Exploration of the Quorum-Quenching Mechanism in W-7 and Its Potential to Attenuate the Virulence of EC1.

Quorum quenching (QQ) is a novel, promising strategy that opens up a new perspective for controlling quorum-sensing (QS)-mediated bacterial pathogens. QQ is performed by interfering with population-sensing systems, such as by the inhibition of signal synthesis, catalysis of degrading enzymes, and modification of signals. In many Gram-negative pathogenic bacteria, a class of chemically conserved signaling molecules named -acyl homoserine lactones (AHLs) have been widely studied.

Characterization of a Novel Quorum-Quenching Bacterial Strain, HN-8, and Its Biocontrol Potential against Black Rot Disease Caused by pv. .

Diffusible signal factor (DSF) is a type of unsaturated fatty acid, with a chemical structure of 11-methyl-2-dodecylene acid. DSF is widely conserved in a variety of Gram-negative bacterial pathogens and is involved in the regulation of pathogenic virulence. Quorum quenching (QQ) is a promising strategy for preventing and controlling quorum sensing (QS)-mediated bacterial infections by interfering with the QS system of pathogens.

Whole-Genome Sequencing Analysis of Quorum Quenching Bacterial Strain QL-1 Identifies the FadY Enzyme for Degradation of the Diffusible Signal Factor.

The diffusible signal factor (DSF) is a fatty acid signal molecule and is widely conserved in various Gram-negative bacteria. DSF is involved in the regulation of pathogenic virulence in many bacterial pathogens, including pv. ().

Quorum Quenching in a Novel sp. XN-10 Bacterial Strain against subsp. .

Quorum sensing (QS) is a cell density-dependent mechanism that regulates the expression of specific genes in microbial cells. Quorum quenching (QQ) is a promising strategy for attenuating pathogenicity by interfering with the QS system of pathogens. -Acyl-homoserine lactones (AHLs) act as signaling molecules in many Gram-negative bacterial pathogens and have received wide attention.

Potential of a Quorum Quenching Bacteria Isolate D-2 Against Soft Rot Pathogen subsp. .

Quorum quenching (QQ) is a promising strategy for preventing and controlling quorum sensing (QS)-mediated bacterial infections. It interferes with QS by the inhibition of signal synthesis, the detection of enzyme-catalyzed degradation, and the modification of signals. -Acyl homoserine lactones (AHLs) represent a family of widely conserved QS signals involved in the regulation of virulence factor production in many Gram-negative bacterial pathogens.

Strain QL-1, a Novel Quorum Quenching Candidate Against Bacterial Pathogen pv. .

Quorum sensing (QS) is a cell-cell communication mechanism among bacterial populations that is regulated through gene expression in response to cell density. The pathogenicity of pv. () is modulated by the diffusible signal factor (DSF)-mediated QS system.

sp. HN-2, a Novel Quorum Quenching Bacterial Isolate, is a Potent Biocontrol Agent Against pv. .

Diffusible signal factor (DSF) represents a family of widely conserved quorum sensing (QS) signals involved in the regulation of virulence factor production in many Gram-negative bacterial pathogens. Quorum quenching, which disrupts QS either by degradation of QS signals or interference of signal generation or perception, is a promising strategy for prevention and control of QS-mediated bacterial infections. In this study, a novel DSF-degrading strain, HN-2, was isolated from contaminated soil and identified as sp.

Recent advances in glyphosate biodegradation.

Glyphosate has emerged as the most widespread herbicide to control annual and perennial weeds. Massive use of glyphosate for decades has resulted in its ubiquitous presence in the environment, and poses a threat to humans and ecosystem. Different approaches such as adsorption, photocatalytic degradation, and microbial degradation have been studied to break down glyphosate in the environment.

Kinetics and Novel Degradation Pathway of Permethrin in ZH-14.

Persistent use of permethrin has resulted in its ubiquitous presence as a contaminant in surface streams and soils, yet little is known about the kinetics and metabolic behaviors of this pesticide. In this study, a novel bacterial strain ZH-14 utilizing permethrin via partial hydrolysis pathways was isolated from sewage sludge. Response surface methodology based on Box-Behnken design of cultural conditions was used for optimization resulting in 100% degradation of permethrin (50 mg·L) within 72 h.