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Genomic Identity of Fluoroquinolone-Resistant blaCTX-M-15-Type ESBL and pMAmpC β-Lactamase Producing Klebsiella pneumoniae from Buffalo Milk, India

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Title Genomic Identity of Fluoroquinolone-Resistant blaCTX-M-15-Type ESBL and pMAmpC β-Lactamase Producing Klebsiella pneumoniae from Buffalo Milk, India
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Creator Samiran Bandyopadhyay, Jaydeep Banerjee, Debaraj Bhattacharyya, Indranil Samanta, Achintya Mahanti, Tapan K Dutta, Sarbaswarup Ghosh, Pramod K Nanda, Premanshu Dandapat, Subhasish Bandyopadhyay
 
Subject buffalo milk CTX-M-15 ESBL Klebsiella pneumoniae pMAmpC quinolone resistance
 
Description Not Available
We investigated the occurrence of extended-spectrum β-lactamase (ESBL) and AmpC-type β-lactamase (ACBL) producing quinolone-resistant Klebsiella pneumoniae (KP) in milk samples of apparently healthy buffaloes (n = 348) and buffaloes (n = 19) with evidence of subclinical mastitis from seven districts of West Bengal, India. In total, 12 ESBL producing KP were isolated with blaCTX-M-15 gene and 7 of them were ACBL producers, as well. The blaCTX-M-15 genes were carried by transposable element ISEcp1. The plasmid-mediated quinolone resistance genes—qnrS, qnrA, qnrB, qepA, and aac(6′)-Ib-cr were detected in five, one, three, four, and one isolate (s), respectively. In addition, eight isolates carried mutation in gyrase (gyrA) and six in topoisomerase IV (parC). Resistance markers/genes for sulfonamide (sul1), tetracycline [tet(A) and tet(B)], and aminoglycoside (aacC2) were also detected in eight, four, and one isolate(s), respectively. The class I integrons identified in five isolates carried aad2/aad5 and dfrA12/dfrA17 gene cassettes. The enterobacterial repetitive intergenic consensus-PCR revealed that all the isolates were genetically diverse and comprised a heterogeneous population. Isolation of multidrug-resistant KP, a typical nosocomial pathogen from buffalo milk, reiterates the need to monitor farm animals for ESBL producing Enterobacteriaceae and emphasizes on judicious use of antibiotics in animal husbandry sector.
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Date 2023-05-22T05:48:54Z
2023-05-22T05:48:54Z
2018-11-12
 
Type Journal
 
Identifier 19
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http://krishi.icar.gov.in/jspui/handle/123456789/77689
 
Language English
 
Relation Not Available;
 
Publisher Mary Ann Liebert