Phylogeography and population genetic analyses reveal the speciation of the Tuber indicum complex
文献类型： 外文期刊
作者： Qiao, Peng 1 ; Tian, Wei 3 ; Liu, Peigui 2 ; Yu, Fuqiang 4 ; Chen, Juan 5 ; Deng, Xiaojuan 7 ; Wan, Shanping 8 ; Wang, Ra 1 ;
作者机构： 1.Shandong Acad Agr Sci, Shandong Inst Sericulture, Yantai 264002, Shandong, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650204, Yunnan, Peoples R China
3.Ludong Univ, Coll Agr, Yantai 264025, Shandong, Peoples R China
4.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Yunnan, Peoples R China
5.Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100193, Peoples R China
6.Peking Union Med Coll, Beijing 100193, Peoples R China
7.Beifang Univ Nationalities, Coll Biol Sci & Engn, Yinchuan 750021, Peoples R China
8.Yunnan Agr Univ, Coll Resource & Environm, Kunming 650100, Yunnan, Peoples R China
9.New Zealand Inst Plant
关键词： Phylogeography; Population genetics; ITS; SSR; Tuber indicum; Truffle
期刊名称：FUNGAL GENETICS AND BIOLOGY （ 影响因子：3.495； 五年影响因子：3.831 ）
ISSN： 1087-1845
年卷期： 2018 年 113 卷
页码：
收录情况： SCI
摘要： Tuber indicum is an ectomycorrhizal ascomycete that produces edible ascocarps. Based on a number of specimens with known exact origin, we investigate the speciation of the Tuber indicum complex in southwest China. Internal transcribed spacer (ITS) and simple sequence repeat (SSR) markers were used in the study. Phylogeography and population genetics analyses were combined to detect 31 wild populations of the T. indicum complex. Two distinct lineages, Tuber cf. indicum and Tuber cf. himalayense, were identified in the T. indicum complex that exhibited significant phylogeographic structures and genetic differentiation. The characteristics of haplotypes distributing along the river demonstrate that the diffusion and modern distribution pattern of species was influenced by river expansion. These findings are critical for the protection of the diversity of truffles in this region.
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