Phylogenetic relationships of the anamorphic genus Fusicladium s. lat. as inferred by ITS nrDNA data

The genus Fusicladium s. lat. (incl. Pollaccia and Spilocaea) was phylogenetically analysed using ITS nrDNA sequences. Pollaccia and Spilocaea did not form monophyletic groups of their own, but were intermingled between Fusicladium species, together with which they formed a monophyletic clade. Thus,...

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Bibliographic Details
Published in:Mycological progress 2005-05, Vol.4 (2), p.111-116
Main Authors: Beck, Andreas, Ritschel, Anja, Schubert, Konstanze, Braun, Uwe, Triebel, Dagmar
Format: Article
Language:English
Subjects:
Rosaceae
Salicaceae
Taxa
Venturia
Venturiaceae
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Summary:The genus Fusicladium s. lat. (incl. Pollaccia and Spilocaea) was phylogenetically analysed using ITS nrDNA sequences. Pollaccia and Spilocaea did not form monophyletic groups of their own, but were intermingled between Fusicladium species, together with which they formed a monophyletic clade. Thus, Pollaccia and Spilocaea should be included in a wider genus concept of Fusicladium, constituting a morphologically variable genus. Furthermore, all Venturia and Fusicladium isolates clustered together on the bases of available ITS data, providing support for the monophyly of the anamorphic genus Fusicladium and the teleomorphic genus Venturia. Within this clade several subclades can be recognized. All taxa on the host family Salicaceae were found in one subclade. Three other subclades comprised taxa on Rosaceae whereas taxa on other host families all clustered separately. Geographic specializations were not observed. Two examples of host switching could be demonstrated, but these were confined to instances involving host species belonging to the same family. Fusicladium convolvularum and F. effusum, two species with unknown teleomorphs, clustered within the Fusicladium/Venturia clade, supporting the correct placement of these taxa in Fusicladium. The placement of Pseudocladosporium hachijoense within the family Venturiaceae was also supported.[PUBLICATION ABSTRACT]
ISSN:1617-416X
1861-8952
DOI:10.1007/s11557-006-0114-8