Phylogeny and species delimitations in the entomopathogenic genus Beauveria (Hypocreales, Ascomycota), including the description of B. peruviensis sp. nov.
Danilo E. Bustamante,Manuel Oliva,Santos Leiva,Jani E. Mendoza,Leidy Bobadilla,Geysen Angulo,Martha S. Calderon +6 more
- 09 Sep 2019
- Vol. 58, Iss: 58, pp 47-68
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TL;DR: The results demonstrate that the congruence among different methods in a polyphasic approach is more likely to show reliably supported species boundaries, and genetic distance, coalescent, and multilocus phylogeny are crucial when establishing species boundaries in Beauveria.
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Abstract: The genus Beauveria is considered a cosmopolitan anamorphic and teleomorphic genus of soilborne necrotrophic arthropod-pathogenic fungi that includes ecologically and economically important species. Species identification in Beauveria is difficult because of its structural simplicity and the lack of distinctive phenotypic variation. Therefore, the use of multi-locus sequence data is essential to establish robust species boundaries in addition to DNA-based species delimitation methods using genetic distance, coalescent, and genealogical concordance approaches (polyphasic approaches). In this regard, our study used multilocus phylogeny and five DNA-based methods to delimit species in Beauveria using three molecular makers. These polyphasic analyses allowed for the delimitation of 20-28 species in Beauveria, confirming cryptic diversity in five species (i.e. B. amorpha, B. bassiana, B. diapheromeriphila, and B. pseudobassiana) and supporting the description of B. peruviensis as a new taxon from northeastern Peru. The other five species were not evaluated as they did not have enough data (i.e. B. araneola, B. gryllotalpidicola, B. loeiensis, B. medogensis, and B. rudraprayagi). Our results demonstrate that the congruence among different methods in a polyphasic approach (e.g. genetic distance and coalescence methods) is more likely to show reliably supported species boundaries. Among the methods applied in this study, genetic distance, coalescent approaches, and multilocus phylogeny are crucial when establishing species boundaries in Beauveria.
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Citations
What are fungal species and how to delineate them
K. W. Thilini Chethana,K. W. Thilini Chethana,Ishara S. Manawasinghe,Vedprakash G. Hurdeal,Chitrabhanu S. Bhunjun,M. A. Appadoo,Eleni Gentekaki,Olivier Raspé,Itthayakorn Promputtha,Kevin D. Hyde,Kevin D. Hyde,Kevin D. Hyde +11 more
TL;DR: This review provides a set of guidelines, encouraging an integrative taxonomic approach for species delimitation that can be used to define fungal species boundaries in the future.
143
Integrative approaches for species delimitation in Ascomycota
Sajeewa S. N. Maharachchikumbura,Sajeewa S. N. Maharachchikumbura,Yanpeng Chen,Hiran A. Ariyawansa,Kevin D. Hyde,Danny Haelewaters,Danny Haelewaters,Rekhani H. Perera,Milan C. Samarakoon,Dhanushka N. Wanasinghe,Danilo E. Bustamante,Jian-Kui Liu,Daniel P. Lawrence,Ratchadawan Cheewangkoon,Marc Stadler +14 more
TL;DR: It is argued that a single property to delineate species boundaries has various defects and each species concept comes with its own advantages and disadvantages and several examples for ideal and pragmatic approaches of species delimitation are provided.
113
Species Diversity and Virulence Potential of the Beauveria bassiana Complex and Beauveria scarabaeidicola Complex
TL;DR: In this paper , the pathogenicity of the isolates from the B. bassiana complex and B. scarabaeidicola complex was determined with three bioassays using B. mori and T. molitor larvae, in addition to Protaetia brevitarsis adults.
Cryptic diversity of the genus Beauveria with a new species from Thailand
Artit Khonsanit,Janet Jennifer Luangsa-ard,Donnaya Thanakitpipattana,Wasana Noisripoom,Thanyarat Chaitika,Noppol Kobmoo +5 more
TL;DR: A new species of Beauveria is described, namely B. mimosiformis sp.
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The fruticose genera in the Ramalinaceae (Ascomycota, Lecanoromycetes): their diversity and evolutionary history
Richard Spjut,Antoine Simon,Martin Guissard,Nicolas Magain,Emmanuël Sérusiaux +4 more
- 09 Nov 2020
TL;DR: P phylogenetic analyses of the fruticose Ramalinaceae based on extensive collections from many parts of the world, with a special focus on the Vizcaíno deserts in north-western Mexico and the coastal desert in Namibia, show that Ramalina and its sister genus Namibialina diverged from each other at c.
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