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POPULATION GENETIC STRUCTURE OF THE ACANTHOCEPHALAN ACANTHOSENTIS CHENI IN ANADROMOUS, FRESHWATER, AND LANDLOCKED STOCKS OF ITS FISH HOST, COILIA NASUS
Song, Rui1,2,3,4; Li, Wen X.1,2; Wu, Shan G.1,2; Zou, Hong1,2; Wang, Gui T.1,2,4; Li, WX (reprint author), Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
2014-04-01
Source PublicationJOURNAL OF PARASITOLOGY
ISSN0022-3395
Volume100Issue:2Pages:193-197
AbstractThe acanthocephalan Acanthosentis cheni was found in anadromous, freshwater, and landlocked stocks of its fish host, Coilia nasus. To examine the genetic variations of the acanthocephalan among the 3 populations with the adaptation of the host to the freshwater, the genetic structure of the helminth was investigated in anadromous (Zhoushan and Chongming islands, and Anqing), freshwater (Anqing, Ezhou, and Poyang Lake), and landlocked (Tian'ezhou Reserve) populations by sequencing intergenic transcribed spacers (ITS) of the ribosomal RNA coding genes. Low F-st values and high gene flow were found among the 7 populations (F-st = 0.0135, P = 0.2723; N-m = 36.48) and the 3 ecotypes of Acanthosentis cheni (F-st = 0.0178, P = 0.1044; N-m = 27.67). On the other hand, significant genetic differentiation of the C. nasus host populations was detected between the upstream and downstream areas of Xiaogu Mountain (F-st = 0.1961, P = 0.0030; N-m = 2.05), which is the farthest location of spawning migration for C. nasus. However, the migration break of the fish host appeared not to cause significant genetic differentiation of A. cheni populations between the upper and lower reaches of Xiaogu Mountain. Other factors might promote genetic exchange of A. cheni populations such as dispersal of the intermediate host by flooding or other fish species serving as the definitive or paratenic hosts. In Anqing, nucleotide diversity of the acanthocephalan was highest in the freshwater population (0.0038) and lower in the anadromous population (0.0026). This suggested that new mutations may have occurred in the freshwater A. cheni population in Anqing when adapting to a freshwater environment.; The acanthocephalan Acanthosentis cheni was found in anadromous, freshwater, and landlocked stocks of its fish host, Coilia nasus. To examine the genetic variations of the acanthocephalan among the 3 populations with the adaptation of the host to the freshwater, the genetic structure of the helminth was investigated in anadromous (Zhoushan and Chongming islands, and Anqing), freshwater (Anqing, Ezhou, and Poyang Lake), and landlocked (Tian'ezhou Reserve) populations by sequencing intergenic transcribed spacers (ITS) of the ribosomal RNA coding genes. Low F-st values and high gene flow were found among the 7 populations (F-st = 0.0135, P = 0.2723; N-m = 36.48) and the 3 ecotypes of Acanthosentis cheni (F-st = 0.0178, P = 0.1044; N-m = 27.67). On the other hand, significant genetic differentiation of the C. nasus host populations was detected between the upstream and downstream areas of Xiaogu Mountain (F-st = 0.1961, P = 0.0030; N-m = 2.05), which is the farthest location of spawning migration for C. nasus. However, the migration break of the fish host appeared not to cause significant genetic differentiation of A. cheni populations between the upper and lower reaches of Xiaogu Mountain. Other factors might promote genetic exchange of A. cheni populations such as dispersal of the intermediate host by flooding or other fish species serving as the definitive or paratenic hosts. In Anqing, nucleotide diversity of the acanthocephalan was highest in the freshwater population (0.0038) and lower in the anadromous population (0.0026). This suggested that new mutations may have occurred in the freshwater A. cheni population in Anqing when adapting to a freshwater environment.
SubtypeArticle
KeywordLocal Adaptation Ecology Quadrigyridae Diversity Nematodes Flukes Cycle
Department[Song, Rui ; Li, Wen X. ; Wu, Shan G. ; Zou, Hong ; Wang, Gui T.] Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China ; [Song, Rui ; Li, Wen X. ; Wu, Shan G. ; Zou, Hong ; Wang, Gui T.] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China ; [Song, Rui] Hunan Fisheries Sci Inst, Changsha 410153, Hunan, Peoples R China ; [Song, Rui ; Wang, Gui T.] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
DOI10.1645/12-144.1
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08]
Indexed BySCI
Language英语
WOS Research AreaParasitology
WOS SubjectParasitology
WOS IDWOS:000335385800004
WOS KeywordLOCAL ADAPTATION ; ECOLOGY ; QUADRIGYRIDAE ; DIVERSITY ; NEMATODES ; FLUKES ; CYCLE
Funding OrganizationNational Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08] ; National Natural Science Foundation of China [30600459]; Earmarked Fund for China Agriculture Research System [CARS-46-08]
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20042
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorLi, WX (reprint author), Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, 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
3.Hunan Fisheries Sci Inst, Changsha 410153, Hunan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Song, Rui,Li, Wen X.,Wu, Shan G.,et al. POPULATION GENETIC STRUCTURE OF THE ACANTHOCEPHALAN ACANTHOSENTIS CHENI IN ANADROMOUS, FRESHWATER, AND LANDLOCKED STOCKS OF ITS FISH HOST, COILIA NASUS[J]. JOURNAL OF PARASITOLOGY,2014,100(2):193-197.
APA Song, Rui,Li, Wen X.,Wu, Shan G.,Zou, Hong,Wang, Gui T.,&Li, WX .(2014).POPULATION GENETIC STRUCTURE OF THE ACANTHOCEPHALAN ACANTHOSENTIS CHENI IN ANADROMOUS, FRESHWATER, AND LANDLOCKED STOCKS OF ITS FISH HOST, COILIA NASUS.JOURNAL OF PARASITOLOGY,100(2),193-197.
MLA Song, Rui,et al."POPULATION GENETIC STRUCTURE OF THE ACANTHOCEPHALAN ACANTHOSENTIS CHENI IN ANADROMOUS, FRESHWATER, AND LANDLOCKED STOCKS OF ITS FISH HOST, COILIA NASUS".JOURNAL OF PARASITOLOGY 100.2(2014):193-197.
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