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Salvado MG, André LSP, Pereira RFA, Pinheiro FR, Barbosa BDC, Scaffo JC, Pereira AJ, Arakaki DG, Xing H, de Oliveira KMP, de Andrade Dos Santos JV, Sachs D, Aguiar-Alves F, Conda-Sheridan M, Penna B. Evaluating the antimicrobial and anti-biofilm activity of three synthetic antimicrobial Citropin analogs and their ability to fight against Staphylococcus aureus and Staphylococcus pseudintermedius. J Appl Microbiol 2024; 135:lxae127. [PMID: 38772746 DOI: 10.1093/jambio/lxae127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 05/04/2024] [Accepted: 05/20/2024] [Indexed: 05/23/2024]
Abstract
AIMS We developed three new analogs of the antimicrobial peptide (AMP) Citropin 1.1: DAN-1-13, AJP-1-1, and HHX-2-28, and tested their potential antimicrobial and antibiofilm activities against Staphylococcus aureus and S. pseudintermedius. Potential cytotoxic or hemolytic effects were determined using cultured human keratinocytes and erythrocytes to determine their safety. METHODS AND RESULTS To assess the antimicrobial activity of each compound, minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) were determined against methicillin-resistant and methicillin-susceptible strains of S. aureus and S. pseudintermedius. Activity against newly formed and mature biofilms was determined in two clinical isolates using spectrophotometry and scanning electron microscopy (SEM). All three compounds exhibited antimicrobial and bactericidal activity against all studied S. aureus and S. pseudintermedius strains, with MICs ranging from 4-32 μg ml-1 and MBCs ranging from 8-128 μg ml-1. Subinhibitory concentrations of all compounds also showed ant-biofilm activity in the two tested isolates. All compounds exhibited limited cytotoxic and hemolytic activity. CONCLUSIONS Novel analogs of Citropin 1.1 exhibit antimicrobial and bactericidal activities against S. aureus and S. pseudintermedius isolates and inhibit the biofilm formation of these bacteria.
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Affiliation(s)
- Matheus Gomes Salvado
- Graduate Program in Veterinary Medicine, Fluminense Federal University, Niteroi, 24230-321, Brazil
- Gram Positive Cocci Laboratory, Fluminense Federal University, Niteroi, 24020-141, Brazil
| | - Lialyz Soares Pereira André
- Molecular Epidemiology and Biotechnology Laboratory/Rodolpho Albino University Laboratory - Fluminense Federal University, Niteroi, 24241-000, Brazil
- Graduate Program in Pathology, Fluminense Federal University, Niteroi 24020-141, Brazil
| | - Renata Freire Alves Pereira
- Molecular Epidemiology and Biotechnology Laboratory/Rodolpho Albino University Laboratory - Fluminense Federal University, Niteroi, 24241-000, Brazil
- Graduate Program in Microbiology and Parasitology - Fluminense Federal University, Niteroi, 24020-141, Brazil
| | - Felipe Ramos Pinheiro
- Molecular Epidemiology and Biotechnology Laboratory/Rodolpho Albino University Laboratory - Fluminense Federal University, Niteroi, 24241-000, Brazil
- Graduate Program in Pathology, Fluminense Federal University, Niteroi 24020-141, Brazil
| | - Beatriz das Chagas Barbosa
- Molecular Epidemiology and Biotechnology Laboratory/Rodolpho Albino University Laboratory - Fluminense Federal University, Niteroi, 24241-000, Brazil
| | - Julia Chaves Scaffo
- Molecular Epidemiology and Biotechnology Laboratory/Rodolpho Albino University Laboratory - Fluminense Federal University, Niteroi, 24241-000, Brazil
| | - Aramis José Pereira
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Daniela Granja Arakaki
- Group of Spectroscopy and Bioinformatics Applied Biodiversity and Health, Mato Grosso do Sul Federal University, Pioneiros, 79070-900, Brazil
| | - Huihua Xing
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | | | | | - Daniela Sachs
- Microbiological Testing Laboratory Associated with Materials and Drugs of the Center for Studies, Research, and Innovation in Biofunctional Materials and Biotechnology, Federal University of Itajubá, Itajuba, 37500-903, Brazil
