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Fusarium massalimae sp. nov. (F. lateritium species complex) occurs endophytically in leaves of Handroanthus chrysotrichus

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Abstract

Fusarium isolates obtained as endophytes from healthy leaves of Handroanthus chrysotrichus (Bignoniaceae) in the Atlantic Forest of north-eastern Brazil were characterised morphologically and phylogenetically on the basis of partial rDNA sequences encompassing the second largest subunit of RNA polymerase II, translation elongation factor EF-1 alpha, and β-tubulin genes. A novel species within the Fusarium lateritium species complex (FLSC) is described as Fusarium massalimae. Isolates of F. pseudocircinatum of the Fusarium fujikuroi species complex (FFSC) were also isolated as endophytes from leaves of H. chrysotrichus. Mating type gene analyses suggested that obtained isolates of F. massalimae and F. pseudocircinatum are heterothallic.

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Acknowledgements

Ana C. Silva Santos thanks the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) − Brazil for a postdoctoral fellowship. Jadson D.P. Bezerra also thanks the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES, Finance Code 001) and the Fundação de Amparo a Ciência e Tecnologia de Pernambuco (FACEPE) for a postdoctoral fellowship (2017−2019). Anthony D. Cavalcanti thanks the Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) for the botanical material collection licenses. We would also like to thank the Project team, especially Andressa Vieira da Silva (MSc) for her help during plant collection, and to Dr. Hans-Josef Schroers and the three anonymous reviewers for their comments on earlier versions of this manuscript.

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Funding

This study was financed in part by the project “Biologia da conservação de fungos sensu lato em áreas de Mata Atlântica do Nordeste brasileiro” approved by the CNPq and Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) – Finance Code 421241/2017-9. This research also received financial support from the project “Micoteca URM: caracterização e disponibilização do acervo como fonte de recursos microbiológicos”, approved by the FACEPE – Finance Code APQ-0143-2.12/15.

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Correspondence to Jadson D. P. Bezerra or Oliane Maria Correia Magalhães.

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Section Editor: Hans-Josef Schroers

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Cavalcanti, A.D., da Silva Santos, A.C., de Oliveira Ferro, L. et al. Fusarium massalimae sp. nov. (F. lateritium species complex) occurs endophytically in leaves of Handroanthus chrysotrichus. Mycol Progress 19, 1133–1142 (2020). https://doi.org/10.1007/s11557-020-01622-3

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  • DOI: https://doi.org/10.1007/s11557-020-01622-3

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