Detection of bla NDM-1 Encoding Imepenemase among the Imipenem-Resistant Gram-Negative Bacilli Isolated from Various Clinical Samples at a Tertiary Care Hospital of Eastern Nepal:... by S. Gautam, N. R. Bhattarai, K. Rai, A. Poudyal, B. Khanal

“…These were screened for metallo-β-lactamase (MBL) production by phenotypic assays such as double-disc synergy test (DDST) and combined disc diffusion test (CDDT). …”
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Molecular Study of Acinetobacter baumannii Isolates for Metallo-β-Lactamases and Extended-Spectrum-β-Lactamases Genes in Intensive Care Unit, Mansoura University Hospital, Egypt by Nashwa M. Alkasaby, Maysaa El Sayed Zaki

“…Phenotypic expression of MBLs resistance was demonstrated by Combined Disk Test (CDT) in 273 isolates (97.5%) and of ESBLs was demonstrated by double disc synergy method (DDST) in 6 isolates (2.1%). …”
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Prevalence of Plasmid-Mediated Quinolone Resistance Determinants and OqxAB Efflux Pumps among Extended-Spectrum β-Lactamase Producing Klebsiella pneumoniae Isolated from Patients w... by Mehdi Goudarzi, Mehdi Azad, Sima Sadat Seyedjavadi

“…ESBL production was confirmed by double disc synergy test and combined disc diffusion test. …”
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Incidence of extended spectrum beta-lactamase (ESBL) producing Escherichia coli isolated from women with urinary tract infections in Jordan by Rania Al-Groom

“…ESBL production was measured using double disc diffusion. Furthermore, uniplex PCR was performed to identify two ESBL genes (blaCTX and blaTEM). …”
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Prevalence of Multidrug Resistance and Extended-Spectrum β-Lactamase Carriage of Clinical Uropathogenic Escherichia coli Isolates in Riyadh, Saudi Arabia by Abdulaziz Alqasim, Ahmad Abu Jaffal, Abdullah A. Alyousef

“…ESBL production was characterized at phenotypic and genotypic levels using double-disc synergy test and polymerase chain reaction, respectively. …”
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Fecal carriage of carbapenemase and AmpC-β-lactamase producers among extended spectrum β-Lactamase-producing E. coli and Klebsiella spp. isolates in patients attending hospitals by Zakaria Garba, Isidore J. O. Bonkoungou, Namwin Siourimè Somda, Magloire H. Natama, Georges Somé, Lassana Sangaré, Nicolas Barro, Halidou Tinto

“…ESBL production was confirmed by double disc synergy method. Carbapenemase and AmpC-β-lactamase production and phenotypic co-resistance were determined. …”
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Prevalence of Hyper virulence and Multidrug resistance Klebsiella pneumoniae isolates from UTI patients by Manar Abdul karim, Zainab Mohammed Alzubaidy, Khazal Dabua Wadi

“…The production of extended-spectrum beta-lactamases (ESBLs) was assessed through the utilisation of the double disc synergy test. Out of the total isolates of K. pneumoniae, 18 (60%) were identified as ESBL producers, while the remaining 12 (40%) were found to be non-producers.  …”
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Characteristics and spatiotemporal changes in phenotypes and genotypes of extended-spectrum β-lactamases in Escherichia coli isolated from bloodstream infections in China from 2014... by Sayyed Salman, Hao Xu, Yunbo Chen, Jinru Ji, Zhiying Liu, Yonghong Xiao

“…The phenotypic confirmation of ESBL was performed through the double-disc diffusion method. The genetic type was determined using polymerase chain reaction (PCR) followed by DNA sequencing. …”
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Assessment of Antibiotic Resistance Among Isolates of <i>Klebsiella</i> spp. and <i>Raoultella</i> spp. in Wildlife and Their Environment from Portugal: A Positive Epidemiologic Ou... by Carolina Sabença, Rani de la Rivière, Paulo Barros, João Alexandre Cabral, Roberto Sargo, Luís Sousa, Maria de Lurdes Enes Dapkevicius, Filipe Silva, Filipa Lopes, Ana Carolina Abrantes, Madalena Vieira-Pinto, Manuela Caniça, Gilberto Igrejas, Carmen Torres, Patrícia Poeta

“…Extended-spectrum β-lactamase (ESBL) production was tested by the double-disc synergy test, and one ESBL-producing <i>K. pneumoniae</i> isolate was screened by PCR and whole-genome sequencing. …”
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