期刊
MOLECULES
卷 27, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/molecules27061855
关键词
Metschnikowia; pulcherrimin; water affinity; antibiofilm; protection; UV-C light; temperature
资金
- Scientific Grant Agency of Ministry of Education, Science, Research and Sport of Slovak Republic
- Slovak Academy of Sciences [VEGA 2/0017/18]
Pulcherrimin is a secondary metabolite of yeasts that has antimicrobial and antiadhesive properties, as well as cell-protective abilities under stressful conditions.
Pulcherrimin is a secondary metabolite of yeasts belonging to the Metschnikowia pulcherrima clade, and pulcherrimin formation is responsible for the antimicrobial action of its producers. Understanding the environmental function of this metabolite can provide insight into various microbial interactions and enables the efficient development of new effective bioproducts and methods. In this study, we evaluated the antimicrobial and antiadhesive action of yeast pulcherrimin, as well as its protective properties under selected stressful conditions. Classical microbiological plate methods, microscopy, and physico-chemical testing were used. The results show that pure pulcherrimin does not have antimicrobial properties, but its unique hydrophilic nature may hinder the adhesion of hydrophilic bacterial cells to abiotic surfaces. Pulcherrimin also proved to be a good cell protectant against UV-C radiation at both high and low temperatures.
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