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Dos Santos MDDM, Guterres DC, Sepúlveda-Chavera GF, Souza ESDC, Pereira-Carvalho RDC, Pinho DB, Dianese JC. New genus of trichomatous coelomycete on Myrcia fenzliana from the Brazilian Cerrado. Mycologia 2020; 113:231-244. [PMID: 33327878 DOI: 10.1080/00275514.2020.1822094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Megacoelomyces (type species: Megacoelomyces sanchezii), an ascomycete asexual morph infecting Myrcia fenzliana (Myrtaceae) from the Brazilian Cerrado, is described as a new genus in the Phaeosphaeriaceae (Pleosporales, Dothideomycetes, Ascomycota), based on multilocus phylogeny (three nuclear ribosomal DNA and two protein-coding genes) in addition to morphological (light and scanning electron microscopy) and ecological data.
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Affiliation(s)
| | - Debora Cervieri Guterres
- Departamento de Fitopatologia, Universidade Federal de Viçosa , Viçosa, Minas Gerais, 36570-000, Brazil
| | - German F Sepúlveda-Chavera
- Departamento de Recursos Ambientales, Universidad de Tarapacá , Avenida General Velasquez 1775, Arica, Chile
| | - Erica Santos do Carmo Souza
- Departamento de Biologia Celular/Biologia Microbiana, Universidade de Brasília, Campus Darcy Ribeiro , Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil
| | - Rita de Cassia Pereira-Carvalho
- Departamento de Fitopatologia, Universidade de Brasília, Campus Darcy Ribeiro , Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil
| | - Danilo Batista Pinho
- Departamento de Fitopatologia, Universidade de Brasília, Campus Darcy Ribeiro , Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil
| | - José Carmine Dianese
- Departamento de Biologia Celular/Biologia Microbiana, Universidade de Brasília, Campus Darcy Ribeiro , Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil.,Departamento de Fitopatologia, Universidade de Brasília, Campus Darcy Ribeiro , Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil
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Guterres DC, Galvão-Elias S, Dos Santos MDDM, de Souza BCP, de Almeida CP, Pinho DB, Miller RNG, Dianese JC. Phylogenetic relationships of Phaeochorella parinarii and recognition of a new family, Phaeochorellaceae (Diaporthales). Mycologia 2019; 111:660-675. [PMID: 31150307 DOI: 10.1080/00275514.2019.1603025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Species of Phaeochorella are biotrophic leaf parasites with a tropical distribution, traditionally accepted in the family Phyllachoraceae, Phyllachorales in classifications based on morphological characters. Phylogenetic evidence presented here resolves the relationship of Phaeochorella within the Sordariomycetes, based on a multilocus analysis of partial nuc rDNA large subunit (28S) and internal transcribed spacers (ITS1-5.8S-ITS2 = ITS), the DNA-directed RNA polymerase II second largest subunit (RPB2), and the translation elongation factor 1-α (TEF1-α) gene. Phylogenetic analyses indicate that Phaeochorella belongs to the Diaporthales rather than the Phyllachorales. Phaeochorella parinarii, the type species of the genus, present on native hosts from the Brazilian Cerrado, forms a unique clade with a species of Phaeoappendicospora with high support. Thus, a new family, Phaeochorellaceae, Diaporthales, including both genera, is herein proposed. With the exception of P. parinarii and P. zonata, all other species in Phaeochorella (P. artocarpi, P. ciliata, P. machaerii) were excluded from the genus.
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Affiliation(s)
- Debora Cervieri Guterres
- a Departamento de Fitopatologia, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
| | - Samuel Galvão-Elias
- b Departamento de Biologia Celular, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
| | | | | | - Camila Pereira de Almeida
- d Departamento de Farmácia, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
| | - Danilo Batista Pinho
- a Departamento de Fitopatologia, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
| | - Robert Neil Gerard Miller
- a Departamento de Fitopatologia, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil.,b Departamento de Biologia Celular, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
| | - José Carmine Dianese
- a Departamento de Fitopatologia, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil.,b Departamento de Biologia Celular, Universidade de Brasília , 70910-900 , Brasília , Distrito Federal , Brazil
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