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Supramolecular Structure of the Salmonella typhimurium Type III Protein Secretion System
Abstract
The type III secretion system of Salmonella typhimurium directs the translocation of proteins into host cells. Evolutionarily related to the flagellar assembly machinery, this system is also present in other pathogenic bacteria, but its organization is unknown. Electron microscopy revealed supramolecular structures spanning the inner and outer membranes of flagellated and nonflagellated strains; such structures were not detected in strains carrying null mutations in components of the type III apparatus. Isolated structures were found to contain at least three proteins of this secretion system. Thus, the type III apparatus of S. typhimurium , and presumably other bacteria, exists as a supramolecular structure in the bacterial envelope.
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Citations
Cited by
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Berg, H. C. (2003) · Annual Review of Biochemistry · doi:10.1146/annurev.biochem.72.121801.161737 · Cited by 1,457
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Shigenobu, S., Watanabe, H., Hattori, M., Sakaki, Y., & Ishikawa, H. (2000) · Nature · doi:10.1038/35024074 · Cited by 1,309
Secretion systems in Gram-negative bacteria: Structural and mechanistic insights
Costa, T. R. D., Felisberto-Rodrigues, C., Meir, A., Prevost, M. S., Redzej, A., Trokter, M., & Waksman, G. (2015) · Nature Reviews Microbiology · doi:10.1038/nrmicro3456 · Cited by 1,132
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Pizarro-Cerdá, J., & Cossart, P. (2006) · Cell · doi:10.1016/j.cell.2006.02.012 · Cited by 977
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Metadata
- Authors
- Kubori, T., Matsushima, Y., Nakamura, D., Uralil, J., Lara-Tejero, M., Sukhan, A., Galán, J. E., & Aizawa, S.-I.
- Venue
- Science
- Published
- 1998-04-24
- Volume
- 280
- Issue
- 5363
- Pages
- 602-605
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2022873862
- Cited by
- 896
- References
- 0
- FWCI
- 36.53
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Supramolecular Structure of the Salmonella typhimurium Type III Protein Secretion System. https://app.cochat.ai/papers/10.1126/science.280.5363.602
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- Kubori, T., Matsushima, Y., Nakamura, D., Uralil, J., Lara-Tejero, M., Sukhan, A., Galán, J. E., & Aizawa, S.-I. (1998). Supramolecular Structure of the Salmonella typhimurium Type III Protein Secretion System. Science. https://doi.org/10.1126/science.280.5363.602
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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.