| | - Fabio Aguiar-Alves
- Department of Pharmaceutical Sciences, Lloyd L. Gregory School of Pharmacy, Palm Beach Atlantic University, West Palm Beach, FL 33403, USA
| | - Martin Conda-Sheridan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Bruno Penna
- Graduate Program in Veterinary Medicine, Fluminense Federal University, Niteroi, 24230-321, Brazil
- Gram Positive Cocci Laboratory, Fluminense Federal University, Niteroi, 24020-141, Brazil
- Graduate Program in Microbiology and Parasitology - Fluminense Federal University, Niteroi, 24020-141, Brazil
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do Prado Schneidewind FCC, de Castilho PF, Galvão F, de Andrade Dos Santos JV, da Silva Dantas FG, Negri M, da Silva Pinto L, Moraes CAF, Freitas J, de Souza PRB, Nogueira CR, de Oliveira KMP. Effects of bioconversion by Battus polydamas on the chemical composition of Aristolochia spp. and evaluation of antimicrobial activity and biocompatibility. Fitoterapia 2024; 175:105949. [PMID: 38583636 DOI: 10.1016/j.fitote.2024.105949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/13/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
Aristolochia plants are emblematic from an ethnopharmacological viewpoint and are know to possess numerous biological properties, including antiseptic. However, the medicinal potential of these species is debatable because of their representative chemical constituents, aristolochic acids (AAs) and aristolactams (ALs), which are associated, for instance, with nephropathy and cancer. These contrasting issues have stimulated the development of approaches intended to detoxification of aristoloquiaceous biomasses, among which is included the bioconversion method using larvae of the specialist phytophagous insect Battus polydamas, previously shown to be viable for chemical diversification and to reduce toxicity. Thus, eleven Aristolochia spp. were bioconverted, and the antimicrobial activities of the plant methanolic extracts and its respective bioconversion products were evaluated. The best results were found for Aristolochia esperanzae, Aristolochia gibertii, and Aristolochia ringens against Bacillus cereus, with MIC ranging from 7.8 to 31.25 μg/mL. These three species were selected for chemical, antioxidant, cytotoxic, hemolytic, and mutagenic analyses. Chemical analysis revealed 65 compounds, 21 of them possible bioconversion products. The extracts showed potential to inhibit the formation and degradation of B. cereus biofilms. Extracts of A. gibertii and its bioconverted biomass showed antioxidant activity comparable to dibutylhydroxytoluene (BHT) standard. Bioconversion decreased the hemolytic activity of A. esperanzae and the cytotoxicities of A. esperanzae and A. gibertii. None of the extracts was found to be mutagenic. The bioactivities of the fecal extracts were maintained, and biocompatibility was improved. Therefore, the results obtained in this study reveal positive expectations about the natural detoxification process of the Aristolochia species.
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Affiliation(s)
| | | | - Fernanda Galvão
- Faculdade de Ciências de Saúde, Universidade Federal da Grande Dourados, Dourados, MS, Brazil
| | | | | | - Melyssa Negri
- Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá, PR, Brazil
| | - Luciano da Silva Pinto
- Centro de Ciências Exatas e de Tecnologia, Departamento de Química, Universidade Federal de São Carlos, São Carlos, SP, Brazil
| | - Carlos André Ferreira Moraes
- Centro de Ciências Exatas e de Tecnologia, Departamento de Química, Universidade Federal de São Carlos, São Carlos, SP, Brazil
| | - Joelcio Freitas
- Instituto Nacional da Mata Atlântica, Divisão de Ciências, Santa Teresa, ES, Brazil
| | | | - Cláudio Rodrigo Nogueira
- Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados, Dourados, MS, Brazil.
