The influence of media composition on replicative lifespan in lager brewing yeast

Dawn Louise Maskell, Alan I. Kennedy, Jeff A. Hodgson, Katherine A. Smart

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Beer quality is strongly influenced by the biochemical performance of the yeast cell during fermentation. The rate and extent of fermentation and the quality of the final product may be affected by both extrinsic and intrinsic factors. Lager brewing yeast cells exhibit a finite replicative lifespan which is strain dependent with characteristic morphological changes associated with age and senescence.
Lifespan in haploid strains of Saccharomyces cerevisiae has been demonstrated to be affected by media composition. To elucidate the impact of media components on polyploid yeast lifespan, the effect of fermentable carbon source in defined media on longevity of four lager brewing yeast strains has been investigated. It is suggested that media composition may moderate brewing yeast lifespan, though the extent of change is strain dependent.
Original languageEnglish
Title of host publicationBrewing Yeast Fermentation Performance
EditorsKatherine Smart
Place of PublicationOxford
PublisherBlackwell Science
Pages119-126
Number of pages8
ISBN (Print)9780632054510
Publication statusPublished - 2000

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Yeasts
Fermentation
Intrinsic Factor
Polyploidy
Haploidy
Saccharomyces cerevisiae
Carbon

Cite this

Maskell, D. L., Kennedy, A. I., Hodgson, J. A., & Smart, K. A. (2000). The influence of media composition on replicative lifespan in lager brewing yeast. In K. Smart (Ed.), Brewing Yeast Fermentation Performance (pp. 119-126). Oxford: Blackwell Science.
Maskell, Dawn Louise ; Kennedy, Alan I. ; Hodgson, Jeff A. ; Smart, Katherine A. / The influence of media composition on replicative lifespan in lager brewing yeast. Brewing Yeast Fermentation Performance. editor / Katherine Smart. Oxford : Blackwell Science, 2000. pp. 119-126
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Maskell, DL, Kennedy, AI, Hodgson, JA & Smart, KA 2000, The influence of media composition on replicative lifespan in lager brewing yeast. in K Smart (ed.), Brewing Yeast Fermentation Performance. Blackwell Science, Oxford, pp. 119-126.

The influence of media composition on replicative lifespan in lager brewing yeast. / Maskell, Dawn Louise; Kennedy, Alan I.; Hodgson, Jeff A.; Smart, Katherine A.

Brewing Yeast Fermentation Performance. ed. / Katherine Smart. Oxford : Blackwell Science, 2000. p. 119-126.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AU - Kennedy, Alan I.

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AU - Smart, Katherine A.

PY - 2000

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N2 - Beer quality is strongly influenced by the biochemical performance of the yeast cell during fermentation. The rate and extent of fermentation and the quality of the final product may be affected by both extrinsic and intrinsic factors. Lager brewing yeast cells exhibit a finite replicative lifespan which is strain dependent with characteristic morphological changes associated with age and senescence.Lifespan in haploid strains of Saccharomyces cerevisiae has been demonstrated to be affected by media composition. To elucidate the impact of media components on polyploid yeast lifespan, the effect of fermentable carbon source in defined media on longevity of four lager brewing yeast strains has been investigated. It is suggested that media composition may moderate brewing yeast lifespan, though the extent of change is strain dependent.

AB - Beer quality is strongly influenced by the biochemical performance of the yeast cell during fermentation. The rate and extent of fermentation and the quality of the final product may be affected by both extrinsic and intrinsic factors. Lager brewing yeast cells exhibit a finite replicative lifespan which is strain dependent with characteristic morphological changes associated with age and senescence.Lifespan in haploid strains of Saccharomyces cerevisiae has been demonstrated to be affected by media composition. To elucidate the impact of media components on polyploid yeast lifespan, the effect of fermentable carbon source in defined media on longevity of four lager brewing yeast strains has been investigated. It is suggested that media composition may moderate brewing yeast lifespan, though the extent of change is strain dependent.

M3 - Conference contribution

SN - 9780632054510

SP - 119

EP - 126

BT - Brewing Yeast Fermentation Performance

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PB - Blackwell Science

CY - Oxford

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Maskell DL, Kennedy AI, Hodgson JA, Smart KA. The influence of media composition on replicative lifespan in lager brewing yeast. In Smart K, editor, Brewing Yeast Fermentation Performance. Oxford: Blackwell Science. 2000. p. 119-126