Auriculibuller fuscus gen. nov., sp. nov. and Bullera japonica sp. nov., novel taxa in the Tremellales

José Paulo Sampaio, João Inácio, Álvaro Fonseca, Mário Gadanho, Isabel Spencer-Martins, Gloria Scorzetti, Jack W. Fell

Research output: Contribution to journalArticle

Abstract

Seven phylloplane yeast strains that were collected in the Arrábida Natural Park, Portugal, and identified preliminarily as Bullera alba, the anamorphic stage of Bulleromyces albus, were investigated. In contrast to Bulleromyces albus, these isolates produced a brownish pigment when grown on potato dextrose agar. The pigment caused darkening of the cultures and diffused into the culture medium. Mating studies revealed that the Arrábida isolates did not react with the different mating types of Bulleromyces albus, but were sexually compatible with them and produced mycelium with clamp connections, haustoria and transversally septate basidia that ejected the basidiospores. Various taxonomic criteria that were evaluated during the present study and comparison with other sexual taxa of the Tremellales indicated that this teleomorph should be classified in a novel genus. Therefore, Auriculibuller fuscus gen. nov., sp. nov. (type strain, PYCC 5690T = CBS 9648T) is proposed. In addition, during the course of this investigation, a member of a novel Bullera species, Bullera japonica sp. nov. (type strain, PYCC 4534T = CBS 2013T), was found among collection isolates that were identified formerly as Bullera alba. In molecular phylogenetic analysis of the D1/D2 domains of the 26S rDNA and the internal transcribed spacer region, the two taxa were found to be closely related, but distinct at the species level.

Original languageEnglish
Pages (from-to)987-993
Number of pages7
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume54
Issue number3
DOIs
Publication statusPublished - 1 May 2004

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Tremellales
Portugal
Mycelium
Solanum tuberosum
Ribosomal DNA
Agar
Culture Media
pigment
Yeasts
Glucose
new species
pigments
agar
potato
phylloplane
basidia
yeast
basidiospores
phylogenetics
internal transcribed spacers

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Sampaio, José Paulo ; Inácio, João ; Fonseca, Álvaro ; Gadanho, Mário ; Spencer-Martins, Isabel ; Scorzetti, Gloria ; Fell, Jack W. / Auriculibuller fuscus gen. nov., sp. nov. and Bullera japonica sp. nov., novel taxa in the Tremellales. In: International Journal of Systematic and Evolutionary Microbiology. 2004 ; Vol. 54, No. 3. pp. 987-993.
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Auriculibuller fuscus gen. nov., sp. nov. and Bullera japonica sp. nov., novel taxa in the Tremellales. / Sampaio, José Paulo; Inácio, João; Fonseca, Álvaro; Gadanho, Mário; Spencer-Martins, Isabel; Scorzetti, Gloria; Fell, Jack W.

In: International Journal of Systematic and Evolutionary Microbiology, Vol. 54, No. 3, 01.05.2004, p. 987-993.

Research output: Contribution to journalArticle

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