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22nd October 2018 Content supplied by: Alpha Laboratories Ltd
Multiplex Real-time PCR Kits Detect Clinically Relevant β-lactamase Genes
β-lactamase enzymes inactivate β-lactam antibiotics and render them ineffective for the treatment of clinically-important Gram-negative bacterial infections. ARM-D kits from Streck Inc., available in the UK from Alpha Laboratories Ltd., provide a comprehensive, cost-effective molecular method to detect the most clinically-important β-lactamases that confer resistance to penicillins, cephamycins and carbapenems.
The antibiotic resistance monitoring and detection (ARM-D) kits, are multiplex real-time PCR kits that can quickly detect more than 450 β-lactamase gene targets.
The ARM-D® Kit, β-Lactamase detects 9 different Carbapenemases, ESBLs and plasmid-mediated ampC gene families. The ARM-D® Kit, ampC kit targets 6 plasmid-mediated ampC resistance genes and can differentiate plasmid-mediated ampC β-lactamase resistance from chromosomal resistance.
These genotypic detection methods identify the most prevalent types of β-lactamase-based antibiotic resistance and complement phenotypic methods for the detection of multidrug resistant organisms. They can be used with standard susceptibility tests to improve surveillance and epidemiologic tracking, for improved infection control and increased effectiveness of antibiotic stewardship programs.
AmpC β-lactamases are chromosomally encoded in many bacterial species but transmissible plasmids with acquired genes for AmpC β-lactamases often cause increased β-lactamase production. AmpC β-lactamases overexpression can lead to resistance to most β-lactam antibiotics, causing therapeutic failure. As Gram-negative organisms producing multiple or plasmid-mediated β-lactamases are difficult to identify phenotypically, more specific detection methods are essential for the identification of clinically important β-lactamases and selection of the appropriate antibiotic therapy. Detection and genetic identification of both plasmid-mediated and chromosomally expressed AmpC β-lactamases are crucial for better understanding of these resistance mechanisms and, consequently, for active surveillance and infection control.
Please visit www.alphalabs.co.uk for further information or contact Alpha Laboratories on 0800 38 77 32
Date Published: 22nd October 2018
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