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Journal:   JOURNAL OF MICROBIAL WORLD   September 2018 , Volume 11 , Number 3 (36) ; Page(s) 269 To 277.
 
Paper: 

The Effect Of Silybin-Encapsulated Micelle Nanoparticles On Mexy Expression In Ciprofloxacin-Resistant Isolates Of Pseudomonas Aeruginosa

 
 
Author(s):  Ahmadi Roudbaraki Zahra, Ranji Najmeh*, Mohammadipour Aref, Ghasem Nejad Zahra
 
* Department of Biology, Faculty of Sciences, Rasht Azad University, Rasht, Iran.
 
Abstract: 
Background & Objectives: Pseudomonas aeruginosa is a major nosocomial infection in immunocompromised patients. Silybin as an herbal drug has anti-inflammatory and anti-cancer effects and recently further studies have been focused on its antibacterial functions. The aim of this study was to investigate the antibacterial effect of silybin on mexY gene expression in ciprofloxacin (CP)-resistant isolates of P. aeruginosa. Materials & Methods: In this study, six ciprofloxacin-resistant isolates of P. aeruginosa were both treated by ciprofloxacin (1/2 MIC) only as a control sample and in combination with silybinencapsulated micelles (nanoparticles) as the test sample. MBC test was performed 24 h after culture in Mueller-Hinton agar. After RNA extraction and cDNA synthesis, mexY expression was quantitatively investigated in silybin-treated and untreated cells. Results: Our findings showed that a combined silybin-encapsulated micelles and ciprofloxacin (1/2 MIC) treatment reduces the bacterial growth up to 50% after 24h. Also Q-RT-PCR analysis revealed that silybin-encapsulated micelles decrease mexY expression. Conclusion: Our results suggest that silybin could inhibit bacterial growth by decreasing mexXY-oprM efflux pump count on the cell surface.
 
Keyword(s): Ciprofloxacin,Nanoparticles,Pseudomonas aeruginosa,Silybin,mexY gene
 
 
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APA: Copy

Ahmadi Roudbaraki, Z., & RANJI, N., & MOHAMMADIPOUR, A., & GHASEM NEJAD, Z. (2018). The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa. JOURNAL OF MICROBIAL WORLD, 11(3 (36) ), 269-277. https://www.sid.ir/en/journal/ViewPaper.aspx?id=667638



Vancouver: Copy

Ahmadi Roudbaraki Zahra, RANJI NAJMEH, MOHAMMADIPOUR AREF, GHASEM NEJAD ZAHRA. The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa. JOURNAL OF MICROBIAL WORLD. 2018 [cited 2022May20];11(3 (36) ):269-277. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=667638



IEEE: Copy

Ahmadi Roudbaraki, Z., RANJI, N., MOHAMMADIPOUR, A., GHASEM NEJAD, Z., 2018. The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa. JOURNAL OF MICROBIAL WORLD, [online] 11(3 (36) ), pp.269-277. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=667638.



 
 
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