Genetic Diversity of Stephanie kwangsiensis H. S. Lo and Salvia prionitis Hance after Transplanted and Micropropagated

Abstract:

Stephanie Kwangsiensis H. S. Lo and Salvia prionitis Hance were two rare and valuable Chinese herbs. Genetic diversity of the two plants were studied by using random amplified polymorphic DNA (RAPD) and inter simple sequence repeat (ISSR) markers after they were transplantation and tissue culture. Results indicated that Nei’s gene diversity (H), Shannon’s information index (I), the percentage of polymorphic loci (PPL) of source / transplantation / tissue culture materials of S. Kwangsiensis H. S. Lo were H=0.282 / 0.195/ 0.056, I=0.415 / 0.290 / 0.087, PPL=75.6% / 56.1% /19.5% based on RAPDs and H=0.295 / 0.292 / 0.111, I=0.445 / 0.435 / 0.166, PPL=85.3% / 85.3% / 32.8% based ISSRs. And the same parameters of source / transplantation / tissue culture materials of S. prionitis Hance were H=0.193 / 0.192 / 0.231, I=0.291 / 0.289 /0.347, PPL=57.8% / 57.2% / 68.6% based on RAPDs and H=0.217 / 0.217 / 0.155, I=0.327 / 0.326 /0.235, and PPL=64.2% / 64.2% / 49.1% based on ISSRs instead. For the transplanted materials, genetic diversity was slightly declining with the disappearance of adversity. And for the tissue culture materials, more genets sampled for tissue culture, less reduction of genetic diversity; and fewer genets sampled, more reduction of genetic diversity. In addition, high genetic diversity appearing in tissue culture materials of S. prionitis Hance partially generate from somatic mutations. And these mutations maybe related to RAPD-PCR regions and just had been checked out by RAPDs.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 5460-5467
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.5460
• Online since: May 2012
• Authors: Chuan Ming Fu, Yan Qin, Feng Luan Tang, Yun Ping Shi, Zhi Guo Zhao, Ning Zhen Huang
• Keywords: Genetic Diversity, ISSR, RAPD, Salvia Prionitis Hance, Somatic Mutation, Stephanie kwangsiensis H. S. Lo, Tissue Culture, Transplantation

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