Four new species of Talaromyces section Talaromyces discovered in China

Four new Talaromyces species without any close relatives are reported here, namely, T. aureolinus (ex-type AS3.15865 T ), T. bannicus (ex-type AS3.15862 T ), T. penicillioides (ex-type AS3.15822 T ), and T. sparsus (ex-type AS3.16003 T ). Morphologically, T. aureolinus is unique in producing orange-...

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Veröffentlicht in:Mycologia 2021-03, Vol.113 (2), p.492-508
Hauptverfasser: Wei, Shangzhu, Xu, Xiuli, Wang, Long
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Wang, Long
description Four new Talaromyces species without any close relatives are reported here, namely, T. aureolinus (ex-type AS3.15865 T ), T. bannicus (ex-type AS3.15862 T ), T. penicillioides (ex-type AS3.15822 T ), and T. sparsus (ex-type AS3.16003 T ). Morphologically, T. aureolinus is unique in producing orange-yellow mycelium and gymnothecia, singly borne asci, and ellipsoidal, spiny ascospores. Talaromyces bannicus is characterized by the slow growth rate, polymorphic conidiophores, inconsistent stipe lengths, and pyriform to ellipsoidal, echinulate conidia. Talaromyces penicillioides is distinguished by good growth and sporulation on malt extract agar (MEA) and yeast extract sucrose agar (YES) media, resembling the colony appearances of certain Penicillium species, and appressed biverticillate and occasionally monoverticillate penicilli bearing globose to ellipsoidal, echinulate conidia. Talaromyces sparsus has wide, submerged colony margins with sparse aerial mycelium, and conidial areas overlaid with yellow-green, sterile hyphae on MEA medium. These four new species are well supported by individual phylogenetic trees based on β-tubulin (BENA), calmodulin (CALM), DNA-dependent RNA polymerase II second largest subunit (RPB2), and internal transcribed spacer region (ITS) gene sequences and the tree of the concatenated BENA-CALM-RPB2 sequence.
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subjects 4 new taxa
Molds
morphology
penicillia
soil fungi
title Four new species of Talaromyces section Talaromyces discovered in China
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