A novel variant of the plasmid-borne colistin resistance gene mcr-3 was identified in an ST131 Escherichia coli isolate from a bloodstream infection in Denmark, highlighting the emergence of mobile colistin resistance.

The study identifies the plasmid-borne colistin resistance gene mcr-3 in ten Salmonella isolates from human infections in Denmark between 2009 and 2017.

The study identifies the co-occurrence of colistin-resistance genes mcr-1 and mcr-3 in multidrug-resistant Escherichia coli isolated from cattle in Spain, highlighting the emergence of plasmid-mediated colistin resistance in Europe.

The study identifies mcr-3.3 and mcr-3-like variants in Aeromonas veronii from chicken meat, demonstrating that only mcr-3.3 confers colistin resistance in E. coli and Aeromonas species.

The study identifies mcr-3.3 and mcr-3-like variants in Aeromonas veronii from chicken meat, demonstrating that only mcr-3.3 confers colistin resistance in E. coli and Aeromonas species.

The study identified mcr-1, mcr-2, and mcr-3 genes in flies and their associated bacteria, highlighting the role of flies as vectors for colistin resistance genes.

The study developed a multiplex SYBR Green real-time PCR assay for detecting mcr-1, mcr-2, and mcr-3 genes, which confer colistin resistance in Enterobacteriaceae.

The study reports a novel mcr-3 variant, mcr-3.10, found in Aeromonas caviae, Proteus mirabilis, and Escherichia coli from a domestic duck, which confers resistance to colistin and polymyxin B.

The study developed a multiplex PCR assay to detect plasmid-mediated colistin resistance genes mcr-1, mcr-2, mcr-3, mcr-4, and mcr-5 in Enterobacteriaceae. The method was validated using 49 isolates and showed 100% concordance with WGS data. A new variant, mcr-4.3, was identified.

The study reports the occurrence of the mcr-3 gene in Escherichia coli from household pigs in rural areas of China, highlighting its potential for horizontal transmission and the need for monitoring in small-scale farming settings.

The study identified high prevalence of mcr-1, mcr-2, and mcr-3 genes in pigs and poultry in China, highlighting the need for increased surveillance of colistin resistance.

The study identifies the mcr-3 gene on an IncR plasmid in an E. coli ST3634 isolate, demonstrating its potential for transfer through IS26-mediated homologous recombination.

The study identifies a novel MCR-3 variant, mcr-3.12, which confers resistance to colistin by modifying the lipid A component of the bacterial outer membrane.

The study reports the co-location of the polymyxin resistance genes mcr-1 and a variant of mcr-3, named mcr-3.11, on a plasmid in an Escherichia coli isolate from a chicken farm. Both genes confer resistance to colistin.

The study identifies mcr-3 and mcr-1 genes in Aeromonas veronii and Escherichia coli isolates from human gut samples, highlighting their role in colistin resistance.

The study identified various mcr gene variants, including mcr-1.1, mcr-1.2, mcr-1.13, mcr-3.2, mcr-4.2, and mcr-4.3, which confer colistin resistance in Enterobacteriaceae from food-producing animals in Italy.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified mcr-3 and six novel variants (mcr-3.13 to mcr-3.18) in Aeromonas species from various sources, including humans, retail meat, and the aquatic environment. These genes confer resistance to colistin and polymyxin B.

The study identified and characterized the mcr-3 and mcr-1 genes, which encode phosphatidylethanolamine transferases that confer colistin resistance by modifying lipid A. The functional differences between MCR-3 and MCR-1 were explored through structural and biochemical analyses, revealing that MCR-3 is more thermostable than MCR-1.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The paper proposes a standardized nomenclature for mobile colistin resistance (mcr) genes, focusing on the assignment of allele numbers to ensure clarity and consistency in identifying and characterizing these genes across different bacterial species and geographic locations.

The study characterizes the mcr-3 gene, which confers colistin resistance in Enterobacteriaceae. It identifies the molecular mechanism of MCR-3, showing that it modifies lipid A to prevent colistin-induced ROS production.

The study characterizes the mcr-3 gene, which confers colistin resistance in Enterobacteriaceae. It identifies the molecular mechanism of MCR-3, showing that it modifies lipid A to prevent colistin-induced ROS production.

The study identifies the presence of mobile colistin resistance genes mcr-1 and mcr-3 in ST131-H22 isolates, highlighting their potential role in colistin resistance and foodborne transmission.

The study identified several mcr genes (mcr-1, mcr-2, mcr-3, mcr-4.2, and mcr-5) that confer colistin resistance in various Enterobacteriaceae species, including Escherichia coli, Klebsiella pneumoniae, Salmonella enterica, and Enterobacter cloacae.

The study identifies a colistin-resistant Salmonella enterica 4,[5],12:i:- strain carrying the mcr-3.2 gene on a variant IncHI-2 plasmid.

The study identified mcr-1 and mcr-3 genes as the primary colistin resistance genes in the Funan River, along with other resistance genes such as sul1, sul2, aac(6')-Ib-cr, bla CTX-M, tetM, ermB, qnrS, and aph(3')-IIIa. These genes were found in various bacterial species, highlighting the presence of multidrug-resistant strains in the river.

