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Bălașoiu (Jigău) RAC, Obistioiu D, Hulea A, Suleiman MA, Popescu I, Floares (Oarga) D, Imbrea IM, Neacșu AG, Șmuleac L, Pașcalău R, Crista L, Popescu CA, Samfira I, Imbrea F. Analysing the Antibacterial Synergistic Interactions of Romanian Lavender Essential Oils via Gas Chromatography-Mass Spectrometry: In Vitro and In Silico Approaches. PLANTS (BASEL, SWITZERLAND) 2024; 13:2136. [PMID: 39124254 PMCID: PMC11313841 DOI: 10.3390/plants13152136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/28/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024]
Abstract
This study investigated the phytochemical characteristics, antibacterial activity, and synergistic potential of essential oils derived from Romanian lavender. Gas Chromatography-Mass Spectrometry (GC/MS) analysis revealed that linalool is the main compound in all lavender essential oils, with concentrations ranging from 29.410% to 35.769%. Linalyl acetate was found in similar concentrations to linalool. Other significant compounds included 1,8-cineole (8.50%), lavandulyl acetate (5.38%), trans-β-ocimene (6.90%), and camphor (7.7%). A 1,1-Diphenyl-2-Picrylhydrazyl (DPPH) test was used to assess antioxidant capacity, with substantial free-radical-scavenging activity shown in the IC50 values determined. The antibacterial efficacy of the oils was higher against Gram-positive bacteria than Gram-negative bacteria, with variations in minimum inhibitory concentrations (MICs), the extent of inhibition, and evolution patterns. The study also explored the oils' ability to enhance the efficacy of ampicillin, revealing synergistic interactions expressed as fractional inhibitory concentration indices. In silico protein-ligand docking studies used twenty-one compounds identified by GC-MS with bacterial protein targets, showing notable binding interactions with SasG (-6.3 kcal/mol to -4.6 kcal/mol) and KAS III (-6.2 kcal/mol to -4.9 kcal/mol). Overall, the results indicate that Romanian lavender essential oils possess potent antioxidant and antibacterial properties, and their synergistic interaction with ampicillin has potential for enhancing antibiotic therapies.
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Affiliation(s)
- Roxana Aurelia C. Bălașoiu (Jigău)
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Diana Obistioiu
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Anca Hulea
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Mukhtar Adeiza Suleiman
- Faculty of Life Science, Department of Biochemistry, Ahmadu Bello University, Zaria 810107, Nigeria;
| | - Iuliana Popescu
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Doris Floares (Oarga)
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Ilinca Merima Imbrea
- Faculty of Engineering and Applied Technologies, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania;
| | - Alina-Georgeta Neacșu
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Laura Șmuleac
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Raul Pașcalău
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Laura Crista
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Cosmin Alin Popescu
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Ionel Samfira
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
| | - Florin Imbrea
- Faculty of Agriculture, University of Life Sciences “King Michael I” from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania; (R.A.C.B.); (A.H.); (I.P.); (D.F.); (A.-G.N.); (L.Ș.); (R.P.); (L.C.); (C.A.P.); (I.S.); (F.I.)
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Yamari I, Abchir O, Nour H, Khedraoui M, Rossafi B, Errougui A, Talbi M, Samadi A, Kouali MHE, Chtita S. Unveiling Moroccan Nature's Arsenal: A Computational Molecular Docking, Density Functional Theory, and Molecular Dynamics Study of Natural Compounds against Drug-Resistant Fungal Infections. Pharmaceuticals (Basel) 2024; 17:886. [PMID: 39065737 PMCID: PMC11279552 DOI: 10.3390/ph17070886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Candida albicans and Aspergillus fumigatus are recognized as significant fungal pathogens, responsible for various human infections. The rapid emergence of drug-resistant strains among these fungi requires the identification and development of innovative antifungal therapies. We undertook a comprehensive screening of 297 naturally occurring compounds to address this challenge. Using computational docking techniques, we systematically analyzed the binding affinity of each compound to key proteins from Candida albicans (PDB ID: 1EAG) and Aspergillus fumigatus (PDB ID: 3DJE). This rigorous in silico examination aimed to unveil compounds that could potentially inhibit the activity of these fungal infections. This was followed by an ADMET analysis of the top-ranked compound, providing valuable insights into the pharmacokinetic properties and potential toxicological profiles. To further validate our findings, the molecular reactivity and stability were computed using the DFT calculation and molecular dynamics simulation, providing a deeper understanding of the stability and behavior of the top-ranking compounds in a biological environment. The outcomes of our study identified a subset of natural compounds that, based on our analysis, demonstrate notable potential as antifungal candidates. With further experimental validation, these compounds could pave the way for new therapeutic strategies against drug-resistant fungal pathogens.
