ArticleArchives of microbiology2022
Purification and characterization of a Metschnikowia pulcherrima killer toxin with antagonistic activity against pathogenic microorganisms.
Article in Archives of microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- Evaluating yeasts as biocontrol agents against pathogenic and spoilage microorganisms in agri-food: action of volatile organic compounds (VOCs).Applied microbiology and biotechnology · 2026Article
- Microbiota and quality profiling of fermented goat meat sausages (sucuk) under nitrite-reduced and mixed-culture strategies.World journal of microbiology & biotechnology · 2026Article
- Mitochondrial complex III subunit Qcr8 regulates the virulence and adhesion ofMicrobiology spectrum · 2026Article
- Identification and functional characterization of a novel thioredoxin MpTRX1 from Metschnikowia persimmonesis.Applied microbiology and biotechnology · 2025Article
- Diversity and Functional Potential of Yeasts Inhabiting Honey Bee Drones.Microorganisms · 2025Article
- Bioprotection withMicroorganisms · 2025Article
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- The KillerMicroorganisms · 2024Review
- Competition for Nitrogen Resources: An Explanation of the Effects of a Bioprotective StrainFoods (Basel, Switzerland) · 2024Article
- Bioprotection Efficiency ofFoods (Basel, Switzerland) · 2023Article
- Bio-protection in oenology byFrontiers in microbiology · 2023Review
- Molecular and Physiological Diversity of Indigenous Yeasts Isolated from Spontaneously Fermented Wine Wort from Ilfov County, Romania.Microorganisms · 2022Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
Abstract
Yeasts can produce toxins in protein or glycoprotein structures that can act as an inhibitor on some bacteria and yeast species. The effects of those toxins on the growth of pathogenic and food spoilage microorganisms are subject to various studies. Metschnikowia pulcherrima was determined to be a killer toxin-producing yeast that was tested against three selected microorganisms, namely Escherichia coli Type-I, Micrococcus luteus and Candida albicans. The killer toxin only showed inhibitory activity against M. luteus. Different pH (5-6-7-8), temperature (20-25-30-35 °C) and carbon source (glucose-glycerol-ethanol-acetate) combinations were applied to stimulate the growth and toxin production of the killer yeast. The greatest increase among the different combinations was obtained at 20 °C and pH 7 when glycerol was used as the main carbon source. It was then also tested against other pathogen indicators or pathogens under these conditions. The killer toxin was partially purified by ethanol precipitation and showed inhibitory activity against M. luteus (36 mm). According to the protein profile obtained by SDS-PAGE, the molecular weight of the inhibitor toxin was measured about 7.4 kDa. The molecular weight with amino acid sequence of the killer toxin was 10.3 kDa and determined by MALDI-TOF mass spectrometry.
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