Electron-microscopic study of conjugative plasmids of serologically typed strains ofEscherichia coli AP1
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Plasmid DNAs isolated from cells ofE. coli AP1 were studied by electron microscopy. Two plasmid DNAs (FBI-1 and FBI-2) with molecular weights of 35.9±0.5×106 and 51.5±0.6×106 daltons respectively were identified.
Key Wordsplasmid DNA electron microscopy molecular weight
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