killer yeast

killer yeast

a strain of yeast cells that contains a toxic protein that destroys other yeast strains.
References in periodicals archive ?
Figure 2 shows the inhibition zone formed by the killer yeast CB104126 isolated from grapes grown in the municipality of Colombo, Parana State, Brazil.
Monitoring of killer yeast populations in mixed cultures: influence of incubation temperature of microvinifications samples.
However, Silva (1996) insists that neutral yeasts may protect sensitive cells against killer toxin and the use of killer yeasts may be disadvantageous as they give to the winemakers a false sense of security, neglecting subsequent monitoring of some important issues related to microbiological precautions, which may be detrimental to the wine quality.
Research on killer yeasts and their toxins for industrial application is relatively new and is becoming increasingly interesting as they have many potential applications in medical, industrial and environmental biotechnology.
The ecological role of killer yeasts in natural communities of yeasts.
Discrimination between Candida albicans and other pathogenic species of the genus Candida by their differential sensitivities to toxins of a panel of killer yeasts.
Fazio MLS, Coelho AR, Hirooka EY, Pasnocca FC, Hoffmann FL (2008) Biocontrol by killer yeasts against Penicillium expansum with perspectives of application in the post-harvest fruits.
Campbell: We have used only native yeast for at least 15 years, although we occasionally add killer yeasts if we sense potential or encounter actual problems during fermentation.