Abstract
Botryotrichum iranicum (Chaetomiaceae) and Trematosphaeria magenta (Trematosphaeriaceae) are newly described from soils of Hyrcanian forests in the Mazandaran Province, Iran. Both species were distinguished from their closest known species based on multi-locus phylogenetic analysis and morphological characteristics. Botryotrichum iranicum is characterized by sympodially proliferating conidiophores, cylindrical and hyaline conidiogenous cells, hyaline, roughened, solitary conidia with distinctly visible hila and not forming asexual stage and sterile setae. Phylogenetic analyses of ITS, LSU sequences, and sequences part of the beta-tubulin gene support the recognition of this fungus as a new species. Trematosphaeria magenta is characterized by ostiolate pycnidia that are larger than those of closely related other Trematosphaeria species. This species also differs from other species in having longer conidiophores and hyaline and variably shaped, elliptical, ovoid ellipsoidal to allantoid conidia. Phylogenetic analyses inferred from combined ITS, SSU, LSU, and RPB2 sequences indicated that T. magenta is the phylogenetic sister to T. pertusa, type species of Trematosphaeria. Detailed descriptions and illustrations of both new species are provided.
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Acknowledgments
The authors would like to thank all staff of the Microbial Biotechnology Department, Agricultural Biotechnology Research Institute of Iran (ABRII), for their kind technical help.
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This research was supported by a grant from Agricultural Biotechnology Research institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Amin Alidadi and Sepideh Akbari Vala. The first draft of the manuscript was written by Gholamreza Salehi Jouzani and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Alidadi, A., Vala, S.A. & Jouzani, G.S. Botryotrichum iranicum sp. nov. and Trematosphaeria magenta sp. nov. as two new species from Iran. Mycol Progress 19, 1575–1586 (2020). https://doi.org/10.1007/s11557-020-01648-7
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DOI: https://doi.org/10.1007/s11557-020-01648-7