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- Title
Ustilago species causing leaf-stripe smut revisited.
- Authors
Kruse, Julia; Dietrich, Wolfgang; Zimmermann, Horst; Klenke, Friedemann; Richter, Udo; Richter, Heidrun; Thines, Marco
- Abstract
Leaf-stripe smuts on grasses are a highly polyphyletic group within Ustilaginomycotina, occurring in three genera, Tilletia, Urocystis, and Ustilago. Currently more than 12 Ustilago species inciting stripe smuts are recognised. The majority belong to the Ustilago striiformis-complex, with about 30 different taxa described from 165 different plant species. This study aims to assess whether host distinct-lineages can be observed amongst the Ustilago leaf-stripe smuts using nine different loci on a representative set. Phylogenetic reconstructions supported the monophyly of the Ustilago striiformiscomplex that causes leaf-stripe and the polyphyly of other leaf-stripe smuts within Ustilago. Furthermore, smut specimens from the same host genus generally clustered together in well-supported clades that often had available species names for these lineages. In addition to already-named lineages, three new lineages were observed, and described as new species on the basis of host specificity and molecular differences: namely Ustilago jagei sp. nov. on Agrostis stolonifera, U. kummeri sp. nov. on Bromus inermis, and U. neocopinata sp. nov. on Dactylis glomerata.
- Subjects
USTILAGO; FUNGI classification; FUNGAL diseases of plants
- Publication
IMA Fungus, 2018, Vol 9, Issue 1, p49
- ISSN
2210-6340
- Publication type
Article
- DOI
10.5598/imafungus.2018.09.01.05