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Affiliation(s)
- Imane Yamari
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Oussama Abchir
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Hassan Nour
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Meriem Khedraoui
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Bouchra Rossafi
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Abdelkbir Errougui
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Mohammed Talbi
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Abdelouahid Samadi
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - MHammed El Kouali
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
| | - Samir Chtita
- Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco; (I.Y.); (O.A.); (M.K.); (B.R.); (A.E.); (M.T.); (M.E.K.)
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van Gent ME, van der Reijden TJK, Lennard PR, de Visser AW, Schonkeren-Ravensbergen B, Dolezal N, Cordfunke RA, Drijfhout JW, Nibbering PH. Synergism between the Synthetic Antibacterial and Antibiofilm Peptide (SAAP)-148 and Halicin. Antibiotics (Basel) 2022; 11:antibiotics11050673. [PMID: 35625317 PMCID: PMC9137631 DOI: 10.3390/antibiotics11050673] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/05/2022] [Accepted: 05/13/2022] [Indexed: 12/07/2022] Open
Abstract
Recently, using a deep learning approach, the novel antibiotic halicin was discovered. We compared the antibacterial activities of two novel bactericidal antimicrobial agents, i.e., the synthetic antibacterial and antibiofilm peptide (SAAP)-148 with this antibiotic halicin. Results revealed that SAAP-148 was more effective than halicin in killing planktonic bacteria of antimicrobial-resistant (AMR) Escherichia coli, Acinetobacter baumannii and Staphylococcus aureus, especially in biologically relevant media, such as plasma and urine, and in 3D human infection models. Surprisingly, SAAP-148 and halicin were equally effective against these bacteria residing in immature and mature biofilms. As their modes of action differ, potential favorable interactions between SAAP-148 and halicin were investigated. For some specific strains of AMR E. coli and S. aureus synergism between these agents was observed, whereas for other strains, additive interactions were noted. These favorable interactions were confirmed for AMR E. coli in a 3D human bladder infection model and AMR S. aureus in a 3D human epidermal infection model. Together, combinations of these two novel antimicrobial agents hold promise as an innovative treatment for infections not effectively treatable with current antibiotics.
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Affiliation(s)
- Miriam E. van Gent
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
- Correspondence:
| | - Tanny J. K. van der Reijden
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
| | - Patrick R. Lennard
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
- Department of Pulmonology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
- Center for Inflammation Research, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Adriëtte W. de Visser
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
| | - Bep Schonkeren-Ravensbergen
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
| | - Natasja Dolezal
- Department of Immunology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (N.D.); (R.A.C.); (J.W.D.)
| | - Robert A. Cordfunke
- Department of Immunology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (N.D.); (R.A.C.); (J.W.D.)
| | - Jan Wouter Drijfhout
- Department of Immunology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (N.D.); (R.A.C.); (J.W.D.)
| | - Peter H. Nibbering
- Department of Infectious Diseases, Leiden University Medical Center, 2300 RC Leiden, The Netherlands; (T.J.K.v.d.R.); (P.R.L.); (A.W.d.V.); (B.S.-R.); (P.H.N.)
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Abstract
INTRODUCTION The need for new antibacterial agents continues to grow, but success in development of antibiotics in recent years has been limited. To improve the chances that new compounds will progress into clinical trials and beyond, it is vital that we consider as early as possible in the process the various challenges that discoverers and developers of new antibiotics will face. AREAS COVERED The author looks at the factors that affect medicinal chemistry aimed at providing successful antibacterial agents. Target selection, target inhibition, accumulation in bacteria, and pharmacokinetics are all discussed, with a particular emphasis on how our current understanding should impact design and optimization strategies. EXPERT OPINION From the perspective of a medicinal chemist, the primary question when considering the various aspects of antibacterial drug discovery should be 'what can I design for?' It is important to be aware of the limitations of our understanding, and also the constraints and challenges that arise due to the diversity of the bacteria we try to address. Progress is needed to simplify approval pathways and to increase return on investment for the next generations of clinically useful agents to succeed.
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Dougan G, Dowson C, Overington J. Meeting the discovery challenge of drug-resistant infections: progress and focusing resources. Drug Discov Today 2018; 24:452-461. [PMID: 30476550 DOI: 10.1016/j.drudis.2018.11.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/12/2018] [Accepted: 11/20/2018] [Indexed: 01/10/2023]
Abstract
Following multiple warnings from governments and health organisations, there has been renewed investment, led by the public sector, in the discovery of novel antimicrobials to meet the challenge of rising levels of drug-resistant infection, particularly in the case of resistance to antibiotics. Initiatives have also been announced to support and enable the antibiotic discovery process. In January 2018, the Medicines Discovery Catapult, UK, hosted a symposium: Next Generation Antibiotics Discovery, to consider the latest initiatives and any remaining challenges to inform and guide the international research community and better focus resources to yield a novel class of antibiotic.
