ArticleFEMS yeast research2016
Maltose and maltotriose utilisation by group I strains of the hybrid lager yeast Saccharomyces pastorianus.
Article in FEMS yeast research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 70 citations in OpenAlex.
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- Maltose and Maltotriose Transporters in Brewer'sInternational journal of molecular sciences · 2025Review
- Computational analysis of polymorphic residues in maltose and maltotriose transporters of a wildOpen life sciences · 2025Article
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- Comparative analysis of malt quality and starch characteristics of three South Korean barley cultivars.Food science and biotechnology · 2024Article
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- Carbon and nitrogen sources consumption by ale and lager yeast strains: a comparative study during fermentation.Applied microbiology and biotechnology · 2023Article
- Mosaic Genome of a British Cider Yeast.International journal of molecular sciences · 2023Article
- Natural Variation in Diauxic Shift between PatagonianmSystems · 2022Article
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- The Impact of Dry Yeast Rehydrated in Different Plasma Treated Waters (PTWs) on Fermentation Process and Quality of Beer.Foods (Basel, Switzerland) · 2022Article
- Aneuploidy influences the gene expression profiles in Saccharomyces pastorianus group I and II strains during fermentation.PLoS genetics · 2022Article
- Rapid selection response to ethanol in Saccharomyces eubayanus emulates the domestication process under brewing conditions.Microbial biotechnology · 2022Article
- BeyondFrontiers in microbiology · 2022Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Brewer's wort is a challenging environment for yeast as it contains predominantly α-glucoside sugars. There exist two subgroups of the lager yeast Saccharomyces pastorianus which differ in sugar utilisation. We performed wort fermentations and compared representative strains from both groups with respect to their ability to transport and ferment maltose and maltotriose. Additionally, we mapped the transporters MALx1, AGT1, MPHx and MTT1 by Southern blotting. Contrary to previous observations, group I comprises a diverse set of strains, with varying ability to transport and ferment maltotriose. Of the eight group I strains, three efficiently utilised maltotriose, a property enabled by the presence of transmembrane transporters SeAGT1 and MTT1 A58, a variant of the group I type strain (CBS1513) performed particularly well, taking up maltotriose at a higher rate than maltose and retaining significant transport activity at temperatures as low as 0°C. Analysis of transporter distribution in this strain revealed an increased copy number of the MTT1 gene, which encodes the only permease known with higher affinity for maltotriose than maltose and low temperature dependence for transport. We propose that much of the variation in lager yeast fermentation behaviour is determined by the presence or absence of specific transmembrane transporters.
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