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학술저널

가금에서 분리한 내성인자의 유전학적연구

Genetic studies on several R plasmids from domestic fowl

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Several coliforms conferring resistance to tetracycline and/or streptomycine or Hg, etc, have been isolated from domestic fowl to examine genetic properties of bacterial plasmid. Four distinct R plasmids, given the name pSL100-pSL400 respectively, were transfered to Escherichia coli K strain ; among them, PSL200 and pSL400 were also transfered to Escherichia coli B and Salmonella typhimurium LT-2, while pSL100 transfered only to Escherichia coli B. Also, it was demonstrated that pSL100 and pSL400 showed greater ability to suppress the transfer of F’ factor in Escherichia coli K than pSL200.

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