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Abstract

Pseudomonas aeruginosa is a prevalent pathogenic species reported with severe nosocomial infections. P. aeruginosa infections gain significant concern due to the greater morbidity and mortality coupled with the development of multidrug resistance phenomenon. Furthermore, they are potentially participating in the development of infections to different organs of the human and possibly evade from the host immune defence mechanism. P. aeruginosa involves in the productions several virulence factors which makes the bacterium remains as potential life-threatening pathogen. Additionally, biofilm formation behaviours of P. aeruginosa offer windows to evade different adverse environmental conditions and initiation of adaptation process according to the stress condition and deliver highly resistance strain. The current antibiotics used to combat the Pseudomonas infection are gradually losing their efficacy in controlling the bacterial infections due to the development of the resistance mechanism within the bacterial system. The different resistance mechanisms including intrinsic, acquired and adaptive resistance are supporting the P. aeruginosa for the development of high resistance against several antimicrobial agents. Recently, several alternative therapeutic options were reported such as interference in quorum sensing of P. aeruginosa, phage therapy and development of antimicrobial peptides alternative therapeutic options against antibiotics with limited incidence of resistance development. This chapter overviews the pathogenesis and drug resistance development in P. aeruginosa and also covers the recently available therapeutic alternatives to combat Pseudomonas infection.

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Parasuraman, P., Syed, A., Siddhardha, B. (2020). Pathogenesis and Drug Resistance of Pseudomonas aeruginosa. In: Siddhardha, B., Dyavaiah, M., Syed, A. (eds) Model Organisms for Microbial Pathogenesis, Biofilm Formation and Antimicrobial Drug Discovery. Springer, Singapore. https://doi.org/10.1007/978-981-15-1695-5_13

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