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Aydemir E, Odabaş Köse E, Yavuz M, Kilit AC, Korkut A, Özkaya Gül S, Sarikurkcu C, Celep ME, Göktürk RS. Phenolic Compound Profiles, Cytotoxic, Antioxidant, Antimicrobial Potentials and Molecular Docking Studies of Astragalus gymnolobus Methanolic Extracts. Plants (Basel) 2024; 13:658. [PMID: 38475504 DOI: 10.3390/plants13050658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024]
Abstract
Since Astragalus is a genus with many important medicinal plant species, the present work aimed to investigate the phytochemical composition and some biological activities of Astragalus gymnolobus. The methanolic fractions of four organs (stems, flowers, leaves, root and whole plant) were quantified and identified by Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS) analysis. Hesperidin, hyperoside, p-hydroxybenzoic acid, protocatechuic acid and p-coumaric acid were identified as main compounds among the extracts. Among all cells, leaf methanol (Lm) extract had the highest cytotoxic effect on HeLa cells (IC50 = 0.069 μg/mL). Hesperidin, the most abundant compound in A. gymnolobus extract, was found to show a strong negative correlation with the cytotoxic effect observed in HeLa cells according to Pearson correlation test results and to have the best binding affinity to targeted proteins by docking studies. The antimicrobial activity results indicated that the most susceptible bacterium against all extracts was identified as Streptococcus pyogenes with 9-11 mm inhibition zone and 8192 mg/mL MIC value. As a result of the research, it was suggested that A. gymnolobus could be considered as a promising source that contributes to the fight against cancer.
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Affiliation(s)
- Esra Aydemir
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
| | - Elif Odabaş Köse
- Medical Laboratory Program, Vocational School of Health Services, Akdeniz University, Antalya TR-07058, Turkey
| | - Mustafa Yavuz
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
| | - A Cansu Kilit
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
| | - Alaaddin Korkut
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
| | - Serap Özkaya Gül
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
| | - Cengiz Sarikurkcu
- Department of Analytical Chemistry, Faculty of Pharmacy, Afyonkarahisar Health Sciences University, Afyonkarahisar TR-03100, Turkey
| | - Mehmet Engin Celep
- Department of Pharmacognosy, Faculty of Pharmacy, Yeditepe University, Atasehir, Istanbul TR-34755, Turkey
| | - R Süleyman Göktürk
- Department of Biology, Faculty of Science, Akdeniz University, Antalya TR-07058, Turkey
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Odabaş Köse E, Koyuncu Özyurt Ö, Bilmen S, Er H, Kilit C, Aydemir E. Quercetin: Synergistic Interaction with Antibiotics against Colistin-Resistant Acinetobacter baumannii. Antibiotics (Basel) 2023; 12:antibiotics12040739. [PMID: 37107101 PMCID: PMC10135113 DOI: 10.3390/antibiotics12040739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Infections caused by resistant strains of Acinetobacter baumannii are now a global problem that requires the immediate development of new antimicrobial drugs. Combination therapy is one of the strategies used to solve this problem. Based on this information, the purpose of this study was to determine whether quercetin (QUE), in combination with three antibiotics, is effective against colistin-resistant A. baumannii strains (ColR-Ab). The effects of the combination of QUE with colistin (COL), amikacin (AMK), and meropenem (MEM) were evaluated according to the checkerboard synergy test. The combinations of QUE + COL and QUE + AMK showed synergistic activity on ColR-Ab strains with FICI values in the range of 0.1875-0.5 and 0.1875-0.2825, respectively. A 4- to 16-fold decrease in COL MIC and a 16- to 64-fold decrease in AMK MIC values were detected. Synergistic activity was confirmed by the time-kill test, and these combinations were found to be bactericidal at the end of 24 h. According to spectrophotometric measurements, the combinations of QUE + COL and QUE + AMK induced membrane damage, leading to the leakage of nucleic acids. Cell lysis and cell death were confirmed with SEM observations. The detected synergy offers an opportunity for the future development of treatment strategies for potential infections caused by ColR-Ab strains.
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Affiliation(s)
- Elif Odabaş Köse
- Vocational School of Health Services, Akdeniz University, 07058 Antalya, Turkey
| | - Özlem Koyuncu Özyurt
- Department of Medical Microbiology, Faculty of Medicine, Akdeniz University, 07070 Antalya, Turkey
| | - Süreyya Bilmen
- Vocational School of Health Services, Akdeniz University, 07058 Antalya, Turkey
| | - Hakan Er
- Vocational School of Health Services, Akdeniz University, 07058 Antalya, Turkey
- Department of Biophysics, Faculty of Medicine, Akdeniz University, 07070, Antalya, Turkey
| | - Cansu Kilit
- Department of Biology, Faculty of Science, Akdeniz University, 07070 Antalya, Turkey
| | - Esra Aydemir
- Department of Biology, Faculty of Science, Akdeniz University, 07070 Antalya, Turkey
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Sözmen F, Uysal B, Köse EO, Aktaş Ö, Cinbilgel I, Oksal BS. Extraction of the Essential Oil from Endemic Origanum bilgeri P.H.Davis with Two Different Methods: Comparison of the Oil Composition and Antibacterial Activity. Chem Biodivers 2012; 9:1356-63. [DOI: 10.1002/cbdv.201100259] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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