The paper reviews the development of new tools for detecting colistin resistance, focusing on the mcr-1 gene which confers resistance to colistin through phosphoethanolamine modification of lipid A.

The study identifies the co-transfer of plasmid-borne colistin-resistant genes mcr-1.1 and mcr-3.5, the carbapenemase gene blaNDM-5, and the 16S methylase gene rmtB from Escherichia coli. These genes were found on different plasmids and were shown to be self-transmissible, highlighting the potential for the simultaneous spread of multiple antimicrobial resistances.

The study evaluates the UMIC Colistine kit for assessing colistin MIC in gram-negative rods, demonstrating its effectiveness in detecting colistin-resistant isolates, particularly those harboring mcr-1, mcr-2, and mcr-3 genes.

The study characterizes the loss of mcr-1 and mcr-3.19 genes mediated by IS Apl1 and plasmid elimination, demonstrating the instability of these genes under selective pressure.

The study identified various beta-lactamase genes such as bla CTX-M27, bla CTX-M55, bla CTX-M15, bla CTX-M14, bla CMY-2, bla CMY-42, bla SHV-2, bla SHV-12, bla SHV-28, bla SHV-1, bla DHA-1, and bla OXA-48, along with colistin resistance genes mcr-1-like and mcr-3-like in Escherichia coli and Klebsiella pneumoniae isolates from humans and livestock in Cambodia.

The study established a multi-LAMP assay for the rapid detection of mcr-1 to mcr-5 genes in colistin-resistant bacteria, demonstrating high sensitivity and specificity compared to conventional PCR.

The study identifies blaNDM and blaOXA-181 as the primary carbapenemase genes in the globally disseminated ST410 lineage of carbapenem-resistant E. coli (CREC). Additionally, mcr-1 and mcr-3 were found to confer colistin resistance, while rmtB and armA were linked to amikacin resistance.

The study reports the adaptation of the MALDIxin test for the MALDI Biotyper Sirius system to detect colistin resistance in E. coli by analyzing lipid A modifications, identifying various mcr genes (mcr-1, mcr-2, mcr-3, mcr-4, mcr-5, mcr-8) as contributors to colistin resistance.

The study identifies four novel variants of mcr-3 and mcr-8 genes in a colistin-resistant Klebsiella pneumoniae isolate from Laos, highlighting the co-occurrence of these genes and their role in colistin resistance.

The study identifies four novel variants of mcr-3 and mcr-8 genes in a colistin-resistant Klebsiella pneumoniae isolate from Laos, highlighting the co-occurrence of these genes and their role in colistin resistance.

The study identifies four novel variants of mcr-3 and mcr-8 genes in a colistin-resistant Klebsiella pneumoniae isolate from Laos, highlighting the co-occurrence of these genes and their role in colistin resistance.

The study identified antibiotic-resistant bacteria from houseflies, including S. aureus, Salmonella spp., and E. coli, carrying resistance genes mecA, tetA, tetB, and mcr-3.

The paper reviews the mechanisms of colistin resistance in multidrug-resistant Gram-negative bacteria, highlighting chromosomal mutations in genes such as pmrA, pmrB, phoP, phoQ, and mgrB that alter LPS modifications and contribute to resistance.

The study identified the co-occurrence of mcr-1, mcr-3, mcr-7.1, and various clinically relevant antimicrobial resistance genes in environmental and fecal samples from a Brazilian zoo, highlighting the potential reservoir of these genes in zoological environments.

The study identifies multiple antimicrobial resistance genes in Aeromonas caviae SCAc2001, including blaKPC, mcr-3.3, and others, highlighting the potential public health risks posed by this strain.

The study identified mcr-1, mcr-3, and mcr-5 as the main plasmid-mediated colistin resistance genes in Escherichia coli from Japanese pigs, highlighting their prevalence and impact on colistin resistance.

The study demonstrates that the ISKpn40 transposon mediates the mobilization of the colistin resistance gene mcr-3.11 in Escherichia coli, highlighting its potential to facilitate the spread of colistin resistance.

The study identified multiple antimicrobial resistance genes in Aeromonas veronii strain MS-17-88, including beta-lactamase genes (imiS, ampS), phenicol resistance genes (floR, catB2, catB7, vat(F)), colistin resistance genes (mcr-3, mcr-7.1), tetracycline resistance genes (tet(34), tet(35), tet(E)), and a trimethoprim resistance gene (dfrA3).

The study identifies multiple antimicrobial resistance genes, including mcr-1.1 and mcr-3.1, in multidrug-resistant E. coli isolates from pigs with postweaning diarrhea in China.

The study identifies mcr-3.1 and mcr-3.5 genes in colistin-resistant Escherichia coli isolates from diseased pigs in South Korea, highlighting the emergence of these variants in the pig industry.

The study identifies mcr-3.1 and mcr-3.5 genes in colistin-resistant Escherichia coli isolates from diseased pigs in South Korea, highlighting the emergence of these variants in the pig industry.

The study developed a multiplex PCR method for the rapid and efficient detection of mcr-1, mcr-2, mcr-3, mcr-4, mcr-5, mcr-7, mcr-8, and mcr-9 genes in colistin-resistant isolates.

