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New lager yeast strains generated by interspecific hybridization

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Krogerus, Kristoffer
dc.contributor.author Magalhães, Frederico
dc.contributor.author Vidgren, Virve
dc.contributor.author Gibson, Brian
dc.date.accessioned 2018-12-10T10:15:54Z
dc.date.available 2018-12-10T10:15:54Z
dc.date.issued 2015-05-01
dc.identifier.citation Krogerus , K , Magalhães , F , Vidgren , V & Gibson , B 2015 , ' New lager yeast strains generated by interspecific hybridization ' , Journal of Industrial Microbiology and Biotechnology , vol. 42 , no. 5 , pp. 769-778 . https://doi.org/10.1007/s10295-015-1597-6 en
dc.identifier.issn 1367-5435
dc.identifier.issn 1476-5535
dc.identifier.other PURE UUID: 45b44016-cc66-4311-bccd-89ab3bdb3269
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/new-lager-yeast-strains-generated-by-interspecific-hybridization(45b44016-cc66-4311-bccd-89ab3bdb3269).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84939968287&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/29767173/Krogerus2015_Article_NewLagerYeastStrainsGeneratedB.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/35021
dc.description.abstract The interspecific hybrid Saccharomyces pastorianus is the most commonly used yeast in brewery fermentations worldwide. Here, we generated de novo lager yeast hybrids by mating a domesticated and strongly flocculent Saccharomyces cerevisiae ale strain with the Saccharomyces eubayanus type strain. The hybrids were characterized with respect to the parent strains in a wort fermentation performed at temperatures typical for lager brewing (12 °C). The resulting beers were analysed for sugar and aroma compounds, while the yeasts were tested for their flocculation ability and α-glucoside transport capability. These hybrids inherited beneficial properties from both parent strains (cryotolerance, maltotriose utilization and strong flocculation) and showed apparent hybrid vigour, fermenting faster and producing beer with higher alcohol content (5.6 vs 4.5 % ABV) than the parents. Results suggest that interspecific hybridization is suitable for production of novel non-GM lager yeast strains with unique properties and will help in elucidating the evolutionary history of industrial lager yeast. en
dc.format.extent 10
dc.format.extent 769-778
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Journal of Industrial Microbiology and Biotechnology en
dc.relation.ispartofseries Volume 42, issue 5 en
dc.rights openAccess en
dc.subject.other Biotechnology en
dc.subject.other Applied Microbiology and Biotechnology en
dc.subject.other 215 Chemical engineering en
dc.title New lager yeast strains generated by interspecific hybridization en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Biotechnology and Chemical Technology
dc.contributor.department VTT Technical Research Centre of Finland
dc.contributor.department Department of Bioproducts and Biosystems en
dc.subject.keyword Brewing
dc.subject.keyword Heterosis
dc.subject.keyword Hybrid
dc.subject.keyword Lager yeast
dc.subject.keyword Mating
dc.subject.keyword S. eubayanus
dc.subject.keyword Biotechnology
dc.subject.keyword Applied Microbiology and Biotechnology
dc.subject.keyword 215 Chemical engineering
dc.identifier.urn URN:NBN:fi:aalto-201812106036
dc.identifier.doi 10.1007/s10295-015-1597-6
dc.type.version publishedVersion

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