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Broad spectrum antimicrobial activity of functionalized polyanilines
Open accessAbstract
The antimicrobial properties of conductive functionalized polyanilines (fPANI) were investigated by exploring their interaction with bacterial cells. In sharp contrast to polyaniline (PANI), lower concentrations of fPANI were needed to strongly inhibit the growth of wild-type Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus, as well as several antibiotic-resistant clinical pathogens. To gain an insight into how fPANI have an impact on cellular physiology we used a whole genome expression study in the model E. coli MG1655 strain exposed to a representative fPANI. The expression levels of 218 (∼5.1%) genes changed significantly. Moreover, we found that certain oxidative damage-responsive genes were strongly induced, while genes potentially involved in energy metabolism and transport and in forming bacterial cell walls and stress-resistant cellular communities (biofilms) were repressed. Taken together, our results appear to indicate that the antimicrobial effects of fPANI, in part at least, might stem from their ability to target the operations of multiple and diverse cellular processes, and suggest that fPANI could be useful ingredients for biomaterials used in the development of food packaging and medical devices.
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Synthesis of electrically conducting organic polymers: halogen derivatives of polyacetylene, (CH) x
Shirakawa, H., Louis, E. J., MacDiarmid, A. G., Chiang, C. K., & Heeger, A. J. (1977) · Journal of the Chemical Society, Chemical Communications · doi:10.1039/c39770000578 · Cited by 3,867
Cellular Defenses against Superoxide and Hydrogen Peroxide
Imlay, J. A. (2008) · Annual Review of Biochemistry · doi:10.1146/annurev.biochem.77.061606.161055 · Cited by 1,563
Cited by
Dong, R., Zhao, X., Guo, B., & Ma, P. X. (2016) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b04911 · Cited by 538
Progress in Conductive Polyaniline-Based Nanocomposites for Biomedical Applications: A Review
Zare, E. N., Makvandi, P., Ashtari, B., Rossi, F., Motahari, A., & Perale, G. (2020) · Journal of Medicinal Chemistry · doi:10.1021/acs.jmedchem.9b00803 · Cited by 481
Qu, J., Zhao, X., Ma, P. X., & Guo, B. (2018) · Acta Biomaterialia · doi:10.1016/j.actbio.2018.03.018 · Cited by 468
Application of conducting polymers to wound care and skin tissue engineering: A review
Talikowska, M., Fu, X., & Lisak, G. (2019) · Biosensors and Bioelectronics · doi:10.1016/j.bios.2019.04.001 · Cited by 285
Balasubramaniam, B., Prateek, Ranjan, S., Saraf, M., Kar, P., Singh, S. P., Thakur, V. K., Singh, A., & Gupta, R. K. (2021) · ACS Pharmacology & Translational Science · doi:10.1021/acsptsci.0c00174 · Cited by 285
Metadata
- Authors
- Gizdavic-Nikolaidis, M. R., Bennett, J. R., Swift, S., Easteal, A. J., & Ambrose, M.
- Venue
- Acta Biomaterialia
- Publisher
- Elsevier BV
- Published
- 2011-12
- Volume
- 7
- Issue
- 12
- Pages
- 4204-4209
- ISSN
- 1742-7061 (ISSN-L)
- OpenAlex
- W2002392164
- Cited by
- 224
- References
- 2
- FWCI
- 4.94
- Type
- journal article
- Language
- en
- Open access
- green
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- Gizdavic-Nikolaidis, M. R., Bennett, J. R., Swift, S., Easteal, A. J., & Ambrose, M. (2011). Broad spectrum antimicrobial activity of functionalized polyanilines. Acta Biomaterialia. https://doi.org/10.1016/j.actbio.2011.07.018
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