Transformation of yeast spheroplasts without cell fusion

Peter M.J. Burgers, Kimberly J. Percival

Research output: Contribution to journalArticle

214 Scopus citations

Abstract

The efficiency of genetic transformation of Saccharomyces cerevisiae spheroplasts has been increased 10- to 100-fold over previously published procedures. Optimal transformation frequencies for single-stranded and double-stranded replicating plasmids are 2 × 107 and 5 × 106 transformants/μg, respectively. At saturating DNA concentrations, 12 and 3%, respectively, of the viable spheroplasts contain plasmid DNA. The percentage of transformants that have undergone nuclear fusion varies from 0.1 to 3%, indicating that fusion is not required for the uptake of DNA by yeast spheroplasts.

Original languageEnglish
Pages (from-to)391-397
Number of pages7
JournalAnalytical Biochemistry
Volume163
Issue number2
DOIs
StatePublished - Jun 1987

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