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Observing the presence of efflux pump activities in some clinically isolated bacterial strains      
Yazarlar
Eda Altınöz
Prof. Dr. Ergin Murat ALTUNER Prof. Dr. Ergin Murat ALTUNER
Türkiye
Özet
Chemotherapeutic agents are substances that cure infectious diseases for many years. However, problems arose due to drug resistance that developed over time and it was observed that the drugs failed to kill the bacteria. Studies have been carried out to find the factor caused by drug resistance that adversely affect the disease treatment, and these studies continue today. There are different types of resistance mecha­nisms. Efflux pumps are just one of these mechanisms. Efflux pumps cannot enter and release the drug into the cell. Thus, the microorganism becomes resistant to the drug used. If this resistance is inhibited, the drug may work. A variety of chemical or natural inhibitors are available for inhibition. However, since they cause toxicity problems, their clinical use is not currently available. Studies in this area are ongoing. There are studies to determine the activity of the efflux pump. The activity of this mechanism can be detected with ethidium bromide (EtBr). In this study, it was aimed to determine the efflux pump activity of some resistant clinically isolated strains using EtBr dye. The strains that are Acinetobacter baumannii, Candida albicans, Candida glabrata, Candida tropicalis, Klebsiella pneumoniae, Providencia rustigianii, Serratia odoríf­era, Shigella flexneri, Staphylococcus aureus and Streptococcus pneumoniae microorganisms. Cartwheel method was applied on agars containing TSB with EtBr with different concentrations (0.0 mg/L, 0.5 mg/L, mg/L, 1.5 mg/L, 2.0 mg/L and 2.5 mg/L). After the incubation, activation case was observed under UV light. It is concluded that each strain used has efflux pump activity. EtBr was released at 0.5 mg/L and did not fluoresce. Difference in fluorescence was observed under EtBr UV between 1.0 mg/L and 2.5 mg/L.
Anahtar Kelimeler
Drug resistance | efflux pump activities | clinically isolated bacterial strains | EtBr | inhibitors | UV
Makale Türü Özgün Makale
Makale Alt Türü ESCI dergilerinde yayımlanan tam makale
Dergi Adı INTERNATIONAL JOURNAL OF BIOLOGY AND CHEMISTRY
Dergi ISSN 2218-7979
Dergi Tarandığı Indeksler E-SCI
Makale Dili İngilizce
Basım Tarihi 01-2022
Cilt No 15
Sayı 1
Sayfalar 48 / 54
Doi Numarası 10.26577/ijbch.2022.v15.i1.05
Makale Linki https://ijbch.kaznu.kz/index.php/kaznu/article/view/488