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学科主题: Environmental Sciences; Geosciences, Multidisciplinary
题名: Lower Abundance of Ammonia-Oxidizing Archaea Than Ammonia-Oxidizing Bacteria Detected in the Subsurface Sediments of the Northern South China Sea
作者: Cao, HL ; Hong, YG ; Li, M ; Gu, JD
通讯作者: jdgu@hkucc.hku.hk
关键词: ammonia-oxidizing archaea ; ammonia-oxidizing bacterial ; subsurface ; South China Sea ; amoA
刊名: GEOMICROBIOLOGY JOURNAL
发表日期: 2012
卷: 29, 期:4, 页:332-339
部门归属: [Cao, Huiluo; Hong, Yiguo; Li, Meng; Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Div Microbiol, Hong Kong, Hong Kong, Peoples R China; [Hong, Yiguo] Chinese Acad Sci, S China Sea Inst Oceanog, Key Lab Trop Marine Environm Dynam LED, Guangzhou, Guangdong, Peoples R China; [Gu, Ji-Dong] Univ Hong Kong, Swire Inst Marine Sci, Hong Kong, Hong Kong, Peoples R China
项目归属: LTO
摘要: Diversity and abundance of ammonia-oxidizing archaea (AOA) and bacteria (AOB) in samples of the northern South China Sea subsurface sediment were assessed by analyzing the amoA gene sequences retrieved from the samples. The microbial diversity was assessed using rarefaction and phylogenetic analyses. The deep-sea subsurface sediments harbored diverse and distinct AOA and AOB communities, but the abundance of AOA was lower than that of AOB, consistent with many other studies about bacteria and archaea in subsurface sediments. Diversity of AOA shown in the OTUs and Shannon index was correlated with the concentration of nitrite in the Pearson analysis, but no obvious relationships between the diversity or abundance of AOB and the physicochemical parameters could be identified in the present study, indicating the concentration of ammonium may not be an important factor to determine the diversity and abundance of ammonia-oxidizing prokaryotes in the subsurface sediments. Additionally, Nitrosomonas-like AOB was found to be dominant in subsurface sediments of the northern South China Sea showing a different adaption strategy comparing with some Nitrosospira-like AOB lineages. Concentration of nitrite was correlated with diversity of AOA, but no correlations between diversity and abundance of AOB and the physicochemical parameters were established in the study. Supplementary materials are available for this article. Go to the publisher's online edition of Geomicrobiology Journal to view the free supplemental files.
语种: 英语
WOS记录号: WOS:000301983200004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10277
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Cao, HL; Hong, YG; Li, M; Gu, JD.Lower Abundance of Ammonia-Oxidizing Archaea Than Ammonia-Oxidizing Bacteria Detected in the Subsurface Sediments of the Northern South China Sea,GEOMICROBIOLOGY JOURNAL,2012,29(4):332-339
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