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Enrichment of Native and Recombinant Extracellular Vesicles of Mycobacteria
Published on: December 8, 2023
Pili of Mycobacterium tuberculosis: current knowledge and future prospects
Saiyur Ramsugit1, Manormoney Pillay
1Medical Microbiology and Infection Control, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, 1st Floor Doris Duke Medical Research Institute, Private Bag 7, Congella, Durban, 4013, South Africa.
Abstract:
Many pathogenic bacteria express filamentous appendages, termed pili, on their surface. These organelles function in several important bacterial processes, including mediating bacterial interaction with, and colonization of the host, signalling events, locomotion, DNA uptake, electric conductance, and biofilm formation. In the last decade, it has been established that the tuberculosis-causing bacterium, Mycobacterium tuberculosis, produces two pili types: curli and type IV pili. In this paper, we review studies on M. tuberculosis pili, highlighting their structure and biological significance to M. tuberculosis pathogenesis, and discuss their potential as targets for therapeutic intervention and diagnostic test development.
Insights
Mycobacterium tuberculosis uses surface pili for host colonization and pathogenesis. This review highlights pili structure, function, and potential as therapeutic and diagnostic targets.
Area of Science:
- Microbiology
- Bacterial Pathogenesis
- Molecular Biology
Background:
- Pathogenic bacteria utilize surface appendages called pili for various functions.
- Mycobacterium tuberculosis, the causative agent of tuberculosis, produces curli and type IV pili.
- Pili play roles in host colonization, signaling, motility, DNA uptake, and biofilm formation.
Purpose of the Study:
- To review the current understanding of pili in Mycobacterium tuberculosis.
- To highlight the structure and biological significance of M. tuberculosis pili in pathogenesis.
- To discuss the potential of these pili as targets for new therapies and diagnostics.
Main Methods:
- Literature review of studies on M. tuberculosis pili.
- Analysis of pili structure and function.
- Evaluation of pili as potential therapeutic and diagnostic targets.
Main Results:
- M. tuberculosis expresses curli and type IV pili.
- These pili are crucial for M. tuberculosis pathogenesis, including host interaction and colonization.
- Pili have diverse roles in bacterial processes.
Conclusions:
- M. tuberculosis pili are significant virulence factors.
- Targeting these pili offers a promising strategy for developing novel anti-tuberculosis interventions.
- Further research into M. tuberculosis pili could lead to improved diagnostic tools.
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