f. a., sp. nov. and f. a., sp. nov., two yeast species isolated from passalid beetles and rotting wood in Amazonia.

Int J Syst Evol Microbiol

Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil.

Published: April 2023

AI Article Synopsis

  • * The first species is identified as f. a., sp. nov., distinguished by genetic differences from related species through specific DNA sequences.
  • * The second species, also f. a., sp. nov., is described based on additional isolates and shows similarities to various undescribed species, indicating a connection to the ecological environment of the beetles.

Article Abstract

Sixteen yeast isolates representing two novel species of the genus were obtained from passalid beetles, their galleries and rotting wood collected in three sites of Amazonian Forest in Brazil. Sequence analyses of the ITS-5.8S region and the D1/D2 domains of the large subunit rRNA gene showed that the first species, described here as f. a., sp. nov. (holotype CBS 18112, MycoBank 847461) is phylogenetically related to with these species differing by 37 nucleotide substitutions and six gaps in D1/D2 sequences. is represented by nine isolates obtained from the guts of the passalid beetles , , and , a beetle gallery and rotting wood. The second species, f. a., sp. nov. (holotype CBS 18148, MycoBank 847463), is most phylogenetically related to several undescribed species. is described based on seven isolates obtained from the guts of and , a beetle gallery and rotting wood. Both species appear to be associated with passalid beetles and their ecological niches in Amazonian biome.

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Source
http://dx.doi.org/10.1099/ijsem.0.005839DOI Listing

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