Ustilago species causing leaf-stripe smut revisited

IMA Fungus
Julia KruseMarco Thines

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 striiformis-complex 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.

References

Aug 13, 2003·Bioinformatics·Fredrik Ronquist, John P Huelsenbeck
Apr 6, 2004·Molecular Phylogenetics and Evolution·Pilar CatalánRichard G Olmstead
Jan 19, 2013·Molecular Biology and Evolution·Kazutaka Katoh, Daron M Standley
Apr 23, 2013·Persoonia·A R McTaggartT Scharaschkin
Apr 23, 2013·Persoonia·A R McTaggartT Scharaschkin
Jul 31, 2013·IMA Fungus·Marcin PiątekArthur O Chater
Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Jul 6, 2014·Mycologia·Kyrylo G SavchenkoEviatar Nevo

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Citations

Jul 25, 2019·Annual Review of Phytopathology·Weiliang ZuoGunther Doehlemann
May 4, 2021·IMA Fungus·M Catherine AimeConrad L Schoch

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Datasets Mentioned

BETA
KY929814
KY929782
KY929922
MB819627
MB819628
MB819630

Methods Mentioned

BETA
PCR

Software Mentioned

Mega
TrEase
ME
MrBayes
RAxML

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