Improved transformation method for Acetobacter with plasmid DNA.
نویسندگان
چکیده
منابع مشابه
Improved alkaline lysis method for rapid isolation of plasmid DNA.
Isolation of highly purified plasmid DNA from E. coli is an essential step in many techniques of current molecular biology. Traditional techniques for plasmid isolation are the alkaline lysis technique of Birnboim and Doly (2) and the boiling method of Holmes and Quigley (4), which are normally followed by a further purification by cesium chloride gradient centrifugation (9). Though the purity ...
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A plasmid transformation system was developed for Bacillus polymyxa ATCC 12321 and derivatives of this strain. The method utilizes a penicillin-treated-cell technique to facilitate uptake of the plasmid DNA. Low-frequency transformation (10(-6) per recipient cell) of plasmids pC194, pBD64, and pBC16 was accomplished with this method. Selection for the transformants was accomplished on both hype...
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Azotobacter vinelandii cells can be transformed at high frequencies with the broad-host-range plasmids pRK2501, RSF1010, and pGSS15, using a modification of the procedure developed by Page and von Tigerstrom (J. Bacteriol. 139:1058-1061, 1979) for chromosomal DNA-mediated transformation. The frequency of transformation per microgram of plasmid DNA per viable cell with pRK2501 and pGSS15 was abo...
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A method for polyethylene glycol-induced protoplast transformation of glutamate-producing bacteria with plasmid DNA was established. Protoplasts were prepared from cells grown in the presence of penicillin by treatment with lysozyme in a hypertonic medium. The concentration of penicillin during growth affected the efficiency of formation, regeneration, and polyethylene glycol-induced DNA uptake...
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Methods have been developed for chemical transformation and electro-transformation (electroporation) of vegetative cells of Bacillus anthracis with supercoiled plasmid DNA. Chemical transformation was dependent on incubation in Tris/HCl with osmotic support and transformation with plasmid DNA was effected by treatment with polyethylene glycol 3350. Maximum transformation frequencies were 3.8 x ...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1985
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.49.2091