ArticleArchives of microbiology2024
Characteristic of new Phaffia rhodozyma yeast strains isolated from birch slime fluxes in Poland.
Article in Archives of microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Carotenoid production by Metschnikowia sp.: isolation from environmental samples and optimization of culture conditions.Biotechnology letters · 2026Article
- Rhodotorula and Phaffia: pigment producing basidiomycetous yeasts for application in aquaculture practices.Archives of microbiology · 2025Review
- Advances and trends for astaxanthin synthesis in Phaffia rhodozyma.Microbial cell factories · 2025Review
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Three new strains of Phaffia rhodozyma yeast have recently been isolated in Poland. The aim of this study was to phenotypically characterize these strains and to compare them with the properties of the reference strain. The potential for carotenoid biosynthesis in these strains was also determined, depending on temperature, carbon, and nitrogen sources in the medium. Phaffia rhodozyma yeasts were also identified by MALDI-TOF MS. There were minor differences in cell morphology among the strains. All strains reproduced asexually by budding and formed spherical chlamydospores. No ability for sexual reproduction was observed. Physiological tests showed minor variations between the reference strain and the isolates, likely due to the geographical specificity of the habitat from which they were originally isolated. Analysis of protein spectra showed that the tested yeast isolates had seven common peaks of different intensities, with masses at 2200, 2369, 3213, 3628, 3776, 3921, and 4710 m/z. Moreover, additional strain-dependent spectra were found. The amount of synthesized carotenoids varied with the carbon and nitrogen sources used, as well as the temperature. The best producer of carotenoids was the P. rhodozyma CMIFS 102 isolate.
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