Transformation of Bacillus thuringiensis protoplasts by plasmid DNA
β Scribed by V.I. Miteva; N.I. Shivarova; R.T. Grigorova
- Book ID
- 109311759
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 229 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0378-1097
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A highly efficient method for transformation of Bacillus subtilis by plasmid DNA is reported. The procedure, which involves polyethylene glycol-induced DNA uptake by protoplasts and subsequent regeneration of the bacterial cell wall, yields up to 80% transformants with an efficiency of 4 x 10(7) tra
Polyethylene glycol-treated protoplasts of B. subtilis can be transformed by plasmid DNA at very high frequencies (Chang and Cohen 1979). From analysis of plasmid mediated transformation of transformation-deficient mutants it appeared that mutants, reduced in the transformation by plasmid DNA in the