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Regulation of bacterial DNA supercoiling: plasmid linking numbers vary with growth temperature.
Open accessAbstract
The level of DNA supercoiling can be altered either by breaking-rejoining reactions that change the DNA linking number or by environmental changes that alter the helical pitch of DNA. In vitro, temperature changes alter helical pitch and, thus, supercoiling. We find that plasmids isolated from bacteria grown at different temperatures exhibit differences in DNA linking numbers. The differences in plasmid linking numbers offset the effect temperature is expected to have on supercoiling. These results are consistent with the hypothesis that fine control of DNA topology in bacterial cells is brought about by changes in linking number to maintain a constant value for supercoiling.
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Cites
Temperature dependence of RNA synthesis parameters in Escherichia coli
Ryals, J., Little, R., & Bremer, H. (1982) · Journal of Bacteriology · doi:10.1128/jb.151.2.879-887.1982 · Cited by 109
Cited by
Regulation cascade of flagellar expression in Gram-negative bacteria
Soutourina, O. A., & Bertin, P. N. (2003) · FEMS Microbiology Reviews · doi:10.1016/s0168-6445(03)00064-0 · Cited by 363
DNA Topoisomerases: Enzymes That Control DNA Conformation
Vosberg, H.-P. (1985) · Current Topics in Microbiology and Immunology · doi:10.1007/978-3-642-70227-3_2 · Cited by 321
Transcriptional and Post-transcriptional Control of Cold-shock Genes
Gualerzi, C. O., Maria Giuliodori, A., & Pon, C. L. (2003) · Journal of Molecular Biology · doi:10.1016/s0022-2836(03)00732-0 · Cited by 287
Travers, A., & Muskhelishvili, G. (2015) · The FEBS Journal · doi:10.1111/febs.13307 · Cited by 277
Crozat, E., Winkworth, C., Gaffe, J., Hallin, P. F., Riley, M. A., Lenski, R. E., & Schneider, D. (2010) · Molecular Biology and Evolution · doi:10.1093/molbev/msq099 · Cited by 62
Metadata
- Authors
- Goldstein, E., & Drlica, K.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1984-07
- Volume
- 81
- Issue
- 13
- Pages
- 4046-4050
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2046850778
- Cited by
- 215
- References
- 1
- FWCI
- 2.65
- Type
- journal article
- Language
- en
- Open access
- green
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- Goldstein, E., & Drlica, K. (1984). Regulation of bacterial DNA supercoiling: plasmid linking numbers vary with growth temperature. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.81.13.4046
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.