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. 1966 Jul;49(6):183-96.
doi: 10.1085/jgp.49.6.183.

On the mechanism of integration of transforming deoxyribonucleate

M S Fox

On the mechanism of integration of transforming deoxyribonucleate

M S Fox. J Gen Physiol. 1966 Jul.

Abstract

The characteristics of the intermediates in the reaction, between DNA and pneumococcus, that results in genetic transformation are described in so far as they have been characterized. Transformation with DNA isolated from bacteria carrying in addition to genetic markers (32)P as a radioactive label and (2)H and (15)N as density labels has permitted the characterization of the product of recombination between the newly introduced DNA and the DNA of a recipient bacterium. The evidence for a single strand displacement mechanism producing a hybrid structure in the DNA of the recipient bacteria is presented. Progeny of single transformants have been examined. The results of these segregation studies permit the further characterization of this hybrid product of transformation as a genetically heterozygous structure.

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