Journal
CURRENT OPINION IN BIOTECHNOLOGY
Volume 68, Issue -, Pages 166-173Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2020.11.004
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Research on the importance of bacteriophages in combating bacterial infections is increasing, with the trade-off phenomenon potentially resulting in lower fitness and increased sensitivity to antibiotics. While it may be difficult to prevent the evolution of phage resistance, the trade-off phenomenon holds potential for antibacterial therapy.
Life-threatening infections caused by multidrug-resistant bacteria are becoming increasingly difficult to treat. There is growing interest in exploiting bacteriophages (or phages) to combat bacterial infections. Phages often target bacterial surface structures that may also be important for virulence. Upon phage challenge, these molecules may be lost or modified, resulting in phage resistance and possibly phenotypical conversion. Importantly, possible trade-offs may include lower fitness, increased sensitivity to antibiotics and immune defense mechanisms, and virulence attenuation. Although evolution of phage-resistance may be difficult to prevent, the trade-off phenomenon carries potential for antibacterial therapy. Here we present some insights into the molecular principles and significance of this coincidental interplay between phages, bacteria, and immune cells, and discuss the prospect of developing phage-derived products as antivirulence agents.
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