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学科主题: Ecology; Environmental Sciences; Marine & Freshwater Biology; Water Resources
题名: Genetic diversity of potentially free-living Symbiodinium in the Xisha Islands, South China Sea: Implications for the resilience of coral reefs
作者: Zhou, GW ; Huang, H ; Yu, ZN ; Dong, ZJ ; Li, YC
通讯作者: coralreef@scsio.ac.cn
关键词: chloroplast 23S hypervariable region ; dinoflagellate ; zooxanthellae
刊名: AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
发表日期: 2012
卷: 15, 期:2, 页:152-160
部门归属: [Zhou, Guowei; Huang, Hui; Yu, Ziniu] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Zhou, Guowei; Huang, Hui] Natl Expt Stn Trop Marine Biol, Sanya 572000, Hainan Island, Peoples R China; [Zhou, Guowei] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Dong, Zhijun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Li, Yuanchao] Hainan Marine Dev & Design Inst, Haikou 570125, Peoples R China
项目归属: LMB
摘要: Free-living Symbiodinium have been the focus of considerable attention among coral reef researchers because they represent a source of symbionts for both recently recruited corals and adult corals that are subject to environmental stress (e.g. climate change). We evaluated the genetic diversity of free-living Symbiodinium in seawater collected from the Xisha Islands in the South China Sea using sequence analysis of the hypervariable region of the chloroplast 23S. We sequenced a total of 267 cloned gene fragments representing Symbiodinium in clades A, B, C, D, F, and G, of which 34 were distinct types. The diversity of free-living Symbiodinium types was high at all sites. The majority of Symbiodinium sequences belonged to clade C. There was no significant difference in Symbiodinium sequence types among sites or depths. Our results highlight the high diversity of free-living Symbiodinium pools in the coral reef environment and provide a foundation for future studies of the spatiotemporal distribution of Symbiodinium. Such information is critical to understand and predict the influence of symbiotic dinoflagellates on the adaptation of their host to environmental changes.
语种: 英语
WOS记录号: WOS:000306323300007
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10000
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Zhou, GW; Huang, H; Yu, ZN; Dong, ZJ; Li, YC.Genetic diversity of potentially free-living Symbiodinium in the Xisha Islands, South China Sea: Implications for the resilience of coral reefs,AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2012,15(2):152-160
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