A review of recently introduced Aspergillus, Penicillium, Talaromyces and other Eurotiales species

Author:

Visagie C.M.1,Yilmaz N.1,Kocsubé S.2,Frisvad J.C.3,Hubka V.4,Samson R.A.5,Houbraken J.5

Affiliation:

1. Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa

2. Department of Microbiology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary

3. Department of Biotechnology and Biomedicine, Søltofts Plads, Building 221, Technical University of Denmark, Lyngby, DK-2800 Kgs, Denmark

4. Department of Botany, Faculty of Science, Charles University, Prague, Czech Republic

5. Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands

Abstract

The order Eurotiales is diverse and includes species that impact our daily lives in many ways. In the past, its taxonomy was difficult due to morphological similarities, which made accurate identification of species difficult. This situation improved and stabilised with recent taxonomic and nomenclatural revisions that modernised Aspergillus, Penicillium and Talaromyces. This was mainly due to the availability of curated accepted species lists and the publication of comprehensive DNA sequence reference datasets. This has also led to a sharp increase in the number of new species described each year with the accepted species lists in turn also needing regular updates. The focus of this study was to review the 160 species described between the last list of accepted species published in 2020 until 31 December 2022. To review these species, single-gene phylogenies were constructed and GCPSR (Genealogical Concordance Phylogenetic Species Recognition) was applied. Multi-gene phylogenetic analyses were performed to further determine the relationships of the newly introduced species. As a result, we accepted 133 species (37 Aspergillus, two Paecilomyces, 59 Penicillium, two Rasamsonia, 32 Talaromyces and oneXerochrysium), synonymised 22, classified four as doubtful and created a new combination forParaxerochrysium coryli, which is classified in Xerochrysium. This brings the number of accepted species to 453 for Aspergillus, 12 for Paecilomyces, 535 for Penicillium, 14 fr Rasamsonia, 203 for Talaromyces and four for Xerochrysium. We accept the newly introduced section Tenues (in Talaromyces), and series Hainanici (inAspergillus sect. Cavernicolarum) and Vascosobrinhoana (in Penicillium sect. Citrina). In addition, we validate the invalidly described species Aspergillus annui and A. saccharicola, and series Annuorum (in Aspergillus sect. Flavi), introduce a new combination for Dichlaena lentisci (type of the genus) and place it in a new section in Aspergillus subgenusCircumdati, provide an updated description forRasamsonia oblata, and list excluded and recently synonymised species that were previously accepted. This study represents an important update of the accepted species lists in Eurotiales.

Publisher

Westerdijk Fungal Biodiversity Institute

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