@ARTICLE{TreeBASE2Ref31060, author = {Keisuke Obase and Satoshi Yamanaka and Akihiko Kinoshita and Yutaka Tamai and Takashi Yamanaka}, title = {Phylogenetic placements and cultural characteristics of Tuber species isolated from ectomycorrhizas}, year = {2020}, keywords = {Ectomycorrhizal root, Latisporum, Puberulum, Pure culture, Truffles}, doi = {10.47371/mycosci.2020.12.001}, url = {}, pmid = {}, journal = {Mycoscience}, volume = {62}, number = {2}, pages = {124--131}, abstract = {Pure cultures of Tuber were isolated from ectomycorrhizal root tips in Abies sachalinensis plantations in Hokkaido, Japan. Their phylogenetic relationships as well as vegetative hyphal characteristics on culture media were reported. Phylogenetic analysis based on the internal transcribed spacer ribosomal DNA settled well-supported eight lineages within Puberulum, Latisporum, and Maculatum clades in Tuber. Three taxa and one taxon are grouped with undescribed species of Puberulum clade in Japan and that of the Latisporum group in China. Two taxa were closely associated to but distinct from an undescribed species of Puberulum clade in Japan. One taxon did not group with any sequences in the International Nucleotide Sequence Database (INSD), proposing a new taxon in the Latisporum group. One taxon is grouped with T. foetidum in Maculatum clade. All strains of each taxon displayed yellowish white, thin, filamentous colonies on Melin-Norkrans agar media. Various differences in morphological characteristics of hyphae on pure cultures of various strains were noted, but they were frequently uncommon among strains of the same taxa. Isolation from ectomycorrhizal root tips can be among the effective ways to acquire pure cultures of Tuber, contributing to unearthing diversity, ecology, and biology of not well explored Asian truffle species.} }

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