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Sheppard2018 - Toxic Activity of K1 Killer Yeast Protein


ABSTRACT: This is a deterministic model built using COPASI. It simulates the toxin activity of K1 toxin produced by Saccharomyces cerevisiae from inoculation through to toxin-induced cell death of a population of susceptible S.cerevisiae. The model can be used to track the kinetics of toxin action via either its primary action pathway seen at high concentrations or its secondary action pathway, via induced apoptosis, seen at low concentrations.

SUBMITTER: Sean Sheppard  

PROVIDER: MODEL1804230001 | BioModels | 2019-03-21

REPOSITORIES: BioModels

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Publications

Dynamic modelling of the killing mechanism of action by virus-infected yeasts.

Sheppard Sean S   Dikicioglu Duygu D  

Journal of the Royal Society, Interface 20190301 152


Killer yeasts are microorganisms, which can produce and secrete proteinaceous toxins, a characteristic gained via infection by a virus. These toxins are able to kill sensitive cells of the same or a related species. From a biotechnological perspective, killer yeasts are beneficial due to their antifungal/antimicrobial activity, but also regarded as problematic for large-scale fermentation processes, whereby those yeasts would kill starter cultures species and lead to stuck fermentations. Here, w  ...[more]

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