DNA analysis reveals rich diversity of Hydnotrya with emphasis on the species found in China

Molecular analysis of the truffle genus Hydnotrya was conducted with nrDNA-ITS sequences available including newly generated sequences from Chinese specimens. Twenty-one phylotypes were recognized with the threshold of 97% ITS identity. Seven phylotypes corresponded to the described species, H. bail...

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Bibliographic Details
Published in:Mycological progress 2018-10, Vol.17 (10), p.1123-1137
Main Authors: Xu, Yu-Yan, Wang, Yan-Wei, Li, Ting, Yan, Xiang-Yuan, Fan, Li
Format: Article
Language:English
Subjects:
Biodiversity
Biomedical and Life Sciences
Deoxyribonucleic acid
DNA
Ecology
Life Sciences
Microbiology
Morphology
New species
Original Article
Phylogeny
Physical characteristics
Plant Sciences
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Summary:Molecular analysis of the truffle genus Hydnotrya was conducted with nrDNA-ITS sequences available including newly generated sequences from Chinese specimens. Twenty-one phylotypes were recognized with the threshold of 97% ITS identity. Seven phylotypes corresponded to the described species, H. bailii , H. cerebriformis , H. cubispora , H. laojunshanensis , H. michaelis , H. cf. variiformis , and H. tulasnei , and four phylotypes represented by Chinese specimens were described and illustrated as new species, i.e., H. badia , H. brunneospora , H. nigricans , and H. puberula . The remaining ten phylotypes may represent undescribed species. Moreover, the 21 phylotypes grouped into four distinct clades each having as core species H. cerebriformis , H. cubispora , H. michaelis , and H. tulasnei , respectively, which were strongly supported by phylogenetic analysis and morphological characterization.
ISSN:1617-416X
1861-8952
DOI:10.1007/s11557-018-1425-2