Karyotyping of maltose-fermenting Saccharomyces yeasts with differing maltotriose utilization profiles

ABSTRACT: Aims: We performed an analysis of maltotriose utilization by 52 Saccharomyces yeast strains able to ferment maltose efficiently and correlated the observed phenotypes with differences in the copy number of genes possibly involved in maltotriose utilization by yeast cells. Methods and Results: The analysis of maltose and maltotriose utilization by laboratory and industrial strains of the species Saccharomyces cerevisiae and Saccharomyces pastorianus (a natural S. cerevisiae/Saccharomyces bayanus hybrid) was carried out using microscale liquid cultivation, as well as in aerobic batch cultures. All strains utilize maltose efficiently as a carbon source, but three different phenotypes were observed for maltotriose utilization: efficient growth, slow/delayed growth and no growth. Through microa

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Barbara Dunn 

PROVIDER: E-GEOD-23055 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress