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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Phylogenetic relationships and the newly discovered sexual state of Talaromyces flavovirens, comb. nov.
Mycotaxon, Volume 122, Year 2012
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Description
Typical Talaromyces ascomata were observed on dry Quercus suber leaf litter amongst the characteristic synnemata of Penicillium aureocephalum, and they appear to represent the sexual state of the latter species. The species is a synonym of the older Lasioderma flavovirens, and we propose the new combination Talaromyces flavovirens. Lectotype and epitype specimens are designated for this name. The defining characters of the asexual state include yellow, short-stalked, mycetozoan-like synnemata with an unusual, almost closed terminal head of penicillate conidiophores intermixed with sinuous hyphae, and dark green conidia. Ascomata could not be induced in culture, but PCR amplifications of mating-type genes indicate the species is heterothallic. In nature, ascocarp initials appear to be antheridia coiled around clavate ascogonia, similar to those of T. flavus, and the thick-walled, spiny ascospores are also similar to those of T. flavus. ITS barcodes and β-tubulin sequences place T. flavovirens in a clade with T. apiculatus, T. flavus, T. funiculosus, T. galapagensis, T. pinophilus, T. macrosporus, and seven other species. © 2012. Mycotaxon, Ltd.
Authors & Co-Authors
Visagie, Cobus M.
Canada, Ottawa
Ottawa Research and Development Centre
South Africa, Stellenbosch
Stellenbosch University
Llimona, Xavier
Spain, Barcelona
Universitat de Barcelona
Vila, Jordi
Spain, Barcelona
Universitat de Barcelona
Louis-Seize, Gerald W.
Canada, Ottawa
Ottawa Research and Development Centre
Seifert, Keith A.
Canada, Ottawa
Ottawa Research and Development Centre
Statistics
Citations: 10
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.5248/122.399
ISSN:
00934666
Research Areas
Sexual And Reproductive Health