IHB OpenIR  > 鱼类生物学及渔业生物技术研究中心  > 期刊论文
MOLECULAR PHYLOGENY AND HOST SPECIFICITY OF THE LARVAL EUSTRONGYLIDES (NEMATODA: DIOCTOPHMIDAE) FROM FRESHWATER FISH IN CHINA
Xiong, Fan; Li, Wen X.; Wu, Shan G.; Zou, Hong; Wang, Gui T.2; Wang, GT (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.
2013-02-01
Source PublicationJOURNAL OF PARASITOLOGY
ISSN0022-3395
Volume99Issue:1Pages:137-144
AbstractThe nematodes Eustrongylides spp. collected from different fish species in China were examined for their intra-and interspecific evolutionary variations using the molecular markers mitochondrial cytochrome oxidase c subunit 1 (COI) gene and internal transcribed spacer (ITS) rDNA regions. The phylogenetic analysis indicated that Eustrongylides species are divided into 3 well-supported clades. The ITS divergence between the clades suggested that clades 2 and 3 might represent the same species, whereas clade 1 represent another cryptic species. The host specificity of these nematodes was analyzed according to prevalence data, host range, and phylogenetic information. Clade 1 was found in 4 fish species, i.e., Odontobutis obscurus, Silurus asotus, Culter mongolicus, and Acanthogobius flavimanus, but was predominant in the 2 perciform species, O. obscurus and A. flavimanus. Clade 2 was found in 3 fish species, Monopterus albus, Channa argus, and Channa asiatica, but was predominant in M. albus, reported to feed primarily on oligochaetes, the first intermediate host of Eustrongylides sp. Clade 3 was found in 9 species, but its low prevalence suggests accidental infection in all species. Although the larval nematode presented low host specificity, it exhibited some host preference.; The nematodes Eustrongylides spp. collected from different fish species in China were examined for their intra-and interspecific evolutionary variations using the molecular markers mitochondrial cytochrome oxidase c subunit 1 (COI) gene and internal transcribed spacer (ITS) rDNA regions. The phylogenetic analysis indicated that Eustrongylides species are divided into 3 well-supported clades. The ITS divergence between the clades suggested that clades 2 and 3 might represent the same species, whereas clade 1 represent another cryptic species. The host specificity of these nematodes was analyzed according to prevalence data, host range, and phylogenetic information. Clade 1 was found in 4 fish species, i.e., Odontobutis obscurus, Silurus asotus, Culter mongolicus, and Acanthogobius flavimanus, but was predominant in the 2 perciform species, O. obscurus and A. flavimanus. Clade 2 was found in 3 fish species, Monopterus albus, Channa argus, and Channa asiatica, but was predominant in M. albus, reported to feed primarily on oligochaetes, the first intermediate host of Eustrongylides sp. Clade 3 was found in 9 species, but its low prevalence suggests accidental infection in all species. Although the larval nematode presented low host specificity, it exhibited some host preference.
SubtypeArticle
KeywordInternal Transcribed Spacer Ribosomal Dna Parasites Dioctophymatoidea Specialization Infections Ignotus River L.
DepartmentChinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China; [Wang, Gui T.] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
DOI10.1645/GE-3163.1
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding Organizationearmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409]
Indexed BySCI
Language英语
WOS Research AreaParasitology
WOS SubjectParasitology
WOS IDWOS:000322520000023
WOS KeywordINTERNAL TRANSCRIBED SPACER ; RIBOSOMAL DNA ; PARASITES ; DIOCTOPHYMATOIDEA ; SPECIALIZATION ; INFECTIONS ; IGNOTUS ; RIVER ; L.
Funding Organizationearmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409] ; earmarked fund for China Agriculture Research System [CARS-46-08]; State Key Laboratory of Freshwater Ecology and Biotechnology [2011FB07]; National Natural Science Foundation of China [31172409]
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19588
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorWang, GT (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Xiong, Fan,Li, Wen X.,Wu, Shan G.,et al. MOLECULAR PHYLOGENY AND HOST SPECIFICITY OF THE LARVAL EUSTRONGYLIDES (NEMATODA: DIOCTOPHMIDAE) FROM FRESHWATER FISH IN CHINA[J]. JOURNAL OF PARASITOLOGY,2013,99(1):137-144.
APA Xiong, Fan,Li, Wen X.,Wu, Shan G.,Zou, Hong,Wang, Gui T.,&Wang, GT .(2013).MOLECULAR PHYLOGENY AND HOST SPECIFICITY OF THE LARVAL EUSTRONGYLIDES (NEMATODA: DIOCTOPHMIDAE) FROM FRESHWATER FISH IN CHINA.JOURNAL OF PARASITOLOGY,99(1),137-144.
MLA Xiong, Fan,et al."MOLECULAR PHYLOGENY AND HOST SPECIFICITY OF THE LARVAL EUSTRONGYLIDES (NEMATODA: DIOCTOPHMIDAE) FROM FRESHWATER FISH IN CHINA".JOURNAL OF PARASITOLOGY 99.1(2013):137-144.
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