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1 December 2008 Genetic Variability of Schistosoma Japontcum (Katsorada, 1904) Intermediate Hosts Oncomelania hupensis (Gredler, 1881) (Gastropoda: Rissooidea)
Yi-Biao Zhou, Gen-Ming Zhao, Qing-Wu Jiang
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Abstract

Schistosoma japonicum in China has been one of the most serious public problems. Subspecies of the pomatiopsid snail species Oncomelania hupensis is well known as the intermediate S. japonicum host. We used the simple sequence repeat anchored PCR (SSR-PCR) to assess the systematic position of the snail populations from the northwestern part of Guangxi Province, and to assess the degree to which SSR-PCR derived relationships are congruent with the allozymes, COI, and AFLPs results. For 19 populations studied, the genetic distance D ranged from 0.00 to 0.73, with an average value 0.22 ± 0.013. The cophenetic correlation coefficient for the Complete-link cluster, Single-link cluster, UPGMA cluster and NJ cluster was 0.932, 0.906, 0.939 and 0.733, respectively. The goodness of fit for these clusters except NJ cluster was very good. These results were very similar to the results of the AFLPs analysis data. The patterns of genetic differentiation are basically consistent with geographic distribution and shell sculptural and shape characters. These patterns thus serve as the basis for subdivision of O. hupensis into four discrete subspecies, O. h. hupensis (Gredler, 1881), O. h. robertsoni (Bartsch, 1946), O. h. tangi (Bartsch, 1936), and O. h. guangxiensis (Liu, 1981).

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Yi-Biao Zhou, Gen-Ming Zhao, and Qing-Wu Jiang "Genetic Variability of Schistosoma Japontcum (Katsorada, 1904) Intermediate Hosts Oncomelania hupensis (Gredler, 1881) (Gastropoda: Rissooidea)," Annales Zoologici 58(4), 881-889, (1 December 2008). https://doi.org/10.3161/000345408X396792
Received: 16 June 2008; Accepted: 1 October 2008; Published: 1 December 2008
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KEYWORDS
China
genetic variability
Oncomelania hupensis
Schistosoma japonicum
SSR anchored PCR amplification
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