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Affiliation(s)
- Gordon Dougan
- The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Cambridge, UK; The Department of Medicine, University of Cambridge, UK.
| | | | - John Overington
- Medicine Discovery Catapult, Mereside, Alderly Park, Alderly Edge, Cheshire, UK
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Luo PH, Zhang XR, Huang L, Yuan L, Zhou XZ, Gao X, Li LS. 3D-QSAR pharmacophore-based virtual screening, molecular docking and molecular dynamics simulation toward identifying lead compounds for NS2B–NS3 protease inhibitors. J Recept Signal Transduct Res 2017; 37:481-492. [DOI: 10.1080/10799893.2017.1358283] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pei H. Luo
- School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Xuan R. Zhang
- School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Lan Huang
- School of Chemical Engineering, Sichuan University, Chengdu, China
| | - Lun Yuan
- Department of Pharmaceutical Engineering, Sichuan University, Chengdu, China
| | - Xang Z. Zhou
- Department of Pharmaceutical Engineering, Sichuan University, Chengdu, China
| | - X. Gao
- Department of Pharmaceutical Engineering, Sichuan University, Chengdu, China
| | - Ling S. Li
- School of Chemical Engineering, Sichuan University, Chengdu, China
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Computational design of ligand-binding proteins. Curr Opin Struct Biol 2016; 45:67-73. [PMID: 27951448 DOI: 10.1016/j.sbi.2016.11.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 11/24/2016] [Accepted: 11/25/2016] [Indexed: 02/07/2023]
Abstract
Custom-designed ligand-binding proteins with novel functions hold the potential for numerous applications. In recent years, the developments of computational methods together with high-throughput experimental screening techniques have led to the generation of novel, high-affinity ligand-binding proteins for given ligands. In addition, naturally occurring ligand-binding proteins have been computationally designed to recognize new ligands while keeping their original biological functions at the same time. Furthermore, metalloproteins have been successfully designed for novel functions and applications. Though much has been learned in these successful design cases, advances in our understanding of protein dynamics and functions related to ligand binding and development of novel computational strategies are necessary to further increase the success rate of computational protein-ligand binding design.
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Snow Setzer M, Sharifi-Rad J, Setzer WN. The Search for Herbal Antibiotics: An In-Silico Investigation of Antibacterial Phytochemicals. Antibiotics (Basel) 2016; 5:E30. [PMID: 27626453 PMCID: PMC5039526 DOI: 10.3390/antibiotics5030030] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 08/14/2016] [Accepted: 08/26/2016] [Indexed: 01/12/2023] Open
Abstract
Recently, the emergence and spread of pathogenic bacterial resistance to many antibiotics (multidrug-resistant strains) have been increasing throughout the world. This phenomenon is of great concern and there is a need to find alternative chemotherapeutic agents to combat these antibiotic-resistant microorganisms. Higher plants may serve as a resource for new antimicrobials to replace or augment current therapeutic options. In this work, we have carried out a molecular docking study of a total of 561 antibacterial phytochemicals listed in the Dictionary of Natural Products, including 77 alkaloids (17 indole alkaloids, 27 isoquinoline alkaloids, 4 steroidal alkaloids, and 28 miscellaneous alkaloids), 99 terpenoids (5 monoterpenoids, 31 sesquiterpenoids, 52 diterpenoids, and 11 triterpenoids), 309 polyphenolics (87 flavonoids, 25 chalcones, 41 isoflavonoids, 5 neoflavonoids, 12 pterocarpans, 10 chromones, 7 condensed tannins, 11 coumarins, 30 stilbenoids, 2 lignans, 5 phenylpropanoids, 13 xanthones, 5 hydrolyzable tannins, and 56 miscellaneous phenolics), 30 quinones, and 46 miscellaneous phytochemicals, with six bacterial protein targets (peptide deformylase, DNA gyrase/topoisomerase IV, UDP-galactose mutase, protein tyrosine phosphatase, cytochrome P450 CYP121, and NAD⁺-dependent DNA ligase). In addition, 35 known inhibitors were docked with their respective targets for comparison purposes. Prenylated polyphenolics showed the best docking profiles, while terpenoids had the poorest. The most susceptible protein targets were peptide deformylases and NAD⁺-dependent DNA ligases.
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Affiliation(s)
- Mary Snow Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA.
| | - Javad Sharifi-Rad
- Zabol Medicinal Plants Research Center, Zabol University of Medical Sciences, Zabol 61615-585, Iran.
- Department of Pharmacognosy, Zabol University of Medical Sciences, Zabol 61615-585, Iran.
| | - William N Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA.
