期刊
FUNGAL GENETICS AND BIOLOGY
卷 113, 期 -, 页码 14-23出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.fgb.2018.02.001
关键词
Phylogeography; Population genetics; ITS; SSR; Tuber indicum; Truffle
资金
- National Science Foundation of China [U1202262]
- Yunnan Province Government [U1202262]
- National Natural Science Foundation of China [31500016, 31200248, 31270075, 31370070]
- Youth Science Foundation of Shandong Academy of Agricultural Sciences [2015YQN44]
- Yunnan Program of Innovation to Strengthen Provinces through Science and Technology [2009AC013]
- Shandong Academy of Agricultural Sciences + [CXGC2016B10]
- Beifang University of Nationalities [2016skky03]
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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