Spathaspora marinasilvae sp. nov., a xylose‐fermenting yeast isolated from galleries of passalid beetles and rotting wood in the Amazonian rainforest biome

Author:

Barros Katharina O.1ORCID,Batista Thiago M.2ORCID,Soares Rafaela C. C.1,Lopes Mariana R.1,Alvarenga Flávia B. M.1,Souza Gisele F. L.1,Abegg Maxwel A.3,Santos Ana Raquel O.1ORCID,Góes‐Neto Aristóteles1,Hilário Heron O.4ORCID,Moreira Rennan G.5,Franco Glória R.6,Lachance Marc‐André7ORCID,Rosa Carlos A.1ORCID

Affiliation:

1. Departamento de Microbiologia, ICB, C.P. 486 Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil

2. Centro de Formação em Ciências Ambientais, C.P. 108, Universidade Federal do Sul da Bahia Porto Seguro Bahia Brazil

3. Institute of Exact Sciences and Technology (ICET) Federal University of Amazonas (UFAM) Itacoatiara Brazil

4. Laboratório de Genética da Conservação, PPG Biologia dos Vertebrados Pontifícia Universidade Católica de Minas Gerais Contagem Minas Gerais Brazil

5. Laboratorio Multiusuário de Genômica, ICB, C.P. 486, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil

6. Departamento de Bioquímica e Imunologia, ICB, C.P. 486 Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil

7. Department of Biology University of Western Ontario London Ontario Canada

Abstract

AbstractFour yeast isolates were obtained from rotting wood and galleries of passalid beetles collected in different sites of the Brazilian Amazonian Rainforest in Brazil. This yeast produces unconjugated allantoid asci each with a single elongated ascospore with curved ends. Sequence analysis of the internal transcribed spacer‐5.8 S region and the D1/D2 domains of the large subunit ribosomal RNA (rRNA) gene showed that the isolates represent a novel species of the genus Spathaspora. The novel species is phylogenetically related to a subclade containing Spathaspora arborariae and Spathaspora suhii. Phylogenomic analysis based on 1884 single‐copy orthologs for a set of Spathaspora species whose whole genome sequences are available confirmed that the novel species represented by strain UFMG‐CM‐Y285 is phylogenetically close to Sp. arborariae. The name Spathaspora marinasilvae sp. nov. is proposed to accommodate the novel species. The holotype of Sp. marinasilvae is CBS 13467 T (MycoBank 852799). The novel species was able to accumulate xylitol and produce ethanol from  d‐xylose, a trait of biotechnological interest common to several species of the genus Spathaspora.

Publisher

Wiley

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