Abstract
Tricholoma matsutake is among the most valuable mushrooms in the world, and natural populations of this species from different geographic regions are priced very differently. To examine the geographic origins of ‘matsutake’ mushrooms traded in China, we analyzed the mushrooms from two major production and trading regions in China, the Southwest and the Northeast, using a recently published retroelement-based DNA marker. Our analyses showed that 67% of commercial matsutake claimed to be from the northeast were in fact genetically identical to those from the southwest but were different from authentic northeast samples. The finding suggests that caution should be applied to the authentication of commercial matsutake from northeast China.
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Acknowledgments
We thank the following colleagues for their contributions to our sample collections: Tao Sha, Guang-Bo Xu, Tie-Zheng Wei, Bang Feng, Jun-Feng Liang, Qi Zhao, and Yan-Chun Li. This research was supported by NSERC of Canada, McMaster University, Genome Canada, the Joint Funds of the National Natural Science Foundation of China and Yunnan Provincial Government (U0836604), and the foundation of the Key Laboratory of Biodiversity and Biogeography of the Chinese Academy of Sciences (No. KBB-200805).
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We declare no conflicts of interest.
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Xu, J., Cadorin, M., Liang, YJ. et al. DNA-based geographic typing of the gourmet mushroom Tricholoma matsutake traded in China. Mycoscience 51, 248–251 (2010). https://doi.org/10.1007/s10267-009-0024-0
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DOI: https://doi.org/10.1007/s10267-009-0024-0