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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Zymoseptoria gen. nov.: A new genus to accommodate Septoria-like species occurring on graminicolous hosts
Persoonia: Molecular Phylogeny and Evolution of Fungi, Volume 26, Year 2011
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Description
The Mycosphaerella complex is both poly- and paraphyletic, containing several different families and genera. The genus Mycosphaerella is restricted to species with Ramularia anamorphs, while Septoria is restricted to taxa that cluster with the type species of Septoria, S. cytisi, being closely related to Cercospora in the Myco-sphaerellaceae. Species that occur on graminicolous hosts represent an as yet undescribed genus, for which the name Zymoseptoria is proposed. Based on the 28S nrDNA phylogeny derived in this study, Zymoseptoria is shown to cluster apart from Septoria. Morphologically species of Zymoseptoria can also be distinguished by their yeast-like growth in culture, and the formation of different conidial types that are absent in Septoria s.str. Other than the well-known pathogens such as Z. tritici, the causal agent of septoria tritici blotch on wheat, and Z. passerinii, the causal agent of septoria speckled leaf blotch of barley, both for which epitypes are designated, two leaf blotch pathogens are also described on graminicolous hosts from Iran. Zymoseptoria brevis sp. nov. is described from Phalaris minor, and Z. halophila comb. nov. from leaves of Hordeum glaucum. Further collections are now required to elucidate the relative importance, host range and distribution of these species. © 2011 Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures.
Authors & Co-Authors
Quaedvlieg, William
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Netherlands, Utrecht
Universiteit Utrecht
Kema, Gerrit H.J.
Netherlands, Wageningen
Wageningen University & Research
Groenewald, Johannes Zacharias Ewald
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Verkley, Gerard J.M.
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Mirzadi-Gohari, Amir
Iran, Tehran
Iranian Research Institute of Plant Protection
Mehrabi, Rahim
Netherlands, Wageningen
Wageningen University & Research
Iran, Karaj
Seed and Plant Improvement Research Institute, Karaj
Crous, Pedro Willem
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Netherlands, Utrecht
Universiteit Utrecht
Netherlands, Wageningen
Wageningen University & Research
Statistics
Citations: 192
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.3767/003158511X571841
ISSN:
00315850