A COMPARISON BETWEEN THE EFFECTS OF ANTIBIOTICS AND CELL FREE SUPERNATANT OF LACTOBACILLUS SPP. ON GROWTH OF ESBL POSITIVE K. PNEUMONIA

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HEYDARI LAYA; KASRA KERMANSHAHI ROOHA; FEIZABADI MOHAMMAD MEHDI

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Journal: IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY Year:2016 | Volume:10 | Issue:1 Page(s): 44-55

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Title

A COMPARISON BETWEEN THE EFFECTS OF ANTIBIOTICS AND CELL FREE SUPERNATANT OF LACTOBACILLUS SPP. ON GROWTH OF ESBL POSITIVE K. PNEUMONIA

Author(s)

HEYDARI LAYA | KASRA KERMANSHAHI ROOHA | FEIZABADI MOHAMMAD MEHDI | Issue Writer Certificate

Keywords

KLEBSIELLA PNEUMONIAEQ2

ANTIBIOTIC RESISTANCEQ3

CELL FREE SUPERNATANT OF LACTOBACILLUS SPPQ2

Abstract

Background and Aim: Within recent 15 years, extended spectrum beta lactamase (ESBL) positive agents have caused many infections which could be a serious threat to the antibiotic therapy. The aim of this study is to compare the effect of antibiotics and cell free supernatant (CFS) of Lactobacillus spp. culture on the survival of K. pneumoniae ESBL positive isolates that cause nosocomial infections.Materials and Methods: The antibiograms were determined for 7 K. pneumonia clinical isolates (expressing CTX-M, TEM and SHV beta-lactamases) according to Kirby-Bauer method. Minimum Inhibitory Concentration and Minimum Bactericidal Concentration for selected antibiotics were determined according to CLSI guidelines. In order to evaluate the effect of Lactobacillus acidophilus, L. casei, L. fermentum, L. plantarum and L. rhamnosus’ CFS on K. pneumoniae isolates, well-diffusion method, MIC and MBC determination were used. To determine the probable effective agent of CFS on inhibition of K. pneumoniae growth, CFS were neutralized and evaluated again according to MODA method.Results: All K. pneumoniae isolates were resistant to gentamicin, cephalothin, ceftazidime and ciproflpxacin. The CFS of L. plantarum and L. rhamnosus and their acidic metabolites had the most antimicrobial effect.Conclusions: Functional disorder would occur through enzymes inactivation and increasing cell membrane permeability by the effect of acidic metabolites of CFS, while K. pneumoniae isolates became resistant to some antibiotics with specific site of action. Therefore, CFS of Lactobacillus spp. could be an appropriate alternative for selected antibiotics against these K. pneumoniae isolates.

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APA: Copy

HEYDARI, LAYA, KASRA KERMANSHAHI, ROOHA, & FEIZABADI, MOHAMMAD MEHDI. (2016). A COMPARISON BETWEEN THE EFFECTS OF ANTIBIOTICS AND CELL FREE SUPERNATANT OF LACTOBACILLUS SPP. ON GROWTH OF ESBL POSITIVE K. PNEUMONIA. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, 10(1), 44-55. SID. https://sid.ir/paper/132605/en

Vancouver: Copy

HEYDARI LAYA, KASRA KERMANSHAHI ROOHA, FEIZABADI MOHAMMAD MEHDI. A COMPARISON BETWEEN THE EFFECTS OF ANTIBIOTICS AND CELL FREE SUPERNATANT OF LACTOBACILLUS SPP. ON GROWTH OF ESBL POSITIVE K. PNEUMONIA. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY[Internet]. 2016;10(1):44-55. Available from: https://sid.ir/paper/132605/en

IEEE: Copy

LAYA HEYDARI, ROOHA KASRA KERMANSHAHI, and MOHAMMAD MEHDI FEIZABADI, “A COMPARISON BETWEEN THE EFFECTS OF ANTIBIOTICS AND CELL FREE SUPERNATANT OF LACTOBACILLUS SPP. ON GROWTH OF ESBL POSITIVE K. PNEUMONIA,” IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, vol. 10, no. 1, pp. 44–55, 2016, [Online]. Available: https://sid.ir/paper/132605/en

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