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Book ID: 105254
Samson, Robert A., Cobus M. Visagie and Jos Houbraken (eds.)

Species diversity in Aspergillus, Penicillium and Talaromyces. 2014. (Studies in Mycology, 78). illus. 451 p. 4to. Paper bd.

This issue contains six articles describing the ecology, diversity, nomenclature and new taxonomic concepts of Aspergillus, Penicillium and Talaromyces.Aspergillus section Circumdati or the Aspergillus ochraceus group,includes species with rough walled stipes, biseriate conidial heads, yellow to ochre conidia and sclerotia that do not turn black. A polyphasic approach was applied using morphological characters, extrolite data and partial calmodulin, -tubulin and ITS sequences to examine the evolutionary relationships within this section.

Based on this approach the section Circumdati is revised and 27 species are accepted, introducing seven new species. 13 species of section Circumdati produce large amounts of ochratoxin A while seven additional species produce ochratoxin A inconsistently and/or in trace amounts: The most important species regarding potential ochratoxin A contamination in agricultural products are A. ochraceus, A. steynii and A. westerdijkiae.extinction method. Of the 7904 isolates obtained, 2717 isolateswere identified as belonging to Aspergillus, Penicillium and Talaromyces. Isolates represented 59 Aspergillus species, including eight undescribed species, 49 Penicillium species with seven undescribed species and 18 Talaromyces species with three new taxa.In the next two articles the phylogeny and new single nomenclature of Aspergillus and Penicillium are discussed. Aspergillus was traditionally associated with nine teleomorph genera, but phylogenetic data suggest that together with genera such as Penicillium. Changes in the International Code of Nomenclature for algae, fungi and plants resulted in the move to one name per genera. In a vote, the International Commisions of Penicillium and Aspergillus chose to keep Aspergillus.

The aim of this paper was to introduce new combinations for accepted species presently lacking an Aspergillus name and provide an updated accepted species list for the genus, now containing 339 species.In addition, a standard working technique for the identification while for Penicillium -tubulin is proposed. Penicillium currently contains 354 accepted species, including new combinations for Aspergillus crystallinus, A. malodoratus and A. paradoxus, which belong to Penicillium section Paradoxa. Both papers contain a detailed list of the accepted species together with corresponding MycoBank number, living ex-type strains and provide GenBank accession numbers to ITS, -tubulin, calmodulin and RPB2 sequences.In the fifth paper, a new monograph on Talaromyces applying a and RPB2 multigene phylogeny, a new sectional classification for the genus is proposed, placing the 88 accepted species into seven sections, named sections Bacillispori, Helici, Islandici, Purpurei, Subinflati, Talaromyces and Trachyspermi. All accepted species are illustrated and described in detail, as well as notes provided on their identification using morphology and DNA sequences. Species belonging to Penicillium section Aspergilloides have a world-wide distribution with P. glabrum, P. spinulosum andP. thomii being the most well-known species of this section.
Author Samson, Robert A., Cobus M. Visagie and Jos Houbraken (eds.)
Article type Titel
Author Samson, Robert A., Cobus M. Visagie and Jos Houbraken (eds.)
Page image Samson, Robert A., Cobus M. Visagie and Jos Houbraken (eds.): Species diversity in Aspergillus, Penicillium and Talaromyces. 2014. (Studies in Mycology, 78). illus. 451 p. 4to. Paper bd. (105254) 104.86
Manufacturer Westerdijk Fungalbio Diversity Institute
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EAN 9789491751004
ISBN 9789491751004
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