Genetic diversity of Ophiocordyceps sinensis, a medicinal fungus endemic to the Tibetan Plateau: Implications for its evolution and conservation |
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| Authors: | Yongjie Zhang Lingling Xu Shu Zhang Xingzhong Liu Zhiqiang An Mu Wang and Yinglan Guo |
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| Institution: | (1) Key Laboratory of Systematic Mycology and Lichenology, Institute of Microbiology, Chinese Academy of Sciences, No.3, 1st Beichen West Road, Chaoyang District, Beijing, 100101, PR China;(2) School of Life Sciences, Shanxi University, Wucheng Road, Xiaodian District, Taiyuan, Shanxi, 030006, PR China;(3) Graduate University, Chinese Academy of Sciences, Beijing, 100049, PR China;(4) Epitomics, Inc., 863 Mitten Road, Suite 103, Burlingame, CA 94010-1303, USA;(5) School of Plant Science & Technology, Agriculture and Animal Husbandry College of Tibet, Nyingchi, Tibet, 860000, PR China |
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| Abstract: | Background
Ophiocordyceps sinensis (syn. Cordyceps sinensis), endemic to alpine regions on the Tibetan plateau, is one of the most valuable medicinal fungi in the world. Huge commercial
demand has led to excessive harvest and a dramatic decline in its numbers. The diversity of terrains and climates on the Tibetan
Plateau and the broad insect host range (more than 50 species in the family Hepialidae) may have resulted in substantial intraspecific
genetic diversity for this fungus. The objective of this study was to evaluate the population distribution of O. sinensis from geographically diverse regions of the Tibetan Plateau based on nrDNA ITS and MAT1-2-1 gene sequences. Understanding of the genetic diversity and genesis of O. sinensis will provide important information for the evolution and conservation of this fungus. |
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