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Dendroseptoria mucilaginosa: a new anamorphic fungus with stauroconidia and phylogenetic placement of Dendroseptoria

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Abstract

Coelomycetes with hyaline stauroconidia represent a rare and undersampled group of fungi with often unknown teleomorphs. In the unique savanna-like vegetation at the base of the Barú volcano in Chiriquí Province, Panama, we discovered an anamorphic ascomycete associated with living shoots and leaves of Buddleja nitida (Scrophulariaceae) that produced sporodochial conidiomata with a blue-green-colored rim and complex multiradiate septate hyaline conidia. The genus Dendroseptoria was selected based on an exhaustive literature review to best accommodate this newly described species, Dendroseptoria mucilaginosa. Sequences of ITS, LSU and SSU rDNA obtained from D. mucilaginosa are most similar to sequences deposited in the GenBank database of non-lichenized fungi belonging to the genus Cyanodermella, although with overall low similarity values. A detailed description of D. mucilaginosa is presented and morphologically similar staurosporous coelomycetes are discussed.

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Acknowledgements

We thank Orlando Cáceres for logistic support, Ivana Borovičková for molecular analyses and LaShae Nicholson for reviewing the English of the manuscript. The Panamanian Ministry of Environment (MiAmbiente) is thanked for the collection and export permits (SE/APH-3-15, SE/AP-17-16, SEX/H-4-15 and SEX/H-6-16). The study was supported by Institutional Support for Science and Research of the Ministry of Education, Youth and Sports of the Czech Republic and the National Secretary of Science, Technology and Innovation (SENACYT) in Panama through the National Research System (SNI).

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Authors and Affiliations

  1. Department of Botany, Faculty of Science, Charles University, Benátská 2, CZ-128 01, Prague, Czech Republic

    Ondřej Koukol

  2. Mycological Research Center, Herbarium UCH, Autonomous University of Chiriquí, 0427, David, Chiriquí Province, Panama

    Tina Antje Hofmann

  3. Department of Mycology, Institute for Ecology, Evolution and Diversity, Goethe University, Max-von-Laue-Str. 13, DE-60438, Frankfurt am Main, Germany

    Meike Piepenbring

Authors
  1. Ondřej Koukol
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  2. Tina Antje Hofmann
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  3. Meike Piepenbring
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Correspondence to Ondřej Koukol.

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Section Editor: Gerhard Rambold

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Koukol, O., Hofmann, T.A. & Piepenbring, M. Dendroseptoria mucilaginosa: a new anamorphic fungus with stauroconidia and phylogenetic placement of Dendroseptoria . Mycol Progress 16, 1065–1070 (2017). https://doi.org/10.1007/s11557-017-1351-8

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  • DOI: https://doi.org/10.1007/s11557-017-1351-8

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