Browse AMR Genes
Explore antimicrobial resistance genes from the literature
Explore antimicrobial resistance genes from the literature
lectin
Overview
A novel lectin, DltA, is required for expression of a full serum resistance phenotype in Haemophilus ducreyi.
The study identifies DltA as a novel lectin required for serum resistance in Haemophilus ducreyi, demonstrating its role in binding lactose-related carbohydrates and contributing to the organism's ability to resist complement-mediated killing.
A functional dlt operon, encoding proteins required for incorporation of d-alanine in teichoic acids in gram-positive bacteria, confers resistance to cationic antimicrobial peptides in Streptococcus pneumoniae.
The dlt operon in Streptococcus pneumoniae confers resistance to cationic antimicrobial peptides such as nisin and gallidermin through the incorporation of d-alanine into teichoic acids.
Molecular basis of resistance to muramidase and cationic antimicrobial peptide activity of lysozyme in staphylococci.
The study identifies oatA, graRS, and dltA as genes involved in resistance to lysozyme and cationic antimicrobial peptides in Staphylococcus aureus.
The dlt operon of Bacillus cereus is required for resistance to cationic antimicrobial peptides and for virulence in insects.
The dlt operon of Bacillus cereus is required for resistance to cationic antimicrobial peptides and for virulence in insects. Mutations in the dlt operon significantly reduced resistance to cationic AMPs and virulence in insect models.
The extracytoplasmic function sigma factor SigV plays a key role in the original model of lysozyme resistance and virulence of Enterococcus faecalis.
SigV, oatA, and dltA are involved in lysozyme resistance and virulence of Enterococcus faecalis. SigV plays a key role in the lysozyme resistance mechanism, and its deletion leads to increased sensitivity to lysozyme. OatA and dltA also contribute to lysozyme resistance, with their combined deletion causing the highest sensitivity. Additionally, SigV is crucial for the virulence of E. faecalis in both systemic and urinary tract infection models.
The dlt operon confers resistance to cationic antimicrobial peptides in Clostridium difficile.
The dlt operon in Clostridium difficile confers resistance to cationic antimicrobial peptides (CAMPs) such as nisin, polymyxin B, gallidermin, and vancomycin. Disruption of the dltD gene significantly reduces resistance to these CAMPs, and complementation restores resistance.
Characterization of a regulatory network of peptide antibiotic detoxification modules in Lactobacillus casei BL23.
The study identifies dltA and mprF as genes involved in resistance to antimicrobial peptides in Lactobacillus casei BL23, with dltA playing a major role in AMP resistance.
Heterogeneity of genetic pathways toward daptomycin nonsusceptibility in Staphylococcus aureus determined by adjunctive antibiotics.
Genomic and Long-Term Transcriptomic Imprints Related to the Daptomycin Mechanism of Action Occurring in Daptomycin- and Methicillin-Resistant Staphylococcus aureus Under Daptomycin Exposure.
The study identified various AMR genes and mutations associated with daptomycin resistance in MRSA strains, including genes such as aac(6')-Ib, blaZ, mecA, ermC, fexB, tetM, tet38, dfrC, fosD, and vgaA, as well as mutations in mprF, rpoB, grlA, grlB, and gyrA.
The Analysis of Field Strains Isolated From Food, Animal and Clinical Sources Uncovers Natural Mutations in Listeria monocytogenes Nisin Resistance Genes.
Natural mutations in pbpB3 (V240F) and rsbU (G77S) were associated with increased nisin resistance, while mutations in sigB, vir, and dlt operon were linked to increased nisin sensitivity in L. monocytogenes field strains.
Bacterial Targets of Antibiotics in Methicillin-Resistant Staphylococcus aureus.
The paper discusses the mechanisms of antibiotic resistance in methicillin-resistant Staphylococcus aureus (MRSA), focusing on genes such as blaZ, mecA, and dltA, which are involved in beta-lactam and glycopeptide resistance. It highlights the importance of understanding these resistance mechanisms to develop new therapeutic strategies.
Resistance to host antimicrobial peptides mediates resilience of gut commensals during infection and aging in Drosophila.
The study identifies dltA and ffh as genes involved in resistance to host antimicrobial peptides (AMPs) in Lactiplantibacillus plantarum, demonstrating that disruptions in these genes lead to increased susceptibility to AMPs like polymyxin B and cecropin B.
Mechanisms of Bacteriocin Resistance in Listeria monocytogenes
This review discusses the mechanisms of bacteriocin resistance in Listeria monocytogenes, focusing on modifications of bacteriocin docking receptors, changes in cell wall and membrane structure, and cross-resistance to different bacteriocins.
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