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Volume 22, Number 10—October 2016
Research

Carbapenem Resistance in Clonally Distinct Clinical Strains of Vibrio fluvialis Isolated from Diarrheal Samples

Goutam Chowdhury, Gururaja Perumal Pazhani, Anirban Sarkar, Krishnan Rajendran, Asish K. Mukhopadhyay, Mihir K. Bhattacharya, Amit Ghosh, and Thandavarayan RamamurthyComments to Author 
Author affiliations: National Institute of Cholera and Enteric Diseases, Kolkata, India (G. Chowdhury, G.P. Pazhani, A. Sarkar, K. Rajendran, A.K. Mukhopadhyay, M.K. Bhattacharya, A. Ghosh, T. Ramamurthy); National Institute of Pharmaceutical Education and Research, Kolkata (G.P. Pazhani); Translational Health Science and Technology Institute, Faridabad, India (T. Ramamurthy)

Main Article

Table 1

Antimicrobial drug resistance genes and MICs of Vibrio fluvialis isolates in study of diarrheal fecal samples from patients in Kolkata, India, May 2009–September 2013*†

Isolate no. Resistance gene profile MIC, μg/mL
IPM CTX TAZ PM CIP NOR CN TET†
IDH 03626 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, aadB,aac(6´)-Ib-cr, sul1 8 >16 >32 >16 32 16 >32 ND
IDH 03631 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 32 16 >32 ND
IDH 03645 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 >32 48 >32 ND
IDH 03671 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 >32 16 >32 ND
IDH 03679 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 32 24 >32 ND
IDH 03893 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, tetB, sul1, sul3 4 >16 >32 >16 8 12 >32 24
BCH01733 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, tetB, sul1, sul3 32 >16 >32 >16 8 12 >32 24
IDH 04022 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 >32 24 >32 ND
IDH 04149 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3 4 >16 >32 >16 8 12 >32 ND
IDH 04166 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, aadB, aac(6´)-Ib-cr, sul1 8 >16 >32 >16 >32 16 >32 ND
IDH 04169 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 32 16 >32 ND
IDH 04228 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3 8 >16 >32 >16 >32 32 >32 ND
IDH 04252 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr 32 >16 >32 >16 32 24 >32 ND
IDH 04325 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 16 16 >32 ND
IDH 04326 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 16 >16 >32 >16 >32 16 >32 ND
IDH 04382 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 32 16 >32 ND
IDH 04414 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 >32 32 >32 ND
BCH02360 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 32 24 >32 ND
IDH 04568 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, tetB, sul1, sul3, floR 32 >16 >32 >16 12 4 >32 16
IDH 04607 blaNDM-1, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 32 >16 >32 >16 32 24 >32 ND
IDH 04744 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, tetB, sul1, sul3, floR 32 >16 >32 >16 >32 32 >32 24
IDH 05335 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 >32 24 >32 ND
IDH 05715 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 2 >16 >32 >16 >32 32 >32 ND
IDH 05720 blaNDM-1, blaTEM-9, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 8 >16 >32 >16 8 6 >32 ND
IDH 05733 blaNDM-1, blaTEM-9, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 32 >16 >32 >16 32 24 >32 ND
IDH 05799 blaNDM-1, blaTEM-9, blaCTX-M-3, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR 24 >16 >32 >16 32 32 >32 ND
IDH 05818
 blaNDM-1, blaTEM-9, blaOXA-1, blaOXA-7, blaOXA-9, aadA1, strA, aadB, aac(6´)-Ib-cr, sul1, sul3, floR
 32
 >16
 >32
 >16
 32
 32
 >32
 ND
*All isolates were positive in the modified Houge test and susceptible for imipenem with EDTA. CIP, ciprofloxacin; CN, cefotetan; CTX, cefotaxime; IPM, imipenem; ND, not done; NOR, norfloxacin; PM, cefepime; TET, tetracycline; TAZ, ceftazidime.
†MIC assay was not done for TET-susceptible isolates.

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