AL shemari, D., Aljoboury, N., Al-Hadidi, F. (2026). Adaptive Strategies of Human Pathogenic Bacteria- Antibiotic Resistance, Host Immune Manipulation and Microbial Persistence Mechanisms. , 4(1), 256-275.
Doaa Ali AL shemari; Niran Adnan Aljoboury; Fatima A. Al-Hadidi. "Adaptive Strategies of Human Pathogenic Bacteria- Antibiotic Resistance, Host Immune Manipulation and Microbial Persistence Mechanisms". , 4, 1, 2026, 256-275.
AL shemari, D., Aljoboury, N., Al-Hadidi, F. (2026). 'Adaptive Strategies of Human Pathogenic Bacteria- Antibiotic Resistance, Host Immune Manipulation and Microbial Persistence Mechanisms', , 4(1), pp. 256-275.
AL shemari, D., Aljoboury, N., Al-Hadidi, F. Adaptive Strategies of Human Pathogenic Bacteria- Antibiotic Resistance, Host Immune Manipulation and Microbial Persistence Mechanisms. , 2026; 4(1): 256-275.

Adaptive Strategies of Human Pathogenic Bacteria- Antibiotic Resistance, Host Immune Manipulation and Microbial Persistence Mechanisms

Al-Zahraa Journal for Health and Medical Sciences
Volume 4, Issue 1, March 2026, Pages 256-275    PDF (1008.11 K)
Document Type: Review Article
Authors
Doaa Ali AL shemari* 1; Niran Adnan Aljoboury2; Fatima A. Al-Hadidi2
1University of Kerbala
2Department of Biology, College of Sciences, University of Kerbala, Karbala, Iraq
Abstract
AbstractHuman pathogenic bacteria employ diverse strategies to survive antibiotics and host defenses. These adaptations contribute to chronic infections, treatment failures, and increased morbidity and mortality. This review explores three primary bacterial survival strategies antibiotic resistance, modulation of host immune responses, and microbial persistence. Antibiotic resistance arises through multiple genetic and biochemical mechanisms, including target modification, enzymatic inactivation, efflux pump overexpression, and horizontal gene transfer. Beyond resistance, pathogens actively manipulate host immune responses to evade detection, modulate immune signaling, and enhance colonization and dissemination. Additionally, microbial persistence mechanisms such as biofilm formation, phenotypic heterogeneity, and the emergence of persister cells allow bacteria to withstand antimicrobial treatments and immune-mediated clearance without acquiring permanent genetic resistance. These processes are not isolated; rather, they interact and reinforce each other, creating a complex network of survival strategies. Understanding these interconnected mechanisms is essential for designing more effective therapeutic approaches. By integrating insights from molecular microbiology, immunology, and clinical research, this review aims to provide a comprehensive framework for understanding bacterial adaptability. Such an integrated perspective can help identify potential targets for future antimicrobial and immunomodulatory therapies, ultimately improving the management of infections caused by multidrug-resistant and persistent bacterial pathogens.
Keywords
Key words : Immune evasion; Antigenic variation; Selective pressures; Persister cells
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