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Development of microsatellite markers for Ophiocordyceps sinensis (Ophiocordycipitaceae) using an ISSR-TAIL-PCR
Xiao-Liang Wang1, Rui-Heng Yang, Yi-Jian Yao
1State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, People's Republic of China.
Premise Of The Study:
Microsatellite primers were developed for Ophiocordyceps sinensis, an endangered medicinal fungus endemic to the Tibetan Plateau, to investigate its genetic diversity and population structure.
Methods And Results:
An inter-simple sequence repeat (ISSR)-thermal asymmetric interlaced (TAIL)-PCR method was established to develop microsatellite markers. A total of 30 perfect and imperfect microsatellites were identified in 48 individuals of O. sinensis from five provinces within China representing different populations. Seventeen loci were polymorphic with two to four alleles per locus, while 13 were monomorphic.
Conclusions:
The results indicate that the microsatellite markers developed here may be used in studies of population genetics and conservation biology of O. sinensis. Furthermore, the ISSR-TAIL-PCR method is a simple strategy for microsatellite marker development.
