A genetical and oenological analysis of some interspecific hybrids with recombinant and nonrecombinant mitochondrial genomes

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dc.contributor.advisorAntunovics, Zsuzsa
dc.contributor.authorKumagai, Yukino
dc.contributor.departmentDE--Természettudományi és Technológiai Kar--Biológiai és Ökológiai Intézet
dc.date.accessioned2025-06-17T13:10:34Z
dc.date.available2025-06-17T13:10:34Z
dc.date.created2025-04-30
dc.description.abstractThe interspecies hybrids of Saccharomyces cerevisiae and Saccharomyces uvarum have the possibility to overcome some issues, which wineries face, like the condition changes due to climate change or changes in client demand. In this research, the results indicated that the hybrids are polyploid, which means they have chromosome sets from their parental strains by karyotyping. Also, it was confirmed that some of them have recombinant mitochondrial DNA due to the result of RFLP. With some physiological tests, heterosis is confirmed based on the results, which demonstrate better traits of the hybrids compared to the parents. For example, the hybrids could undergo fermentation with more various sugars, or grow more efficiently under cold temperatures. Additionally, there are some differences between non-recombinant and recombinant mitochondrial DNA contained strains, such as different fermentation rates with disaccharide sugars, or the growth test with glycerol under warmer and colder temperatures. However, overall, the significant differences were not able to be observed in the physiological tests between non-recombinant and recombinant mitochondrial DNA-containing strains. Therefore, further research is required to understand the importance of mitochondrial DNA recombination in wine industry applications.
dc.description.courseBiology
dc.description.degreeBSc/BA
dc.format.extent32
dc.identifier.urihttps://hdl.handle.net/2437/393100
dc.language.isoen
dc.rights.infoHozzáférhető a 2022 decemberi felsőoktatási törvénymódosítás értelmében.
dc.subjectmicrobiology
dc.subjectinterspecies hybrids
dc.subjectyeasts
dc.subject.dspaceBiology
dc.titleA genetical and oenological analysis of some interspecific hybrids with recombinant and nonrecombinant mitochondrial genomes
dc.title.translatedA genetical and oenological analysis of some interspecific hybrids with recombinant and nonrecombinant mitochondrial genomes
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