The study identifies the co-occurrence of mcr-1.1 and mcr-3.7 genes in a multidrug-resistant E. coli isolate from China, highlighting the potential for horizontal gene transfer and the emergence of colistin resistance.

The study identified a novel mcr-3.41 gene in the Aeromonas veronii isolate C198, which confers resistance to colistin. Additionally, other resistance genes such as bla_cphA3, bla_OXA-12, tetA, adeF, and rsmA were found to contribute to resistance against various antibiotics.

The study identified several extended-spectrum beta-lactamase (ESBL) genes, including bla CTX-M-15, bla CTX-M-8, bla CTX-M-27, bla CTX-M-14, and bla CTX-M-55, along with mcr-1.1 and mcr-3.1 for colistin resistance. Additionally, various other resistance genes such as qnrS1, mdf(A), mph(A), and others were found in the isolates, indicating multidrug resistance.

The study identifies mcr-1, mcr-3.1, and mcr-3.5 as colistin resistance genes in Escherichia coli strains, highlighting their coexistence and genomic dynamics under selective pressures.

The study identifies mcr-1, mcr-3.1, and mcr-3.5 as colistin resistance genes in Escherichia coli strains, highlighting their coexistence and genomic dynamics under selective pressures.

The study identifies mcr-1, mcr-3.1, and mcr-3.5 as colistin resistance genes in Escherichia coli strains, highlighting their coexistence and genomic dynamics under selective pressures.

The study identified chromosomal mcr-3 and mcr-7 genes in Aeromonas strains from U.S. animal-derived samples, highlighting their role in colistin resistance.

The study identified chromosomal mcr-3 and mcr-7 genes in Aeromonas strains from U.S. animal-derived samples, highlighting their role in colistin resistance.

The study identified chromosomal mcr-3 and mcr-7 genes in Aeromonas strains from U.S. animal-derived samples, highlighting their role in colistin resistance.

The study identified chromosomal mcr-3 and mcr-7 genes in Aeromonas strains from U.S. animal-derived samples, highlighting their role in colistin resistance.

The study identified chromosomal mcr-3 and mcr-7 genes in Aeromonas strains from U.S. animal-derived samples, highlighting their role in colistin resistance.

The study identified novel mcr-3 variants (mcr-3.33, mcr-3.34, mcr-3.35, mcr-3.36, mcr-3.37) and mcr-5.1 in water samples from the Western Cape of South Africa, demonstrating their ability to confer colistin resistance through cloning and BMD testing.

The study identified novel mcr-3 variants (mcr-3.33, mcr-3.34, mcr-3.35, mcr-3.36, mcr-3.37) and mcr-5.1 in water samples from the Western Cape of South Africa, demonstrating their ability to confer colistin resistance through cloning and BMD testing.

The study identified novel mcr-3 variants (mcr-3.33, mcr-3.34, mcr-3.35, mcr-3.36, mcr-3.37) and mcr-5.1 in water samples from the Western Cape of South Africa, demonstrating their ability to confer colistin resistance through cloning and BMD testing.

The study identified novel mcr-3 variants (mcr-3.33, mcr-3.34, mcr-3.35, mcr-3.36, mcr-3.37) and mcr-5.1 in water samples from the Western Cape of South Africa, demonstrating their ability to confer colistin resistance through cloning and BMD testing.

The study identified novel mcr-3 variants (mcr-3.33, mcr-3.34, mcr-3.35, mcr-3.36, mcr-3.37) and mcr-5.1 in water samples from the Western Cape of South Africa, demonstrating their ability to confer colistin resistance through cloning and BMD testing.

The study identifies mcr-3 variants in Aeromonas isolates, demonstrating their role in colistin resistance through the addition of phosphoethanolamine to lipid A.

The study identifies mcr-3 as a mobile colistin resistance gene that modifies lipid A in Gram-negative bacteria, leading to high-level colistin resistance in Aeromonas salmonicida and Escherichia coli. It also shows that mcr-3-mediated lipid A modification helps bacteria evade host phagocytosis and enhances pathogenicity.

The study identified mcr-1, mcr-3, and mcr-5 genes in Escherichia coli and Salmonella isolates from pigs, pig carcasses, and pork in Thailand, Lao PDR, and Cambodia. These genes conferred resistance to colistin.

The paper reviews intrinsic and acquired colistin resistance mechanisms in bacteria, highlighting the role of genes such as pmrA, pmrB, phoP, phoQ, mgrB, arnBCADTEF, and mcr genes in conferring resistance. It discusses the importance of these genes in the context of colistin resistance and their implications for clinical treatment.

The study highlights the widespread use of antibiotics in food animal production in Bangladesh and identifies various antibiotic resistance genes, including mcr-1 to mcr-5, which confer resistance to colistin. These findings emphasize the need for improved antibiotic management practices to mitigate the spread of antimicrobial resistance.

The study identified 17 AMR genes in Aeromonas veronii isolates from tilapia, highlighting extensive antibiotic resistance traits, including resistance to beta-lactams, aminoglycosides, tetracyclines, and others.