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Title

Comparative Prevalence of blaCTX-M-15 Gene with Virulence Genes and Serotypes in Klebsiella pneumoniae

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Abstract

 Background: A newly emerged hypervirulent strain of Klebsiella pneumoniae has caused great concern globally; however, its molecular characteristics have been rarely reported in Iran. Objectives: The goal of this study was to detect the virulence determinants and serotypes of K. pneumoniae and to evaluate the association among selected virulence traits and blaCTX-M-15 gene in southeastern Iran. Methods: One hundred and three non-duplicate K. pneumoniae strains were isolated from clinical samples. The isolates were identified by standard bacteriological tests. Confirmed isolates were examined to detect a selection of virulence genes (wabG, rmpA and iucB) and serotypes (K1, K2, K5 and K20) by PCR. The isolates were studied foe the presence of beta-lactamase (blaCTX-M-15) gene. SPSS software (version 19. 0) was used for data analysis. Results: Among the 103 K. pneumoniae isolates, 61 (59. 2%) isolates were positive for wabG, 4 (3. 9%) for iucB and 3 (2. 9%) for rmpA genes. The presence of K20 in 3. 9% (4/103) of the isolates represented the most prevalent. Only 3 (2. 9%) isolates possessed the K1 serotype, while K2 and K5 serotypes were not detected in any isolate. The blaCTX-M-15 gene was detected in 47 (45. 6%) isolates. blaCTX-M-15-positive isolates showed a higher prevalence of wabG among the studied isolates (P < 0. 05). Conclusions: Our data indicate a correlation between presence of virulence gene and blaCTX-M-15 in K. pneumonia isolates. Further research should be undertaken to unravel aspects of both Virulence Factors and Antibiotic Resistance whichmayprobably contribute to managing future spread of infectious diseases.

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    APA: Copy

    JAJARMI, MAZIAR, AFLATOONIAN, MOHAMMAD REZA, KALANTAR NEYESTANAKI, DAVOOD, SHOJA, SAEED, & GHANBARPOUR, REZA. (2018). Comparative Prevalence of blaCTX-M-15 Gene with Virulence Genes and Serotypes in Klebsiella pneumoniae. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 11(4), 0-0. SID. https://sid.ir/paper/317929/en

    Vancouver: Copy

    JAJARMI MAZIAR, AFLATOONIAN MOHAMMAD REZA, KALANTAR NEYESTANAKI DAVOOD, SHOJA SAEED, GHANBARPOUR REZA. Comparative Prevalence of blaCTX-M-15 Gene with Virulence Genes and Serotypes in Klebsiella pneumoniae. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2018;11(4):0-0. Available from: https://sid.ir/paper/317929/en

    IEEE: Copy

    MAZIAR JAJARMI, MOHAMMAD REZA AFLATOONIAN, DAVOOD KALANTAR NEYESTANAKI, SAEED SHOJA, and REZA GHANBARPOUR, “Comparative Prevalence of blaCTX-M-15 Gene with Virulence Genes and Serotypes in Klebsiella pneumoniae,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 11, no. 4, pp. 0–0, 2018, [Online]. Available: https://sid.ir/paper/317929/en

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