Number of rrn operons
| Value | 7 operons |
|---|---|
| Organism | Bacteria Escherichia coli |
| Reference | Bremer, H., Dennis, P. P. (1996) Modulation of chemical composition and other parameters of the cell by growth rate. Neidhardt, et al. eds. Escherichia coli and Salmonella typhimurium: Cellular and Molecular Biology, 2nd ed. chapter 112, Repeated Sequences, p.5 bottom paragraph |
| Primary Source | Lehner AF, Harvey S, Hill CW. Mapping and spacer identification of rRNA operons of Salmonella typhimurium. J Bacteriol. 1984 Nov160(2):682-6.PubMed ID6094483 |
| Comments | The fact that both E. coli and S. typhimurium have seven rrn operons (primary source) indicates that the arrangement is both ancient and selectively maintained. |
| Entered by | Uri M |
| ID | 107866 |