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Manipulation of intracellular magnesium content in polymyxin B nonapeptide-sensitized Escherichia coli by ionophore A23187
Open accessAbstract
Escherichia coli B cells were sensitized to ionophore A23187 by polymyxin B nonapeptide, and the induced magnesium and potassium ion fluxes were studied. Combined ionophore treatment permeabilized the cytoplasmic membrane of E. coli in an ion-specific manner and allowed the manipulation of intracellular Mg2+ content from the outside. A23187-induced Mg2+ efflux or influx was dependent on the free Mg2+ concentration gradient between the outside and inside of the cytoplasmic membrane and on the pH gradient. Most of the intracellular Mg2+ was bound, whereas only 1 to 2 mM was free in solution in the cellular sap.
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Citations
Cited by
Agents that increase the permeability of the outer membrane
Vaara, M. (1992) · Microbiological Reviews · doi:10.1128/mr.56.3.395-411.1992 · Cited by 1,879
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Dillingham, M. S., & Kowalczykowski, S. C. (2008) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.00020-08 · Cited by 586
Physicochemical Properties of Cells and Their Effects on Intrinsically Disordered Proteins (IDPs)
Theillet, F.-X., Binolfi, A., Frembgen-Kesner, T., Hingorani, K., Sarkar, M., Kyne, C., Li, C., Crowley, P. B., Gierasch, L., Pielak, G. J., et al. (2014) · Chemical Reviews · doi:10.1021/cr400695p · Cited by 503
Characterization of the cytoplasm of Escherichia coli K-12 as a function of external osmolarity
Cayley, S., Lewis, B. A., Guttman, H. J., & Record, M. T. (1991) · Journal of Molecular Biology · doi:10.1016/0022-2836(91)90212-o · Cited by 486
Yaginuma, H., Kawai, S., Tabata, K. V., Tomiyama, K., Kakizuka, A., Komatsuzaki, T., Noji, H., & Imamura, H. (2014) · Scientific Reports · doi:10.1038/srep06522 · Cited by 386
Metadata
- Authors
- Alatossava, T., Jütte, H., Kuhn, A., & Kellenberger, E.
- Venue
- Journal of Bacteriology
- Publisher
- American Society for Microbiology
- Published
- 1985-04
- Volume
- 162
- Issue
- 1
- Pages
- 413-419
- ISSN
- 0021-9193 (ISSN-L)
- 1098-5530
- OpenAlex
- W2118129275
- Cited by
- 185
- References
- 0
- FWCI
- 0.73
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Manipulation of intracellular magnesium content in polymyxin B nonapeptide-sensitized Escherichia coli by ionophore A23187. https://app.cochat.ai/papers/10.1128/jb.162.1.413-419.1985
- The paper
- Alatossava, T., Jütte, H., Kuhn, A., & Kellenberger, E. (1985). Manipulation of intracellular magnesium content in polymyxin B nonapeptide-sensitized Escherichia coli by ionophore A23187. Journal of Bacteriology. https://doi.org/10.1128/jb.162.1.413-419.1985
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
