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Five new species of the highly diverse genus Plagiostoma (Gnomoniaceae, Diaporthales) from Japan

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Abstract

Members of the genus Plagiostoma (Gnomoniaceae, Diaporthales) are plant pathogenic and endophytic microfungi that inhabit woody and herbaceous plants in temperate regions of the northern hemisphere. In this study, pure cultures were isolated from specimens of Plagiostoma collected in Japan. Regions of the β-tubulin and tef-1α genes and the complete ITS regions 1 and 2, including the 5.8S rDNA, were sequenced and analyzed phylogenetically. Genealogical concordance phylogenetic species recognition and genealogical non-discordance methods were used to define species. Phylogenetic analyses revealed five previously unknown species of Plagiostoma, which are described and illustrated. These species are associated with host plants in the genera Acer (Sapindaceae) and Salix (Salicaceae).

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Acknowledgments

This project was funded in part by the National Science Foundation Partnerships for Enhancing Expertise in Taxonomy (NSF 03–28364) to A.Y.R. and L.A.C. Additional funding was awarded to B.R.L. or D.M.W. from the Sigma Xi Grants for Aid in Research, TriBeta Undergraduate Research Grants, Ohio Biological Survey, and The University of Findlay. D.M.W. would like to thank Adam Bazinet for assistance with data analyses; Kentaro Hosaka, Shinobu Inoue, Takao Kobayashi, Tsuyoshi Hosoya, Yousuke Degawa for hosting a collecting trip to Japan and Yuuri Hirooka for coordinating the visit; Christian Feuillet for help with nomenclature; Ryan Vo and Tunesha Phipps for technical assistance; and an anonymous reviewer for constructive comments. The authors declare no conflicts of interest.

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Authors and Affiliations

  1. Department of Natural Sciences, The University of Findlay, 45840, Findlay, OH, USA

    Donald M. Walker & Jessica A. Wooten

  2. College of Pharmacy, The University of Findlay, 45840, Findlay, OH, USA

    Brandy R. Lawrence

  3. Systematic Mycology & Microbiology Laboratory, USDA Agricultural Research Service, 20705, Beltsville, MD, USA

    Amy Y. Rossman & Lisa A. Castlebury

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  1. Donald M. Walker
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  2. Brandy R. Lawrence
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  3. Jessica A. Wooten
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  4. Amy Y. Rossman
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  5. Lisa A. Castlebury
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Correspondence to Lisa A. Castlebury.

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Walker, D.M., Lawrence, B.R., Wooten, J.A. et al. Five new species of the highly diverse genus Plagiostoma (Gnomoniaceae, Diaporthales) from Japan. Mycol Progress 13, 993 (2014). https://doi.org/10.1007/s11557-014-0993-z

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  • DOI: https://doi.org/10.1007/s11557-014-0993-z

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