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Ephedra foeminea as a Novel Source of Antimicrobial and Anti-Biofilm Compounds to Fight Multidrug Resistance Phenotype. Int J Mol Sci 2023; 24:ijms24043284. [PMID: 36834695 PMCID: PMC9965181 DOI: 10.3390/ijms24043284] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/28/2023] [Accepted: 02/02/2023] [Indexed: 02/10/2023] Open
Abstract
Plants are considered a wealthy resource of novel natural drugs effective in the treatment of multidrug-resistant infections. Here, a bioguided purification of Ephedra foeminea extracts was performed to identify bioactive compounds. The determination of antimicrobial properties was achieved by broth microdilution assays to evaluate minimal inhibitory concentration (MIC) values and by crystal violet staining and confocal laser scanning microscopy analyses (CLSM) to investigate the antibiofilm capacity of the isolated compounds. Assays were performed on a panel of three gram-positive and three gram-negative bacterial strains. Six compounds were isolated from E. foeminea extracts for the first time. They were identified by nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS) analyses as the well-known monoterpenoid phenols carvacrol and thymol and as four acylated kaempferol glycosides. Among them, the compound kaempferol-3-O-α-L-(2″,4″-di-E-p-coumaroyl)-rhamnopyranoside was found to be endowed with strong antibacterial properties and significant antibiofilm activity against S. aureus bacterial strains. Moreover, molecular docking studies on this compound suggested that the antibacterial activity of the tested ligand against S. aureus strains might be correlated to the inhibition of Sortase A and/or of tyrosyl tRNA synthase. Collectively, the results achieved open interesting perspectives to kaempferol-3-O-α-L-(2″,4″-di-E-p-coumaroyl)-rhamnopyranoside applicability in different fields, such as biomedical applications and biotechnological purposes such as food preservation and active packaging.
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Haddaji F, Papetti A, Noumi E, Colombo R, Deshpande S, Aouadi K, Adnan M, Kadri A, Selmi B, Snoussi M. Bioactivities and in silico study of Pergularia tomentosa L. phytochemicals as potent antimicrobial agents targeting type IIA topoisomerase, TyrRS, and Sap1 virulence proteins. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:25349-25367. [PMID: 33454827 DOI: 10.1007/s11356-020-11946-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
Pergularia tomentosa L. (P. tomentosa) has been largely used in Tunisian folk medicine as remedies against skin diseases, asthma, and bronchitis. The main objectives of this study were to identify phytochemical compounds that have antioxidant and antimicrobial properties from the stem, leaves, and fruit crude methanolic extracts of P. tomentosa, and to search for tyrosyl-tRNA synthetase (TyrRS), topoisomerase type IIA, and Candidapepsin-1 (SAP1) enzyme inhibitors through molecular docking study. Phytochemical quantification revealed that fruit and leaves extracts displayed the highest total flavonoids (582 mg QE/g Ex; 219 mg QE/g Ex) and tannins content (375 mg TAE/g Ex; 216 mg TAE/g Ex), also exhibiting significant scavenging activity to decrease free radicals for ABTS, DPPH, β-carotene, and FRAP assay with IC50 values (> 1 mg/mL). Additionally, promising antimicrobial activities towards different organs have been observed against several bacteria and Candida strains. From the liquid chromatography-mass spectrometry (LC-MS) analysis, five polyphenolic compounds, namely digitoxigenin, digitonin glycoside and calactina in the leaves, kaempferol in the fruit, and calotropagenin in the stems, were identified. They were also analyzed for their drug likeliness, based on computational methods. Molecular docking study affirmed that the binding affinity of calactin and actodigin to the active site of TyrRS, topoisomerase type IIA, and SAP1 target virulence proteins was the highest among the examined dominant compounds. Therefore, this study indicated that P. tomentosa methanolic extracts displayed great potential to become a potent antimicrobial agent and might be a promising source for therapeutic and nutritional functions. These phytocompounds could be further promoted as a candidate for drug discovery and development.
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Affiliation(s)
- Fatma Haddaji
- Laboratory of Genetics, Biodiversity and Valorization of Bio-resources (LR11ES41), University of Monastir, Higher Institute of Biotechnology of Monastir, Avenue Tahar Haddad, BP74, 5000, Monastir, Tunisia
| | - Adele Papetti
- Nutraceutical & Food Chemical-Toxicological Analysis Laboratory, Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Emira Noumi
- Department of Biology, College of Science, University of Ha'il, P.O. 2440, Hail, Saudi Arabia
- Laboratory of Bioressources: Integrative Biology and Valorization, (LR14-ES06), University of Monastir, Higher Institute of Biotechnology of Monastir, Avenue Tahar Haddad, BP 74, 5000, Monastir, Tunisia
| | - Raffaella Colombo
- Nutraceutical & Food Chemical-Toxicological Analysis Laboratory, Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Sumukh Deshpande
- Central Biotechnology Services, College of Biomedical and Life Sciences, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Kaïss Aouadi
- Faculty of Science and Arts in Baljurashi, Albaha University, P.O. Box 1988, Albaha, Saudi Arabia
- Faculty of Science of Monastir, Laboratory of Hetrocyclic Chemistry, Natural Products and Reactivity, Avenue of the Environment, University of Monastir, 5019, Monastir, Tunisia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Ha'il, P.O. 2440, Hail, Saudi Arabia
| | - Adel Kadri
- Faculty of Science of Sfax, Department of Chemistry, University of Sfax, B.P. 1171, 3000, Sfax, Tunisia
- Department of Chemistry, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia
| | - Boulbaba Selmi
- Laboratory of Bioressources: Integrative Biology and Valorization, (LR14-ES06), University of Monastir, Higher Institute of Biotechnology of Monastir, Avenue Tahar Haddad, BP 74, 5000, Monastir, Tunisia
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Ha'il, P.O. 2440, Hail, Saudi Arabia.
