Stage V sporulation protein G as a global regulator of biofilm formation and virulence in Staphylococcus species: molecular mechanisms and therapeutic potential
Jul 2026· World Journal of Microbiology & Biotechnology· Vol 42· 0 citations· 72 references
Medicine
TL;DR
This review highlights SpoVG’s function in Staphylococcus, including its regulation of the expression of the adhesion factor gene sasC and the thermonuclease, which enables SpoVG to act as a molecular rheostat that influences biofilm formation and reduces acute virulence in response to environmental signals.
The study explores the potential of plant-derived secondary metabolites as natural inhibitors targeting QS systems to disrupt bacterial pathogenicity, and discusses the implications of exploiting these inhibitors as promising strategies to address the growing challenge of antibiotic resistance in bacterial infections.
Asghar Ali, Andaleeb Zahra, Mohan Kamthan et al.· Current Topics in Medicinal...· 0 citations
Several biosynthetic pathways tied to biofilm formation and late-stage competency may be regulated by BrpR and some potential leads for the mechanism of action of the SK-03-92 drug were uncovered.
Hailey Dyce, P. Schweiger, Robin Patel et al.· Antibiotics· 0 citations
Current evidence indicates that S. maltophilia biofilm formation arises from interconnected regulatory networks rather than isolated molecular determinants, and targeting matrix assembly, signaling pathways, stress adaptation, or resistance-associated physiology may complement conventional antimicrobial therapy.
It is demonstrated that casein-driven evolution selects for social 'cheaters' that conserve energy by downregulating costly virulence determinants, revealing a fundamental virulence-fitness trade-off.
The functional analysis revealed that the Δpimt mutant strain shows defective motility, reduced biofilm formation, and defective invasion and intramacrophage survival, and supplementation of Δpimt mutant strain culture with reduced glutathione resulted in neutralization of ROS and rescued the defective motility and bio...
R. Mahindhan, T. K. Chauhan, Shikha Bishnoi et al.· International Journal of Bio...· 0 citations
This study shows that lawsone effectively inhibits QS-regulated virulence factors and biofilm formation in gram-negative pathogens, like Pseudomonas aeruginosa, Serratia marcescens, and Chromobacterium violaceum.
Razique Anwer· Microbiology spectrum· 0 citations
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