1. Hashemi A, Fallah F, Taherpour A. Evaluation of genetic pattern and determination of oqxA gene expression levels among clinical isolates of Klebsiella pneumoniae strains. J Mazandaran Univ Med Sci. 2014; 24(119): 48-61. [
Article]
2. Kim MH, Lee HJ, Park KS, Suh JT. Molecular characteristics of extended spectrum β-lactamases in Escherichia coli and Klebsiella pneumoniae and the prevalence of qnr in extended spectrum β-lactamase isolates in a tertiary care hospital in Korea. Yonsei Med J. 2010; 51(5): 768-74. [
DOI:10.3349/ymj.2010.51.5.768] [
PMID] [
PMCID]
3. Minarini LA, Darini ALC. Mutations in the quinolone resistance-determining regions of gyrA and parC in Enterobacteriaceae isolates from Brazil. Braz J Microbiol. 2012; 43(4): 1309-14. [
DOI:10.1590/S1517-83822012000400010] [
PMID]
4. Oliphant CM, Green GM. Quinolones: a comprehensive review. Am Fam Physician. 2002; 65(3): 455-64. [
Article]
5. Jacoby GA. Mechanisms of resistance to quinolones. Clin Infect Dis. 2005; 41: S120-S6. doi:10.1086/428052 [
DOI:10.1086/428052] [
PMID]
6. Al-Marquz F, Yusof M, Yasim M, Tay ST. Molecular analysis of ciprofloxacin resistance mechanisms in Malaysian ESBL-producing Klebsiella pneumoniae isolates and development of mismatch amplification mutation assays (MAMA) for rapid detection of gyrA and par C mutations. Biomed Res Int. 2014; 2014: 6D1630. [
DOI:10.1155/2014/601630] [
PMID] [
PMCID]
7. Jaktaji RP, Mohiti E. Study of mutations in the DNA gyrase gyrA gene of Escherichia coli. Iran J Pharm Res. 2010; 9(1): 43-8.
8. Norouzi A, Azizi O, Hosseini H, Shakibaie S. Amino acid substitution mutations analysis of gyrA and parC genes in clonal lineage of Klebsiella pneumoniae conferring high-level quinolone resistance. J Med Microbiol Infec Dis. 2014; 2(3): 109-17.
9. Kern W, Oethinger M, Jellen-Ritter A, Levy S. Non-target gene mutations in the development of fluoroquinolone resistance in Escherichia coli. Antimicrob. Agents Chemother. 2000; 44(4): 814-20. [
DOI:10.1128/AAC.44.4.814-820.2000] [
PMID] [
PMCID]
10. Linde HJ, Notka F, Irtenkauf C, et al. Increase in MICs of ciprofloxacin in vivo in two closely related clinical isolates of Enterobacter cloacae. J Antimicrob Chemother. 2002; 49(4): 625-30. [
DOI:10.1093/jac/49.4.625] [
PMID]
11. Oethinger M, Podglajen I, Kern WV, Levy SB. Overexpression of the mara or soxsregulatory gene in clinical topoisomerase mutants of Escherichia coli. Antimicrob Agents Chemother. 1998; 42(8): 2089-94. [
DOI:10.1128/AAC.42.8.2089] [
PMID]
12. Zhou XY, Ye XG, He LT, et al. In vitro characterization and inhibition of the interaction between ciprofloxacin and berberine against multidrug-resistant Klebsiella pneumoniae. J. Antibiot. 2016; 69(10): 741-46. [
DOI:10.1038/ja.2016.15] [
PMID] [
PMCID]
13. Zeth K, Kozjak-Pavlovic V, Faulstich M, et al. Structure and function of the PorB porin from disseminating Neisseria gonorrhoeae. Biochem. J. 2013; 449(3): 631-42. [
DOI:10.1042/BJ20121025] [
PMID]
14. Seyedpour SM, Eftekhar F. quinolone susceptibility and detection of qnr and aac (6')-ib-cr genes in community isolates of Klebsiella pneumoniae. Jundishapur J Microbiol. 2014; 7(1): e11136. [
DOI:10.5812/jjm.11136] [
PMID] [
PMCID]
15. Mirzaii M, Jamshidi S, Zamanzadeh M, et al. Determination of gyrA and parC mutations and prevalence of plasmid-mediated quinolone resistance genes in Escherichia coli and Klebsiella pneumoniae isolated from patients with urinary tract infection in Iran. J Glob Antimicrob Resist. 2018; 13: 197-200. [
DOI:10.1016/j.jgar.2018.04.017] [
PMID]
16. Moghadasi M, Mirzaee M, Mehrabi MR. Frequency of quinolone resistance and qnrb and qnrc genes in clinical isolates of Klebsiella pneumoniae. J Med Microbiol. 2017; 5(5-6): 39-45. [
Article]
17. Huang Y, Ogutu JO, Gu J, et al. Comparative analysis of quinolone resistance in clinical isolates of Klebsiella pneumoniae and Escherichia coli from Chinese children and adults. Biomed Res Int. 2015; 2015: 168292. [
DOI:10.1155/2015/168292] [
PMID] [
PMCID]
18. Erac B, Gill A, Amyes S, Gülay Z. Mutations of gyrA in ciprofloxacin resistant Escherichia coli strains. Mikrobiyol Bul. 2003; 37(2-3): 125-30.
19. Fu Y, Zhang W, Wang H, et al. Specific patterns of gyr A mutations determine the resistance difference to ciprofloxacin and levofloxacin in Klebsiella pneumoniae and Escherichia coli. BMC Infect Dis. 2013; 13(1): 8. [
DOI:10.1186/1471-2334-13-8] [
PMID] [
PMCID]
20. Fu Y, Guo L, Xu Y, et al. Alteration of GyrA amino acid required for ciprofloxacin resistance in Klebsiella pneumoniae isolates in China. Antimicrob Agents Chemother. 2008; 52(8): 2980-3. [
DOI:10.1128/AAC.00151-08] [
PMID] [
PMCID]
21. Taheri M, Moradi M, Mortazavi S, Mansouri S, Hatam G, Nouri F. Evaluation of the 900 MHz radiofrequency radiation effects on the antimicrobial susceptibility and growth rate of Klebsiella pneumoniae. Shiraz E Med J. 2017; 18(3). [
DOI:10.17795/semj44946]
22. Amin Shahidi M, Anvarinejad M, Abbasian A, et al. Characterization of multi-drug resistant ESBL producing nonfermenter bacteria isolated from patients blood samples using phenotypic methods in Shiraz (Iran). J Birjand Univ Med Sci. 2015; 22(3): 256-65.
23. Abbas Poor S, Mardaneh J, Dehbashi S, Jasemi SS. Profile of antimicrobial susceptibility isolated microorganisms from hospitalized patients in PICU ward and detection of methicillin-resistant Staphylococcus aureus and ESBL-producing bacteria by phenotypic methods. Iran South Med J. 2014; 17(4): 647-57.