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Loop-mediated isothermal amplification assays for screening of bacterial integrons Biol. Res.
Yu,Guangchao; Chen,Lei; Lin,Chii-wann; Li,Bing; Cui,Hemiao; Chen,Siyi; Miao,Jian; Bian,Huawei; Chen,Dingqiang; Deng,Yang.
BACKGROUND: The occurrence and prevalence of integrons in clinical microorganisms and their role played in antimicrobial resistance have been well studied recently. As screening and detection of integrons are concerned, current diagnostic methodologies are restricted by significant drawbacks and novel methods are required for integrons detection. RESULTS: In this study, three loop-mediated isothermal amplification (LAMP) assays targeting on class 1, 2 and 3 integrons were implemented and evaluated. Optimization of these detection assays were performed, including studing on the reaction temperature, volume, time, sensitivity and specificity (both primers and targets). Application of the established LAMP assays were further verified on a total of 1082...
Tipo: Journal article Palavras-chave: Loop-mediated isothermal amplification (LAMP); Integron screening; Bacterial integrons; Class 1 integron; Class 2 integron; Class 3 integron.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602014000100076
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Characterization of the variable region in the class 1 integron of antimicrobial-resistant Escherichia coli isolated from surface water BJM
Canal,Natália; Meneghetti,Karine Lena; Almeida,Clara Ponzi de; Bastos,Marina da Rosa; Otton,Letícia Muner; Corção,Gertrudes.
Abstract Fecal bacteria are considered to be a potential reservoir of antimicrobial resistance genes in the aquatic environment and could horizontally transfer these genes to autochthonous bacteria when carried on transferable and/or mobile genetic elements. Such circulation of resistance genes constitutes a latent public health hazard. The aim of this study was to characterize the variable region of the class 1 integron and relate its genetic content to resistance patterns observed in antimicrobial-resistant Escherichia coli isolated from the surface waters of Patos Lagoon, Southern Brazil. Genetic diversity of the isolates and presence of the qacEΔ1 gene, which confers resistance to quaternary ammonium compounds, were also investigated. A total of 27...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antibiotic resistance; Class 1 integron; Superficial water; Escherichia coli.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000200337
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