Abstract
Caves are underground and natural environments mainly found in rocky terrain. Caves have a very specific microclimate, which benefits the occurrence of specific fungi. In recent studies, researchers have observed that caves harbour a great diversity of fungi. However, studies on fungal diversity in Brazilian caves are still incipient. In September 2019, airborne spore and soil samples were collected from the Monte Cristo cave, in the Southern Espinhaço Range, Diamantina, Minas Gerais state, Brazil. Two Cladosporium single‐spore isolates, among other genera, were obtained from these samples. This study aimed to characterise these two fungal isolates based on their DNA sequence data and morphology. Phylogenetic analyses of the rDNA-ITS, ACT and TEF1-α loci revealed that the isolates belonged to the Cladosporium cladosporioides species complex. Both isolates did not cluster with any known species and were formally described and named herein as C. diamantinense and C. speluncae. This study presents taxonomic novelties and contributes to the knowledge about the fungal diversity in Brazilian caves.
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Data availability
DNA sequences generated in this study are available in GenBank (https://www.ncbi.nlm.nih.gov/genbank).
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Acknowledgements
We thank colleagues of the Laboratório de Micologia e Etiologia de Doenças Fúngicas de Plantas/UFV for their collaboration during the conception of this work.
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This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Brasil (CAPES, Finance Code 001), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG-VALE RDP-00017–18).
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A. W. C. R., A. F. L., T. O. C. and O. L. P. collected the samples. S. d. C. N. and L. M. S. F. carried out the caving and sampling. Y. L. G. D. processed the samples, carried out the fungal isolations, extracted DNA and did amplifications with the help of A. F. L., A. W. C. R. and T. O. C. T. O. C., A. W. C. R., Y. L. G. D. and O. L. P carried out the phylogenetic analyses and data interpretation. M. C. M. K. and O. L. P. conceived and designed the research project. A. W. C. R. and Y. L. G. D. wrote the manuscript with input from all authors.
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Dutra, Y.L.G., Rosado, A.W.C., Condé, T.O. et al. Two new Cladosporium species from a quartzite cave in Brazil. Braz J Microbiol 54, 3021–3031 (2023). https://doi.org/10.1007/s42770-023-01156-2
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DOI: https://doi.org/10.1007/s42770-023-01156-2