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Transformation of intact yeast cells treated with alkali cations

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Ito, H, Fukuda, Y, Murata, K, Kimura, A·1983·Journal of Bacteriology

Abstract

Intact yeast cells treated with alkali cations took up plasmid DNA. Li+, Cs+, Rb+, K+, and Na+ were effective in inducing competence. Conditions for the transformation of Saccharomyces cerevisiae D13-1A with plasmid YRp7 were studied in detail with CsCl. The optimum incubation time was 1 h, and the optimum cell concentration was 5 x 10(7) cells per ml. The optimum concentration of Cs+ was 1.0 M. Transformation efficiency increased with increasing concentrations of plasmid DNA. Polyethylene glycol was absolutely required. Heat pulse and various polyamines or basic proteins stimulated the uptake of plasmid DNA. Besides circular DNA, linear plasmid DNA was also taken up by Cs+-treated yeast cells, although the uptake efficiency was considerably reduced. The transformation efficiency with Cs+ or Li+ was comparable with that of conventional protoplast methods for a plasmid containing ars1, although not for plasmids containing a 2 microns origin replication.

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Metadata

Authors
Ito, H., Fukuda, Y., Murata, K., & Kimura, A.
Venue
Journal of Bacteriology
Published
1983-01
Volume
153
Issue
1
Pages
163-168
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W1973782344
Cited by
7,518
References
0
FWCI
54.58
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Transformation of intact yeast cells treated with alkali cations. https://app.cochat.ai/papers/10.1128/jb.153.1.163-168.1983
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Ito, H., Fukuda, Y., Murata, K., & Kimura, A. (1983). Transformation of intact yeast cells treated with alkali cations. Journal of Bacteriology. https://doi.org/10.1128/jb.153.1.163-168.1983

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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