Segregation into and Replication of Plasmid Deoxyribonucleic Acid in Chromosomeless Segregants of Escherichia coli
- 1 June 1970
- journal article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 102 (3) , 642-647
- https://doi.org/10.1128/jb.102.3.642-647.1970
Abstract
The progeny cells of Escherichia coli strain P678-54, which normally do not contain deoxyribonucleic acid (DNA), were found to carry DNA when the parental cell carried colicin factor E1 (Col E1). The DNA found in the normally DNA-less segregants was shown to be Col E1 DNA, which is present primarily as a covalently closed circular molecule that can undergo more than one complete cycle of replication.Keywords
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