Industrial relevance of chromosomal copy number variation in Saccharomyces yeasts

Arthur R. Gorter de Vries, Jack T. Pronk, Jean Marc G. Daran

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)
33 Downloads (Pure)

Abstract

Chromosomal copy number variation (CCNV) plays a key role in evolution and health of eukaryotes. The unicellular yeast Saccharomyces cerevisiae is an important model for studying the generation, physiological impact, and evolutionary significance of CCNV. Fundamental studies of this yeast have contributed to an extensive set of methods for analyzing and introducing CCNV. Moreover, these studies provided insight into the balance between negative and positive impacts of CCNV in evolutionary contexts. A growing body of evidence indicates that CCNV not only frequently occurs in industrial strains of Saccharomyces yeasts but also is a key contributor to the diversity of industrially relevant traits. This notion is further supported by the frequent involvement of CCNV in industrially relevant traits acquired during evolutionary engineering. This review describes recent developments in genome sequencing and genome editing techniques and discusses how these offer opportunities to unravel contributions of CCNV in industrial Saccharomyces strains as well as to rationally engineer yeast chromosomal copy numbers and karyotypes.

Original languageEnglish
Article numbere03206-16
Number of pages15
JournalApplied and Environmental Microbiology
Volume83
Issue number11
DOIs
Publication statusPublished - 1 Jun 2017

Keywords

  • Aneuploidy
  • Evolutionary adaptation
  • Fermentation
  • Genome engineering
  • Industrial yeast
  • Industrial yeast fermentation
  • Strain improvement

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