Phylogenetic diversity in shiitake inferred from ribosomal DNA sequences

TitlePhylogenetic diversity in shiitake inferred from ribosomal DNA sequences
Publication TypeJournal Article
Year of Publication1995
AuthorsHibbett DS, Fukumasanakai Y, Tsuneda A, Donoghue MJ
JournalMycologia
Volume87
Pagination618 - 638
ISSN00275514
Keywordsbiogeography, CONSERVATION, EDIBLE FUNGI, ITS, LENTINULA, MYCOLOGY, phylogeny, SHIITAKE
Abstract

Phylogenetic relationships of the edible shiitake mushroom (Lentinula, Tricholomataceae) were studied using DNA sequences from the internal transcribed spacers (ITS) of nuclear ribosomal DNA. The ingroup consisted of seven isolates of L. edodes from Japan and Thailand, nine isolates of L. lateritia from Borneo, Papua New Guinea, and Tasmania, and five isolates of L. novaezelandieae from New Zealand. These species designations are based on morphological species concepts in Lentinula. However, because Lentinula isolates from throughout Asia-Australasia are mating compatible, some authors treat all of these as belonging to L. edodes. The outgroup included two isolates of L. boryana from Mexico. Parsimony, distance, and maximum likelihood analyses were performed, with various combinations of taxa, characters, and character codings, and bootstrap and decay index measures of robustness. Alternate topologies were evaluated in terms of tree lengths, maximum likelihood ratios, and Templeton’s

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