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Mohebali F, Nazifi Z, Mohamad Reza Nazifi S, Mohammadian H, Massah AR. Synthesis, molecular docking studies, and absorption, distribution, metabolism, and excretion prediction of novel sulfonamide derivatives as antibacterial agents. J CHIN CHEM SOC-TAIP 2019. [DOI: 10.1002/jccs.201800207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Farzaneh Mohebali
- Department of Chemistry, Shahreza BranchIslamic Azad University Isfahan Iran
| | - Zahrasadat Nazifi
- Department of Chemistry, Shahreza BranchIslamic Azad University Isfahan Iran
- Razi Chemistry Research Center, Shahreza BranchIslamic Azad University Isfahan Iran
| | - Seyed Mohamad Reza Nazifi
- Department Medicinal Chemistry, School of Pharmacy and Pharmaceutical SciencesIsfahan University of Medical Sciences Isfahan Iran
| | - Hossein Mohammadian
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical SciencesIsfahan University of Medical Sciences Isfahan Iran
| | - Ahmad R. Massah
- Department of Chemistry, Shahreza BranchIslamic Azad University Isfahan Iran
- Razi Chemistry Research Center, Shahreza BranchIslamic Azad University Isfahan Iran
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Matejić JS, Stojanović-Radić ZZ, Ristić MS, Veselinović JB, Zlatković BK, Marin PD, Džamić AM. Chemical characterization, in vitro biological activity of essential oils and extracts of three Eryngium L. species and molecular docking of selected major compounds. Journal of Food Science and Technology 2018; 55:2910-2925. [PMID: 30065400 DOI: 10.1007/s13197-018-3209-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 04/29/2018] [Accepted: 05/09/2018] [Indexed: 11/29/2022]
Abstract
Many Eryngium species have been traditionally used as ornamental, edible or medicinal plants. The gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS) analyses have shown that the major compounds in the aerial parts were spathulenol (in E. campestre and E. palmatum oils) and germacrene D (in E. amethystinum oil). The main compounds in the root oil were nonanoic acid, 2,3,4-trimethylbenzaldehyde and octanoic acid for E. campestre, E. amethystinum and E. palmatum, respectively. All the oils expressed the highest potential against Gram-positive bacteria Staphylococcus aureus as well as Gram-negative Klebsiella pneumoniae and Proteus mirabilis. Molecular docking analysis was used for determining a potential antibacterial activity mechanism of compounds present in the essential oils. Molecular docking confirmed that the binding affinity of spathulenol to the active site of tyrosyl-tRNA synthetase was the highest among the tested dominant compounds. Regarding the total phenolic content (determined by the Folin-Ciocalteu assay) and flavonoid content (evaluated using aluminum nitrate nonahydrate), the highest amount was found in the ethyl acetate extract of E. palmatum. The results of DPPH and ABTS assay indicated that the highest antioxidant activity was present in the water extract of E. amethystinum. Extracts of the aerial parts presented as minimum inhibitory concentration (MIC) expressed the activity in the range 0.004-20.00 mg/mL, with the highest activity exhibited by the acetone and ethyl acetate extracts against Proteus mirabilis. The obtained results suggest that Eryngium species may be considered a beneficial native source of the compounds with antioxidant and antimicrobial properties.
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Affiliation(s)
| | | | - Mihailo S Ristić
- Institute for Medicinal Plant Research "Dr Josif Pančić", 11000 Belgrade, Serbia
| | - Jovana B Veselinović
- Health Institution Filly Farm, Pharmacy Filly 63, Cara Dušana 31, 18000 Nis, Serbia
| | - Bojan K Zlatković
- 2Faculty of Science and Mathematics, University of Niš, 18000 Nis, Serbia
| | - Petar D Marin
- 5Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia
| | - Ana M Džamić
- 5Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia
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Xiao ZP, Wei W, Wang PF, Shi WK, Zhu N, Xie MQ, Sun YW, Li LX, Xie YX, Zhu LS, Tang N, Ouyang H, Li XH, Wang GC, Zhu HL. Synthesis and evaluation of new tyrosyl-tRNA synthetase inhibitors as antibacterial agents based on a N2-(arylacetyl)glycinanilide scaffold. Eur J Med Chem 2015; 102:631-8. [DOI: 10.1016/j.ejmech.2015.08.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 08/09/2015] [Accepted: 08/11/2015] [Indexed: 12/23/2022]
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