@ARTICLE{TreeBASE2Ref27687, author = {Guido Bonthond and Marcelo Sandoval-Denis and Johannes (Ewald) Zacharias Groenewald and Pedro W. Crous}, title = {Seiridium (Sporocadaceae): an important genus of plant pathogenic fungi}, year = {2017}, keywords = {appendage-bearing conidia, canker pathogen, Cupressus, pestalotioid fungi, systematics}, doi = {10.3767/persoonia.2018.40.04}, url = {http://}, pmid = {}, journal = {Persoonia}, volume = {40}, number = {}, pages = {96--118}, abstract = {The genus Seiridium includes multiple plant pathogenic fungi well-known as causal organisms of cankers on Cupressaceae. Taxonomically, the status of several species has been a topic of debate, as the phylogeny of the genus remains unresolved, and authentic ex-type cultures are mostly absent. In the present study, a large collection of Seiridium cultures and specimens from the CBS and IMI collections was investigated morphologically and phylogenetically to resolve the taxonomy of the genus. These investigations included the type material of the most important Cupressaceae pathogens, Seiridium cardinale, S. cupressi and S. unicorne. We constructed a phylogeny of Seiridium based on four loci, namely the ITS rDNA region, and partial gene sequences of the translation elongation factor 1-alpha (TEF), β-tubulin (TUB) and RNA Polymerase II subunit 2 (RPB2). Based on these results we were able to phylogenetically delineate S. unicorne and S. cupressi. In addition, five novel species were described and an epitype designated for Seiridium eucalypti.} }

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