Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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Genetic Diversity of the Mud Crab Scylla serrata in Micronesia based on Microsatellite Marker Analysis

마이크로세틀라이트 마커 분석을 이용한 남서태평양 일대에 서식하는 남방톱날꽃게(Scylla serrata)의 유전적 다양성

  • 장요순 (한국해양연구원 해양생물자원연구부) ;
  • 이순길 (한국해양연구원 해양생물자원연구부) ;
  • 노충환 (한국해양연구원 동해연구소) ;
  • 오승용 (한국해양연구원 해양생물자원연구부)
  • Published : 2009.12.30
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Abstract

Analysis of four microsatellite markers from Mud Crab Scylla serrata revealed that there is high level of genetic diversity within this species. Genetic diversity of S. serrata was calculated using allele diversity, observed heterozygosity, expected heterozygosity (Het-exp), polymorphic information content, gene differentiation and Nei's $D_{A}$ distance. Mean polymorphic information content value was 0.797, which reflected high level of polymorphism across the loci of S. serrata. The Palau population has the highest genetic diversity (Het-exp=0.871), while the Kosrae population has the lowest genetic diversity (Hetexp=0.806). However, the geographical genetic distance among S. serrata populations from Yab, Chuuk, Pohnpei, Kosrae, and Palau were low (0.2009${\sim}$0.3350). These results suggest that despite their wide distribution, S. serrata are no different in geographical genetic diversity within the five sampled locations.

Keywords

References

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