3389/fmicb.2015.00739
收录类别SCI
语种英语
关键词[WOS]AMMONIA-OXIDIZING ARCHAEA ; OKHOTSK SEA ; BACTERIAL DIVERSITY ; ANAMMOX BACTERIA ; GENOME SEQUENCE ; HIGH-THROUGHPUT ; CHINA SEA ; SEDIMENTS ; METHANE ; MICROORGANISMS
WOS类目Microbiology
WOS记录号WOS:000358718700002
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.idsse.ac.cn/handle/183446/506
专题深海科学研究部_深海生物学研究室_海洋微生物宏基因组与分子进化研究组
作者单位1.Hong Kong Univ Sci & Technol, Div Life Sci, Hong Kong, Hong Kong, Peoples R China
2.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Peoples R China
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GB/T 7714
Cao, Huiluo,Zhang, Weipeng,Wang, Yong,et al. Microbial community changes along the active seepage site of one cold seep in the Red Sea[J]. FRONTIERS IN MICROBIOLOGY,2015,6(1).
APA Cao, Huiluo,Zhang, Weipeng,Wang, Yong,&Qian, Pei-Yuan.(2015).Microbial community changes along the active seepage site of one cold seep in the Red Sea.FRONTIERS IN MICROBIOLOGY,6(1).
MLA Cao, Huiluo,et al."Microbial community changes along the active seepage site of one cold seep in the Red Sea".FRONTIERS IN MICROBIOLOGY 6.1(2015).
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