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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Monitoring of the influence of using indigenous yeasts for wine production in the conditions of winery
 Beníčková, Romana ; Vadkertiová, Renata (referee) ; Vránová, Dana (advisor)
This thesis deals with identification of yeasts by applying the RFLP-PCR method. Objective of the thesis was to identify the yeasts present in wine from Grüner Veltliner during fermentation. Identification was made by amplification of 5,8S-ITS sequences of DNA by the polymerase chain reaction with primers ITS1 and ITS4. Amplified DNA was submitted to the restriction analysis by restriction endonuclease HaeIII, HinfI and HhaI. By restriction analysis with a specific enzyme, the amplified DNA is chopped into the specific fragments which are characteristic for given kind of yeasts. In the analysed wine, the dominance of autochthonal yeast Saccharomyces cerevisiae was confirmed throughout fermentation. The other identified yeasts in the wine were of kind Pichia. The second part of the thesis was to expand the database by characterization of 28 type-yeasts, using RFLP-PCR analysis. To compare the genetic similarity, program BioNumerics was used, which processed the results of UPGMA cluster analysis using Jaccard´s coefficients.
Detailed record
Monitoring of the influence of using indigenous yeasts for wine production in the conditions of winery
 Beníčková, Romana ; Vadkertiová, Renata (referee) ; Vránová, Dana (advisor)
This thesis deals with identification of yeasts by applying the RFLP-PCR method. Objective of the thesis was to identify the yeasts present in wine from Grüner Veltliner during fermentation. Identification was made by amplification of 5,8S-ITS sequences of DNA by the polymerase chain reaction with primers ITS1 and ITS4. Amplified DNA was submitted to the restriction analysis by restriction endonuclease HaeIII, HinfI and HhaI. By restriction analysis with a specific enzyme, the amplified DNA is chopped into the specific fragments which are characteristic for given kind of yeasts. In the analysed wine, the dominance of autochthonal yeast Saccharomyces cerevisiae was confirmed throughout fermentation. The other identified yeasts in the wine were of kind Pichia. The second part of the thesis was to expand the database by characterization of 28 type-yeasts, using RFLP-PCR analysis. To compare the genetic similarity, program BioNumerics was used, which processed the results of UPGMA cluster analysis using Jaccard´s coefficients.
Detailed record

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