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Synthetic indole derivatives as an antibacterial agent inhibiting respiratory metabolism of multidrug-resistant gram-positive bacteria
The survival of modern medicine depends heavily on the effective prevention and treatment of bacterial infections, are threatened by antibacterial resistance. The increasing use of antibiotics and lack of stewardship have led to an increase in antibiotic-resistant pathogens, so the growing issue of resistance can be resolved by emphasizing chemically synthesized antibiotics. This study discovered SMJ-2, a synthetic indole derivative, is effective against all multidrug-resistant gram-positive bacteria. SMJ-2 has multiple targets of action, but the primary mechanism inhibits respiratory metabolism and membrane potential disruption. SMJ-2 was discovered to interfere with the mevalonate pathway, ultimately preventing the synthesis of farnesyl diphosphate, a precursor to the antioxidant staphyloxanthin, eventually releasing reactive oxygen species, and leading phagocytic cells to destroy pathogens. Additionally, no discernible biochemical and histopathological alterations were found in the mouse acute toxicity model. This study emphasizes mechanistic insights into SMJ-2 as a potential antibacterial with an unusual method of action.
HTML Summary of #3306 Synthetic indole derivatives as an antibacterial agent inhibiting respiratory metabolism of multidrug-resistant gram-positive bacteria