Chromosome-shuffling technique for selected chromosomal segments in Saccharomyces cerevisiae

Minetaka Sugiyama, Eishi Yamamoto, Yukio Mukai, Yoshinobu Kaneko, Masafumi Nishizawa, Satoshi Harashima

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We describe a novel chromosome engineering technique for shuffling selected regions of chromosomes from two strains in Saccharomyces cerevisiae: The technique starts with the construction of MAT a and MATα strains in which a particular chromosome is split at exactly the same site in both strains such that the split chromosomes generated are marked with different markers. The two strains are then crossed, and the resultant diploid is cultivated in nutrient medium to induce loss of the split chromosome originating from either of the strains. We predicted that some of these clones that are hemizygous for the split chromosome would spontaneously restore a homozygous configuration of the split chromosome during cultivation. We verified this prediction by tetrad analysis and quantitative Southern hybridization analysis, indicating that it is possible to create diploid hybrids in which a selected region of a chromosome from one strain is replaced by the corresponding chromosomal region from another strain. We also found that some chromosomal segments maintain a hemizygous state. This novel technique, which we call 'chromosome shuffling', could provide a new tool to analyze phenotypic alterations caused by the replacement or hemizygosity of a selected chromosomal region in not only laboratory but also industrial strains of S. cerevisiae.

Original languageEnglish
Pages (from-to)947-952
Number of pages6
JournalApplied Microbiology and Biotechnology
Volume72
Issue number5
DOIs
Publication statusPublished - 2006 Oct

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Chromosomes
Yeast
Saccharomyces cerevisiae
Diploidy
Nutrients
Clone Cells
Food

ASJC Scopus subject areas

  • Biotechnology
  • Microbiology
  • Bioengineering
  • Microbiology (medical)

Cite this

Chromosome-shuffling technique for selected chromosomal segments in Saccharomyces cerevisiae. / Sugiyama, Minetaka; Yamamoto, Eishi; Mukai, Yukio; Kaneko, Yoshinobu; Nishizawa, Masafumi; Harashima, Satoshi.

In: Applied Microbiology and Biotechnology, Vol. 72, No. 5, 10.2006, p. 947-952.

Research output: Contribution to journalArticle

Sugiyama, M, Yamamoto, E, Mukai, Y, Kaneko, Y, Nishizawa, M & Harashima, S 2006, 'Chromosome-shuffling technique for selected chromosomal segments in Saccharomyces cerevisiae', Applied Microbiology and Biotechnology, vol. 72, no. 5, pp. 947-952. https://doi.org/10.1007/s00253-006-0342-5
Sugiyama, Minetaka ; Yamamoto, Eishi ; Mukai, Yukio ; Kaneko, Yoshinobu ; Nishizawa, Masafumi ; Harashima, Satoshi. / Chromosome-shuffling technique for selected chromosomal segments in Saccharomyces cerevisiae. In: Applied Microbiology and Biotechnology. 2006 ; Vol. 72, No. 5. pp. 947-952.
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