Contact details
Associate professor at the University of Reims Champagne-Ardenne
Laboratory of Oenology and Applied Chemistry – Research Unit on Grapevine and Wines in Champagne - URVVC EA4707
Phone: 00 33 3 26 91 80 63
E-mail: yann.vasserot@univ-reims.fr
Website : URVVC
Research activities
- Impact of yeasts exocelular proteases on wine proteome.
- Sensitivity of S. cerevisiae exocellular proteins to hydrolysis and impact on wine foaming properties.
- Study of macromolecules with foaming properties produced by non fementative yeasts isolated from grape skin.
- Study of yeasts isolated from grape skin with antagonistic activity against B. cinerea and Penicilium sp.
Key words
Proteins; proteases; yeasts; molds; foam; polysaccharides; biocontrol.
Teaching activities
- National Diploma of Enology : courses on wine microbiology (Alcoholic fermentation, malolactic fermentation), wine organoleptic defaults, technology of red wines elaboration, special wines and grape an wine byproducts.
- Master 2 Wine and Champagne : courses on wine microbiology
National and international programmes
Supervisor of three PhD students (two of them were paid by Champagne-Ardenne Region and the third on was paid by Syrian government).
International conferences
- 2009 : Jeandet, P., Capelli, S., Cirio, A., Laure, M. and Vasserot, Y. Oxygen management during disgorging.XXVII Congreso Internacional del Cava, Barcelone, Espagne.
- 2011 : B. Younes, C. Cilindre, P. Jeandet, Y. Vasserot. Extracellular Proteolytic Activity of Saccharomyces cerevisiae PlR1. The Impact on Heat-Sensitive Grape Proteins. IXème Symposium Internationald’Oenologie, Bordeaux, France
Main published papers
- 2003: Vasserot, Y., Dion, C., Bonnet, E., Tabary, I., Maujean, A. and Jeandet, P. Transport of glutamate in Oenococcus oeni 8403. International Journal of Food Microbiology, 85, 307-311
- 2010: Vasserot, Y., Mornet, F. and Jeandet, P. Acetic acid removal by Saccharomyces cerevisiae during fermentation in oenological conditions. Metabolic consequences. Food Chemistry, 119, 1220-1223
- 2011 : Younes, B., Villaume, S., Parmentier, M., Jeandet, P. and Vasserot, Y. Evidence for an Extracellular Acid Protease Activity Secreted by Living Cells of Saccharomyces cerevisiae PlR1. Impact on Grape Proteins. Journal of Agricultural and Food Chemistry, 59; 2652-2662.
- 2013: Younes, B., Cilindre, C., Jeandet, P. and Vasserot, Y. Enzymatic hydrolysis of thermo-sensitive grape proteins by a yeast protease as revealed by a proteomic approach.Food Research International, 54; 1298-1301