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dc.contributor.authorVieira, Willie Anderson dos Santospt_BR
dc.contributor.authorCosta, Christiane Almeida dapt_BR
dc.contributor.authorVeloso, Josiene Silvapt_BR
dc.contributor.authorLima, Waléria Guerreiropt_BR
dc.contributor.authorCorreia, Kamila Câmarapt_BR
dc.contributor.authorMichereff, Sami Jorgept_BR
dc.contributor.authorPinho, Danilo Batistapt_BR
dc.contributor.authorCâmara, Marcos Paz Saraivapt_BR
dc.contributor.authorReis, Ailtonpt_BR
dc.date.accessioned2026-07-24T12:58:46Z-
dc.date.available2026-07-24T12:58:46Z-
dc.date.issued2024-12-9pt_BR
dc.identifier.citationVIEIRA, Willie Anderson dos Santos; COSTA, Christiane Almeida da; VELOSO, Josiene Silva; LIMA, Waléria Guerreiro; CORREIA, Kamila Câmara; MICHEREFF, Sami Jorge; PINHO, Danilo Batista; CÂMARA, Marcos Paz Saraiva; REIS, Ailton. Diversity of Colletotrichum species causing anthracnose in chayote in Brazil, with a description of two new species in the C. magnum complex. Journal of Fungi, [S. l.], v. 10, n. 12, 847, 2024. DOI: https://doi.org/10.3390/jof10120847. Disponível em: https://www.mdpi.com/2309-608X/10/12/847. Acesso em: 24 jul. 2026.pt_BR
dc.identifier.urihttps://doi.org/10.3390/jof10120847pt_BR
dc.identifier.urihttp://repositorio.unb.br/handle/10482/55494-
dc.publisherMDPI AGpt_BR
dc.rightsAcesso Abertopt_BR
dc.titleDiversity of Colletotrichum species causing anthracnose in chayote in Brazil, with a description of two new species in the C. magnum complexpt_BR
dc.typeArtigopt_BR
dc.subject.keywordChuchu-
dc.subject.keywordFilogenia-
dc.subject.keywordMorfologia-
dc.subject.keywordPatogenicidade-
dc.identifier.doihttps://doi.org/10.3390/jof10120847pt_BR
dc.description.abstract1Anthracnose caused by Colletotrichum species is the most important disease of chayote (Sicyos edulis) in Brazil. The etiology of chayote anthracnose has been assigned to the species C. orbiculare, an important plant pathogenic fungus also reported as the causal agent of anthracnose in other cucurbits worldwide. However, there is no recent survey of the Colletotrichum species causing anthracnose in chayote in Brazil. In this study, Colletotrichum isolates associated with anthracnose on the fruit and leaves of chayote, from various producing regions in Brazil, were collected and identified. Haplotype analysis based on sequences of the β-tubulin genomic region (TUB2) of 44 Colletotrichum isolates was carried out as a first measure of genetic diversity. A subset of 22 isolates were sequenced using the partial sequences of actin (ACT), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), and the rDNA ITS (ITS) region. Maximum likelihood analysis was performed using the concatenated sequences. The multilocus sequence analysis revealed four previously described species, Colletotrichum chrysophilum, C. menezesiae, C. plurivorum, and C. karsti, and two novel species, named C. cucurbitacearum and C. sicyi. All species were able to induce typical symptoms of anthracnose in chayote fruits but varied in their aggressiveness. The species C. menezesiae and C. sicyi were the most aggressive, while C. plurivorum was the least aggressive. The species C. orbiculare was not found to cause chayote anthracnose in Brazil.pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0524-7710pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-2624-302Xpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-7930-7886pt_BR
dc.contributor.affiliationUniversidade de Brasília, Departamento de Fitopatologiapt_BR
dc.contributor.affiliationUniversidade Federal Rural de Pernambuco, Departamento de Agronomiapt_BR
dc.contributor.affiliationUniversidade Federal Rural de Pernambuco, Departamento de Agronomiapt_BR
dc.contributor.affiliationAFYA, Faculdade de Ciências Médicas, Jaboatao do Guarapespt_BR
dc.contributor.affiliationUniversidade Federal do Cariri, Centro de Ciências Agrárias e da Biodiversidadept_BR
dc.contributor.affiliationUniversidade Federal do Cariri, Centro de Ciências Agrárias e da Biodiversidadept_BR
dc.contributor.affiliationUniversidade de Brasília, Departamento de Fitopatologiapt_BR
dc.contributor.affiliationUniversidade Federal Rural de Pernambuco, Departamento de Agronomiapt_BR
dc.contributor.affiliationUniversidade Federal Rural de Pernambuco, Departamento de Agronomiapt_BR
dc.contributor.affiliationEmbrapa Hortaliças, Laboratório de Fitopatologiapt_BR
dc.description.unidadeInstituto de Ciências Biológicas (IB)-
dc.description.unidadeDepartamento de Fitopatologia (IB FIT)-
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