4.6 Article

Additions to the Inventory of the Genus Alternaria Section Alternaria (Pleosporaceae, Pleosporales) in Italy

Journal

JOURNAL OF FUNGI
Volume 8, Issue 9, Pages -

Publisher

MDPI
DOI: 10.3390/jof8090898

Keywords

Dothideomycetes; Italian dematiaceous hyphomycetes; multi-locus phylogeny; saprobic fungi; taxonomy

Funding

  1. Yunnan Provincial Science and Technology Department, Key Project [202101AS070045]
  2. NSFC-CGIAR Project Characterization of roots and their associated rhizosphere microbes in agroforestry systems: ecological restoration in highphosphorus environment [31861143002]
  3. Chiang Mai University, Chiang Mai, Thailand

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This research enhances the taxonomy of saprobic species in the genus Alternaria found on grasses and herbaceous plants from Italy. Six novel species belonging to the genus Alternaria have been identified based on multi-locus phylogenetic analyses and morphological characteristics.
The genus Alternaria is comprised of well-known plant pathogens causing various important diseases in plants, as well as being common allergens in animals and humans. Species of Alternaria can be found as saprobes associated with various dead plant materials. This research aims to enhance the taxonomy of saprobic species in the genus Alternaria found on grasses and herbaceous plants from Italy, based on multi-locus phylogenetic analyses of a concatenated ITS, LSU, SSU, tef1-alpha, rpb2, gapdh and Alt-a1 DNA sequence dataset combined with morphological characteristics. Multi-locus phylogenetic analyses demonstrated six novel species belonging to the genus Alternaria sect. Alternaria as: A. muriformispora sp. nov., A. obpyriconidia sp. nov., A. ovoidea sp. nov., A. pseudoinfectoria sp. nov., A. rostroconidia sp. nov. and A. torilis sp. nov. Detailed morphological descriptions, illustrations and an updated phylogenetic relationship of taxa in the genus Alternaria sect. Alternaria are provided herein.

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