Abstract
Two novel species of bambusicolous fungi in the genus Kamalomyces, collected from northern Thailand, are described and illustrated herein. Kamalomyces bambusicola and K. thailandicus spp. nov. are typical of the genus Kamalomyces (Tubeufiaceae, Tubeufiales) and are morphologically distinct from known species with respect to their size of ascomata, asci and ascospores, ascospore septation and peridium structure, including the subiculum comprising hyphae on the host surface. Morphological examination reveals that the asexual morph of K. bambusicola is associated with its sexual morph in a subiculum forming dictyochlamydosporous conidia, which are similar to the asexual morph of Chlamydotubeufia. Phylogenetic analyses of combined LSU, ITS and TEF1-α sequence data also support these two species as distinct and confirm their phylogenetic affinities within the Tubeufiaceae. In particular, Kamalomyces shares a close phylogenetic relationship to Helicoma.
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Acknowledgements
We express sincere appreciations to Chiang Mai University, The Royal Golden Jubilee Ph. D. Program (PHD/0090/2551) under the Thailand Research Fund for financial support. Humidtropics, a CGIAR Research Program that aims to develop new opportunities for improved livelihoods in a sustainable environment and Mae Fah Luang University are also thanked for funding and laboratory work. K.D. Hyde and M. Doilom would like to thank National Research Council of Thailand (Mae Fah Luang University) grant no 60201000201 entitled “Diseases of mangrove trees and maintenance of good forestry practice” and Thailand Research Fund (TRF) grant no RSA5980068 entitled “Biodiversity, phylogeny and role of fungal endophytes on above parts of Rhizophora apiculata and Nypa fruticans”. S. Boonmee thanks the Thailand Research Fund, project number TRG5880152. We also thank to Wen Jing Li and International Fungal Research & Development Centre, Research Institute of Resource Insects, Chinese Academy of Forestry and Jun-Bo Yang and Plant Germplasm and Genomics Center in Germplasm Bank of Wild Species, Kunming Institute of Botany for the molecular laboratory support. Sinang Hongsanan and Olivier Raspé are thanked for their assistance in phylogenetic analyses. Shaun Pennycook is thanked for suggestion on fungal names. R Jeewon acknowledges the support of Mae Fah Luang University and University of Mauritius.
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Section Editor: Kevin Hyde and Christiane Baschien
This article is part of the “Special Issue on Freshwater Ascomycota”.
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Phookamsak, R., Lu, YZ., Hyde, K.D. et al. Phylogenetic characterization of two novel Kamalomyces species in Tubeufiaceae (Tubeufiales). Mycol Progress 17, 647–660 (2018). https://doi.org/10.1007/s11557-017-1365-2
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DOI: https://doi.org/10.1007/s11557-017-1365-2
Keywords
- Bambusicolous fungi
- Dothideomycetes
- New species
- Phylogeny
- Taxonomy