A monograph of Aspergillus section Candidi

0564493 - MBÚ 2023 RIV NL eng J - Článek v odborném periodiku
Glässnerová, K. - Sklenář, František - Jurjevič, Ž. - Houbraken, J. - Yaguchi, T. - Visagie, C.M. - Gené, J. - Siqueira, J.P.Z. - Kubátová, A. - Kolařík, Miroslav - Hubka, Vít
A monograph of Aspergillus section Candidi.
Studies in Mycology. Roč. 102, November 2022 (2022), s. 1-51. ISSN 0166-0616. E-ISSN 1872-9797
Grant CEP: GA MZd(CZ) NU21-05-00681
Institucionální podpora: RVO:61388971
Klíčová slova: Aspergillus candidus * Aspergillus tritici * genealogical concordance * integrative taxonomy * intraspecific variability * multispecies coalescent model
Obor OECD: Microbiology
Impakt faktor: 16.5, rok: 2022
Způsob publikování: Open access
https://www.ingentaconnect.com/content/wfbi/sim/pre-prints/content-a1_sim_vol102_art1

Aspergillus section Candidi encompasses white- or yellow-sporulating species mostly isolated from indoor and cave environments, food, feed, clinical material, soil and dung. Their identification is non-trivial due to largely uniform morphology. This study aims to re-evaluate the species boundaries in the section Candidi and present an overview of all existing species along with information on their ecology. For the analyses, we assembled a set of 113 strains with diverse origin. For the molecular analyses, we used DNA sequences of three house-keeping genes (benA, CaM and RPB2) and employed species delimitation methods based on a multispecies coalescent model. Classical phylogenetic methods and genealogical concordance phylogenetic species recognition (GCPSR) approaches were used for comparison. Phenotypic studies involved comparisons of macromorphology on four cultivation media, seven micromorphological characters and growth at temperatures ranging from 10 to 45 °C. Based on the integrative approach comprising four criteria (phylogenetic and phenotypic), all currently accepted species gained support, while two new species are proposed (A. magnus and A. tenebricus). In addition, we proposed the new name A. neotritici to replace an invalidly described A. tritici. The revised section Candidi now encompasses nine species, some of which manifest a high level of intraspecific genetic and/or phenotypic variability (e.g., A. subalbidus and A. campestris) while others are more uniform (e.g., A. candidus or A. pragensis). The growth rates on different media and at different temperatures, colony colours, production of soluble pigments, stipe dimensions and vesicle diameters contributed the most to the phenotypic species differentiation.
Trvalý link: https://hdl.handle.net/11104/0336153