Electron microscopy studies of basidiosporogenesis in agaricus brasiliensis

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorHerreira, Karina Marjorie Silva-
Autor(es): dc.creatorAlves, Eduardo-
Autor(es): dc.creatorCosta, Maurício Dutra-
Autor(es): dc.creatorDias, Eustáquio Souza-
Data de aceite: dc.date.accessioned2026-02-09T11:08:41Z-
Data de disponibilização: dc.date.available2026-02-09T11:08:41Z-
Data de envio: dc.date.issued2018-01-31-
Data de envio: dc.date.issued2018-01-31-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/28519-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1134729-
Descrição: dc.descriptionThe objective of this work was to study the basidiosporogenesis and the intraspecific variation in the number of basidiospores produced per basidium in Agaricus brasiliensis with transmission (TEM) and scanning electron microscopy (SEM). A. brasiliensis produces predominantly tetrasporic basidia, but this trait may vary depending on the strain. For certain strains, such as CS2 and CS7, the frequency of bisporic and trisporic basidia was similar to, or greater than, that of tetrasporic strains. These results suggest that some strains of A. brasiliensis may be amphithallic; however, this behavior is variable and strain dependent. The development of basidia and basidiospores occurs asynchronously during basidiocarp production. The basidiospore cell wall is composed of three distinct layers and presents variable thickness. The conspicuous presence of lipid bodies also was observed in the basidiospores, while nuclei, mitochondria, vacuoles and dolipore septa could be visualized only in the basidia. The basidiospores generally are produced free but also may be enveloped by an extracellular matrix with unknown chemical composition. The presence of connection hyphae linking the basidia was observed for the first time in A. brasiliensis. This characteristic, so far not reported for other fungi, may represent a specific strategy of A. brasiliensis for exchanging nuclei and other cell material between basidial cells during basidiosporogenesis.-
Idioma: dc.languageen-
Publicador: dc.publisherTaylor and Francis Online-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceMycologia-
Palavras-chave: dc.subjectBasidiospore production-
Palavras-chave: dc.subjectFungal morphology-
Palavras-chave: dc.subjectFungi ultrastructure-
Palavras-chave: dc.subjectMushroom-
Título: dc.titleElectron microscopy studies of basidiosporogenesis in agaricus brasiliensis-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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