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Volume 69, Issue 10

sp. nov., a thermotolerant yeast isolated from distillery effluent Free

Abstract

Ethanol production at high temperatures has garnered much interest in recent years and a key factor is the availability of thermotolerant yeasts. During an investigation on the diversity of thermotolerant yeasts from different habitats, a novel yeast species from the spent wash of a distillery unit associated with a sugar factory was isolated. Phylogenetic analysis of D1/D2 large subunit and ITS rRNA genes placed this species in the ascomycetous genus . The novel species can be distinguished from the closely related species using these rRNA gene regions. The cells of the new species are ovoid to ellipsoid with a diameter of 3.5–6.0×2.4–3.10 µm, while cells are cylindrical with a cell diameter of 1.5–3.0×6–23 µm. This novel species represents, together with , one of the two most thermotolerant yeast species in the genus , able to grow at 42 °C sp. nov. is proposed during this study.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): distillery effluent , new yeast species , Saccharomycetes yeast , thermotolerant and Wickerhamiella
© 2019 IUMS
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2019-10-01
2024-05-04
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Wickerhamiella shivajii sp. nov., a thermotolerant yeast isolated from distillery effluent
Int J Syst Evol Microbiol 69, 3262 (2019); https://doi.org/10.1099/ijsem.0.003616
/content/journal/ijsem/10.1099/ijsem.0.003616
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