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Molecular systematics of medusae in the genus Craspedacusta (Cnidaria: Hydrozoa: Limnomedusae) in China with the reference to the identity of species
Zhang, Li Q.; Wang, Gui T.; Yao, Wei J.; Li, Wen X.; Gao, Qian; Gao, Q, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2009-05-01
Source PublicationJOURNAL OF PLANKTON RESEARCH
ISSN0142-7873
Volume31Issue:5Pages:563-570
AbstractThe objective of this study was to illustrate the phylogenetic relationship of the species in the genus Craspedacusta in China. The medusae samples were collected at 28 localities in China representing seven described species with their entire ITS region (the contiguous sequences of ITS-1, 5.8S and ITS-2 rDNA) rDNA sequences cloned. Among the 28 samples, the range of sequence variation in the complete ITS and 5.8S region was between 0 and 36.2%. Three main clades were revealed by both maximum likelihood and neighbour-joining trees, with sequence difference of 0-0.9, 0-3.7 and 0.1-1.5% in the three clades. The nesting of C. xinyangensis representatives within C. sowerbii, C. brevinema within C. sinensis and C. sichuanensis within C. kiatingi is strongly supported, with interspecific sequence divergence of 0-0.9, 0.1-1.4 and 0.0-0.4%, respectively. Thus, it is suggested that C. xinyangensis should be the synonym of C. sowerbii, C. sichuanensis the synonym of C. kiatingi and C. brevinema the synonym of C. sinensis. However, the taxonomic status of C. ziguiensis is still uncertain. According to the tree topology, C. kiatingi was closer to C. sowerbii than to C. sinensis. Craspedacusta sinensis was the most genetically distinct from distance matrix values, and located at the base of the phylogenetic trees, so it can be speculated that the C. sinensis may be the ancestral form in the genus Craspedacusta.; The objective of this study was to illustrate the phylogenetic relationship of the species in the genus Craspedacusta in China. The medusae samples were collected at 28 localities in China representing seven described species with their entire ITS region (the contiguous sequences of ITS-1, 5.8S and ITS-2 rDNA) rDNA sequences cloned. Among the 28 samples, the range of sequence variation in the complete ITS and 5.8S region was between 0 and 36.2%. Three main clades were revealed by both maximum likelihood and neighbour-joining trees, with sequence difference of 0-0.9, 0-3.7 and 0.1-1.5% in the three clades. The nesting of C. xinyangensis representatives within C. sowerbii, C. brevinema within C. sinensis and C. sichuanensis within C. kiatingi is strongly supported, with interspecific sequence divergence of 0-0.9, 0.1-1.4 and 0.0-0.4%, respectively. Thus, it is suggested that C. xinyangensis should be the synonym of C. sowerbii, C. sichuanensis the synonym of C. kiatingi and C. brevinema the synonym of C. sinensis. However, the taxonomic status of C. ziguiensis is still uncertain. According to the tree topology, C. kiatingi was closer to C. sowerbii than to C. sinensis. Craspedacusta sinensis was the most genetically distinct from distance matrix values, and located at the base of the phylogenetic trees, so it can be speculated that the C. sinensis may be the ancestral form in the genus Craspedacusta.
SubtypeArticle
KeywordInternal Transcribed Spacers Fresh-water Jellyfish Sowerbyi Scleractinia Ecology World Rdna Prey Dna
Department[Zhang, Li Q.; Wang, Gui T.; Yao, Wei J.; Li, Wen X.; Gao, Qian] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Subject AreaMarine & Freshwater Biology ; Oceanography
DOI10.1093/plankt/fbp005
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Funding OrganizationScience and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectMarine & Freshwater Biology ; Oceanography
WOS IDWOS:000265098100009
WOS KeywordINTERNAL TRANSCRIBED SPACERS ; FRESH-WATER JELLYFISH ; SOWERBYI ; SCLERACTINIA ; ECOLOGY ; WORLD ; RDNA ; PREY ; DNA
Funding OrganizationScience and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009] ; Science and Research Foundation of Three Gorges Project Construction Committee of the State Council of China [SX2002-009]
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7782
Collection期刊论文
Corresponding AuthorGao, Q, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
AffiliationChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Li Q.,Wang, Gui T.,Yao, Wei J.,et al. Molecular systematics of medusae in the genus Craspedacusta (Cnidaria: Hydrozoa: Limnomedusae) in China with the reference to the identity of species[J]. JOURNAL OF PLANKTON RESEARCH,2009,31(5):563-570.
APA Zhang, Li Q.,Wang, Gui T.,Yao, Wei J.,Li, Wen X.,Gao, Qian,&Gao, Q, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.(2009).Molecular systematics of medusae in the genus Craspedacusta (Cnidaria: Hydrozoa: Limnomedusae) in China with the reference to the identity of species.JOURNAL OF PLANKTON RESEARCH,31(5),563-570.
MLA Zhang, Li Q.,et al."Molecular systematics of medusae in the genus Craspedacusta (Cnidaria: Hydrozoa: Limnomedusae) in China with the reference to the identity of species".JOURNAL OF PLANKTON RESEARCH 31.5(2009):563-570.
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