Antibiotic Resistance: Mechanisms of Development and Ways to Prevent
In recent years, the problem of resistance of pathogens to the main groups of antibacterial drugs has grown from a medical to a weighty socio-economic one. The possibility of acquiring by pathogens of resistance to the main groups of antibacterial drugs is associated with the ability of bacteria to acquire new genetic information. A key factor in the spread of resistance is the ability of bacteria to pass this information not only hereditarily, but also during direct contact of one bacterium to another through the plasmids. Major biological mechanisms of resistance is an increase of gene expression and synthesis of proteins (on which antibiotic acts) with changes in their structure, synthesis of beta-lactamases, which inactivate an antibiotic, active excretion (efflux) of antibiotic from microbial cells, reduction of bacterial cell membrane permeability for antibiotic, formation of metabolic «shunt» and others.
The main ways of preventing and overcoming antibiotic resistance are prevention of antibiotic-resistant pathogens spread and rational use of antibiotics. The modern views on the mechanisms of developing resistance of pathogens to the main groups of antibacterial drugs and ways to address this urgent problem are shown in this paper.
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