Cell-to-cell contact mechanism modulates Starmerella bacillaris death in mixed culture fermentations with Saccharomyces cerevisiae

International Journal of Food Microbiology
Vasileios EnglezosLuca Cocolin

Abstract

The use of mixed culture fermentations with selected Starmerella bacillaris and Saccharomyces cerevisiae strains is gaining winemaking attention, mainly due to their ability to enhance particular characteristics in the resulting wines. In this context, yeast interspecies interactions during fermentation have a fundamental role to determine the desired product characteristics, since they may modulate yeast growth and as a consequence metabolite production. In order to get an insight into these interactions, the growth and death kinetics of the abovementioned species were investigated in pure and mixed culture fermentations, using cv. Nebbiolo grape must. Trials were conducted in flasks but also in a double-compartment fermentation system in which cells of the two species were kept separate by a filter membrane. Although the two species had similar growth pattern during the first days of fermentation, Starm. bacillaris died earlier when tested in the flask than in the double-compartment fermentor. The early death of Starm. bacillaris seemed to be not caused by nutrient limitation nor by accumulation of growth inhibitory compounds (which were not measured in the present study). Rather, cell-to-cell contact mechanism, dependent on ...Continue Reading

References

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Jun 4, 2013·International Journal of Food Microbiology·Benedetta PerroneKalliopi Rantsiou
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May 10, 2015·International Journal of Food Microbiology·Chunxiao WangBraulio Esteve-Zarzoso
Jun 13, 2015·Critical Reviews in Food Science and Nutrition·Youzhong LiuHervé Alexandre
Mar 11, 2016·Applied Microbiology and Biotechnology·Vasileios EnglezosLuca Cocolin
May 6, 2016·Frontiers in Microbiology·Maurizio CianiPatrizia Romano
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Sep 1, 2016·Food Research International·Francesco CraveroLuca Cocolin

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Citations

Jun 25, 2020·Microbial Biotechnology·Ana MencherRamon Gonzalez
Nov 30, 2018·Frontiers in Bioengineering and Biotechnology·Bahareh BagheriMathabatha Evodia Setati
Apr 10, 2021·Applied Microbiology and Biotechnology·C G ConacherF F Bauer
Jul 25, 2021·International Journal of Molecular Sciences·Francesca ComitiniMaurizio Ciani

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