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The rise of antimicrobial resistance among ESKAPE pathogens remains a critical challenge for global health. Researchers are now investigating bacterial protein kinases as master regulators of essential cellular processes and virulence. These enzymes control metabolism, cell division, and the secretion of virulence factors during infections. Because these proteins are highly conserved across species, they offer stable targets for drug development.
Bacterial signaling systems share a common evolutionary origin with those in eukarya and archaea. Specifically, these kinases promote host-pathogen interactions by manipulating the defense systems of the host. This manipulation allows for the establishment of persistent infections even in hostile environments. Moreover, these proteins maintain fundamental bacterial functions, which means they are less likely to undergo rapid mutations.
Traditional antibiotics often fail because bacteria develop mutations quickly. However, bacterial protein kinases show a lower frequency of mutation since they are essential for survival. Furthermore, these kinases regulate efflux pumps that bacteria use to discard antibiotic molecules. By inhibiting these master regulators, clinicians can potentially restore the efficacy of existing treatments. Consequently, targeting these pathways minimizes the risk of pathogens gaining new types of resistance. In addition, experimental validation of various kinase inhibitors has already demonstrated success in controlling severe infections.
These kinases regulate the expression of efflux pumps, which actively pump antibiotics out of the bacterial cell. By controlling these pumps, the kinases help the bacteria survive even in the presence of high drug concentrations.
Because kinases are master regulators of fundamental biological processes, they are essential for bacterial survival. This essentiality results in a lower probability of mutation, making them more reliable targets than non-essential bacterial proteins.
ESKAPE pathogens possess intrinsic and acquired resistance mechanisms that allow them to escape the effects of most available antibiotics. They are the leading cause of hospital-acquired infections, often leading to poor patient outcomes.
Disclaimer: This content is for informational and educational purposes only and does not constitute professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.
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A review of bacterial protein kinases in ESKAPE pathogens as novel therapeutic targets to manage antibiotic resistance and virulence factors....
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