@ARTICLE{TreeBASE2Ref18590, author = {Vasyl P. Heluta and Susumu Takamatsu and Svitlana Voytyuk and Yoshiro Shiroya}, title = {Erysiphe kenjiana (Erysiphales), a new invasive fungus in Europe}, year = {2009}, keywords = {}, doi = {10.1007/s11557-009-0610-8}, url = {}, pmid = {}, journal = {Mycological Progress}, volume = {8}, number = {4}, pages = {367--375}, abstract = {An Asian powdery mildew fungus Erysiphe (Uncinula) kenjiana (Erysiphales, Ascomycota) has been found in Ukraine. This is the first record of this fungus in Europe. In 2007, E. kenjiana was collected on four Ulmus species in Kiev. All locations adjoined railways or an airport. Development of E. kenjiana was epiphytotic. This species was not found on elms surveyed at towns situated north-east, east or south of Kiev. The fungus may have been brought directly to Ukraine by rail or air transport. In 2008, the fungus was also collected in Chernihiv situated north-east of Kiev. It is likely that E. kenjiana will spread over all Ukraine and into countries of central and western Europe in 2009 or later. Molecular phylogenetic analyses using D1/D2 domains of the 28 S rDNA and ITS sequences revealed that the Ulmaceae-Cannabaceae-parasitic powdery mildews, including E. kenjiana, form a clade with strong supports, suggesting that these species diverged from a single ancestor and expanded their host ranges within the Ulmaceae and allied Cannabaceae. This hypothesis is supported by these species sharing the unique morphology of enlarged apices on their chasmothecial appendages. These fungi formed part of a larger grouping with species on Fagaceae, Nothofagaceae, Rosaceae, and Sapindaceae with strong statistical supports. These results suggest that Uncinula-like powdery mildew fungi on these plant families exhibit close evolutionary relationships with their hosts.} }

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