Genetic Identification of Hybrids between Rhodeus uyekii and R. notatus by Sequence Analysis of RAG-1 Gene

RAG-1 유전자의 염기서열 분석에 의한 각시붕어 Rhodeus uyekii와 떡납줄갱이 R. notatus 잡종의 동정

  • Yun, Young-Eun (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Lee, Il-Ro (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Park, Sang-Yong (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Kang, Eon-Jong (Southern Regional Inland Research Institute, NFRDI) ;
  • Kim, Eung-O (Southern Regional Inland Research Institute, NFRDI) ;
  • Yang, Sang-Keun (Southern Regional Inland Research Institute, NFRDI) ;
  • Nam, Yoon-Kwon (Department of Aquaculture, Pukyong National University) ;
  • Bang, In-Chul (Department of Marine Biotechnology, Soonchunhyang University)
  • 윤영은 (순천향대학교 해양생명공학과) ;
  • 이일로 (순천향대학교 해양생명공학과) ;
  • 박상용 (순천향대학교 해양생명공학과) ;
  • 강언종 (국립수산과학원 남부내수면연구소) ;
  • 김응오 (국립수산과학원 남부내수면연구소) ;
  • 양상근 (국립수산과학원 남부내수면연구소) ;
  • 남윤권 (부경대학교 양식학과) ;
  • 방인철 (순천향대학교 해양생명공학과)
  • Published : 2009.02.25


Reciprocal interspecific hybrids between two bitterling species Rhodeus uyekii (RU) and R. notatus (RN) were genetically identified based on the partial sequence analysis of recombination activating gene-1 (RAG-1) gene. Out of 863 bp positions analyzed, 13 nucleotide substitutions were detected between the two parental species (RU and RN genotypes). Both the induced hybrids (RU female$\times$RN male; UN genotype) and their reciprocal counterparts (RN female$\times$RU male; NU genotype) displayed the double peaks (or polymorphism) of sequence chromatograms at the 13 diagnostic positions, indicating that those hybrids were actual karyogamy derived from the two parental haploid genomes. However, it was not possible to distinguish between the reciprocal interspecific hybrids.


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