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He W, Xu B, Bao J, Deng X, Liu W, Zhang Y, Jiang F, Fu L. Synthesis and antimicrobial evaluation of 3-substituted-imine-6-hydroxy-benzofuran derivatives. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1694-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Muthusamy K, Krishnasamy G. A computational study on role of 6-(hydroxymethyl)-3-[3,4,5-trihydroxy-6-[(3,4,5-trihydroxyoxan-2-yl)oxymethyl]oxan-2-yl]oxyoxane-2,4,5-triol in the regulation of blood glucose level. J Biomol Struct Dyn 2016; 34:2599-2618. [PMID: 26610163 DOI: 10.1080/07391102.2015.1124289] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
6-(hydroxymethyl)-3-[3,4,5-trihydroxy-6-[(3,4,5-trihydroxyoxan-2-yl)oxymethyl]oxan-2-yl]oxyoxane-2,4,5-triol (SID 242078875) was isolated from the fruits of Syzygium densiflorum Wall. ex Wight & Arn (Myrtaceae), which has been traditionally used in the treatment of diabetes by the tribes of The Nilgiris, Tamil Nadu, India. In this study, reverse pharmacophore mapping approach and text-based database search identified the dipeptidyl peptidase-IV, protein-tyrosine phosphatase 1B, phosphoenolpyruvate carboxykinase, glycogen synthase kinase-3β and glucokinase as potential targets of SID 242078875 in diabetes management. Further, molecular docking was performed to predict the binding pose of SID 242078875 in the active site region of the target protein. In addition, dynamic behaviour and stability of protein-ligand complexes were observed for a period of 50 ns through molecular dynamics simulation.
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Affiliation(s)
- Karthikeyan Muthusamy
- a Department of Bioinformatics , Alagappa University , Science Block, Karaikudi , 630 004 Tamil Nadu , India
| | - Gopinath Krishnasamy
- a Department of Bioinformatics , Alagappa University , Science Block, Karaikudi , 630 004 Tamil Nadu , India
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Abstract
Governments, academics and industry are beginning to listen to the medical communities call for new anti-bacterials. This special issue brings together diverse review articles on topics from economics and pricing to new discovery methods.
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Affiliation(s)
- Roberta J Melander
- Department of Chemistry, North Carolina State University, Raleigh, NC, 27695, USA
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Singh V, Praveen V, Tripathi D, Haque S, Somvanshi P, Katti SB, Tripathi CKM. Isolation, characterization and antifungal docking studies of wortmannin isolated from Penicillium radicum. Sci Rep 2015; 5:11948. [PMID: 26159770 PMCID: PMC4498184 DOI: 10.1038/srep11948] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 06/08/2015] [Indexed: 01/28/2023] Open
Abstract
During the search for a potent antifungal drug, a cell-permeable metabolite was isolated from a soil isolate taxonomically identified as Penicillium radicum. The strain was found to be a potent antifungal agent. Production conditions of the active compound were optimized and the active compound was isolated, purified, characterized and identified as a phosphoinositide 3-kinase (PI3K) inhibitor, commonly known as wortmannin (Wtmn). This is very first time we are reporting the production of Wtmn from P. radicum. In addition to its previously discovered anticancer properties, the broad spectrum antifungal property of Wtmn was re-confirmed using various fungal strains. Virtual screening was performed through molecular docking studies against potential antifungal targets, and it was found that Wtmn was predicted to impede the actions of these targets more efficiently than known antifungal compounds such as voriconazole and nikkomycin i.e. 1) mevalonate-5-diphosphate decarboxylase (1FI4), responsible for sterol/isoprenoid biosynthesis; 2) exocyst complex component SEC3 (3A58) where Rho- and phosphoinositide-dependent localization is present and 3) Kre2p/Mnt1p a Golgi alpha1,2-mannosyltransferase (1S4N) involved in the biosynthesis of yeast cell wall glycoproteins). We conclude that Wtmn produced from P. radicum is a promising lead compound which could be potentially used as an efficient antifungal drug in the near future after appropriate structural modifications to reduce toxicity and improve stability.
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Affiliation(s)
- Vineeta Singh
- Microbiology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow-226031, Uttar Pradesh, India
| | - Vandana Praveen
- Fermentation Technology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow-226031, Uttar Pradesh, India
| | - Divya Tripathi
- Division of Organic Chemistry, CSIR - National Chemical Laboratory, Pune- 411008, Maharashtra, India
| | - Shafiul Haque
- Department of Biosciences, Jamia Millia Islamia (A Central University), New Delhi-110025, India
- Centre for Drug Research, Faculty of Pharmacy, Viikki Biocentre-2, FI-00014, University of Helsinki, Helsinki, Finland
| | - Pallavi Somvanshi
- Department of Biotechnology, TERI University, New Delhi-110070, India
| | - S. B. Katti
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow-226031, Uttar Pradesh, India
| | - C. K. M. Tripathi
- Fermentation Technology Division, CSIR-Central Drug Research Institute, Sitapur Road, Lucknow-226031, Uttar Pradesh, India
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