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Molecular phylogenetic analyses support the validity of Ceratiomyxa porioides (Amoebozoa, Eumycetozoa) at species level

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Autor(es):
Fry, Nicholas W. ; Jones, Robert E. ; Blandenier, Quentin ; Tice, Alexander K. ; Porfirio-Sousa, Alfredo L. ; Kleitz-Singleton, Felicity ; Henderson, Tristan C. ; Brown, Matthew W.
Número total de Autores: 8
Tipo de documento: Artigo Científico
Fonte: EUROPEAN JOURNAL OF PROTISTOLOGY; v. 94, p. 7-pg., 2024-04-18.
Resumo

The frequently encountered macroscopic slime molds of the genus Ceratiomyxa have long been recognized by mycologists and protistologists for hundreds of years. These organisms are amoebozoan amoebae that live and grow inside and on the surface of decaying wood. When conditions are favorable, they form subaerial sporulating structures called fruiting bodies which take on a variety of forms. These forms are typically some arrangement of column and/or branches, but one is uniquely poroid, forming folds instead. Originally, this poroid morphology was designated as its own species. However, it was not always clear what significance fruiting body morphology held in determining species. Currently, Ceratiomyxa fruticulosa var. porioides, the poroid form, is considered a taxonomic variety of Ceratiomyxa fruticulosa based on morphological designation alone. Despite its long history of observation and study, the genus Ceratiomyxa has been paid little molecular attention to alleviate these morphological issues. We have obtained the first transcriptomes of the taxon C. fruticulosa var. porioides and found single gene phylogenetic and multigene phylogenomic support to separate it from C. fruticulosa. This provides molecular evidence that fruiting body morphology does correspond to species level diversity. Therefore, we formally raise Ceratiomyxa porioides to species level. (AU)

Processo FAPESP: 19/22692-8 - Desvendando o aparato molecular envolvido no processo de formação de carapaça em tecamebas (Amoebozoa:Arcellinida)
Beneficiário:Alfredo Leonardo Porfirio de Sousa
Modalidade de apoio: Bolsas no Brasil - Doutorado
Processo FAPESP: 21/09529-0 - Desenvolvimento de uma ferramenta para expressão de GFP em células vivas do eucarionte Arcella intermedia, para determinar o envolvimento de Rab-GTPases no processo de formação de carapaça
Beneficiário:Alfredo Leonardo Porfirio de Sousa
Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Doutorado