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Medical Laboratory Journal، جلد ۱۱، شماره ۶، صفحات ۳۵-۴۱
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| عنوان فارسی |
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| عنوان انگلیسی |
Effect of Mutation in Efflux Pump Regulatory Protein (MexR) of Pseudomonas aeruginosa: A Bioinformatic Study |
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| چکیده انگلیسی مقاله |
ABSTRACT Background and Objectives: Pseudomonas aeruginosa is an important non-fermenting gram-negative hospital-acquired pathogen. Treatment of P. aeruginosa infections has become more challenging due to overexpression of efflux pumps. The aim of the present study was to apply in silico analysis to evaluate the structure of the efflux pump regulatory protein, MexR, and impact of mutation on its stability and function. Methods: Different bioinformatics tools including EXPASY, PROTEER, TECCOFFE, iStable, I-Mutant 2, STRING, ESPript, GOR IV, and PDB were used in the study. Results: Aliphatic and instability indices were 104.15, and 46.52, respectively, indicating that the protein has a relatively short half-life. Most mutations decreased protein stability. Twenty-four mutations were identified as deleterious, with negative impact on the protein's function. Conclusion: Determination of structure, variability, and function of MexR could be useful for modeling of treatment and control of multidrug resistant P. aeruginosa, with overexpressed efflux pump. We found that MexR is a relatively unstable and conserved protein and the majority of mutations decrease its stability. Keywords: Pseudomonas aeruginosa, MexR protein, Drug resistance, drug resistance multiple. |
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| نویسندگان مقاله |
حمید واعظ | hamid vaez
department of microbiology, school of medicine, zabol university of medical sciences, zabol, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی زابل (Zabol university of medical sciences)
وحید واعظ | vahid vaez
department of veterinary medicine, islamic azad university, karaj branch, karaj, iran
سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)
فرزاد خادمی | farzad khademi
department of microbiology, school of medicine, ardabil university of medical sciences, ardabil, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی اردبیل (Ardabil university of medical sciences)
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| نشانی اینترنتی |
http://goums.ac.ir/mljgoums/browse.php?a_code=A-10-1-488&slc_lang=fa&sid=en |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/168/article-168-572243.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
تخصصی |
| نوع مقاله منتشر شده |
تحقیقی |
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