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Dhonnar SL, Jagdale BS, Adole VA, Sadgir NV. PEG-mediated synthesis, antibacterial, antifungal and antioxidant studies of some new 1,3,5-trisubstituted 2-pyrazolines. Mol Divers 2023; 27:2441-2452. [PMID: 36367640 DOI: 10.1007/s11030-022-10562-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/29/2022] [Indexed: 11/13/2022]
Abstract
A new series of 1,3,5-trisubstituted 2-pyrazoline derivatives (3a-l) are synthesized in good to excellent yields from the corresponding chalcones (1a-h) and acid hydrazides (2a-e) in polyethylene glycol-400 (PEG-400) as a green reaction medium. The newly synthesized 2-pyrazoline derivatives are screened for their antibacterial and antifungal activity. The synthesized trisubstituted pyrazolines displayed moderate to good antibacterial and antifungal properties as compared with the standard reference penicillin and fluconazole drugs. Additionally, the antioxidant potential of the 1,3,5-trisubstituted 2-pyrazolines is evaluated by OH and DPPH assay. The 1,3,5-trisubstituted 2-pyrazolines showed good radical scavenger activity and were found as good antioxidant agents.
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Affiliation(s)
- Sunil L Dhonnar
- Department of Chemistry, Mahatma Gandhi Vidyamandir's Loknete Vyankatrao Hiray Arts, Science and Commerce College, Panchavati (Affiliated to Savitribai Phule Pune University, Pune), Nashik, 422003, India.
| | - Bapu S Jagdale
- Department of Chemistry, Mahatma Gandhi Vidyamandir's Loknete Vyankatrao Hiray Arts, Science and Commerce College, Panchavati (Affiliated to Savitribai Phule Pune University, Pune), Nashik, 422003, India
| | - Vishnu A Adole
- Department of Chemistry, Mahatma Gandhi Vidyamandir's Loknete Vyankatrao Hiray Arts, Science and Commerce College, Panchavati (Affiliated to Savitribai Phule Pune University, Pune), Nashik, 422003, India
| | - Nutan V Sadgir
- Department of Chemistry, Mahatma Gandhi Vidyamandir's Loknete Vyankatrao Hiray Arts, Science and Commerce College, Panchavati (Affiliated to Savitribai Phule Pune University, Pune), Nashik, 422003, India
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Geetha Priya C, Venkatraman BR, Arockiaraj I, Sowrirajan S, Elangovan N, Islam MS, Mahalingam SM. Antimicrobial activity prediction, inter- and intramolecular charge transfer investigation, reactivity analysis and molecular docking studies of adenine derivatives. J Biomol Struct Dyn 2023:1-14. [PMID: 37978905 DOI: 10.1080/07391102.2023.2281636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023]
Abstract
The utilization of the density functional theory (DFT) methodology has developed as a highly efficient method for investigating molecular structure and vibrational spectra, and it is increasingly being employed in various applications relating to biological systems. This study focuses on conducting investigations, both experimental and computed, to analyze the molecular structure, electronic properties and features of (E)-4-(((9H-purin-6-yl)imino)methyl)-2-methoxyphenol (ANVA). The expression ANVA should be rewritten as follows: the compound is a derivative of adenine (primary amine), specifically a vanillin (aldehyde). The present study reports the synthesis, characterization, DFT, docking and antimicrobial activity of ANVA. The optimization of the molecular structure was conducted, and the determination of its structural features was performed using DFT with the B3LYP/cc-pVDZ method. The vibrational assignments were determined in detail by analyzing the potential energy distribution. A strong correlation was observed between the spectra that were observed and the spectra that were calculated. The calculation of intramolecular charge transfer was performed using natural bond orbital analysis. In addition, several computational methods were employed, including highest occupied molecular orbital-least unoccupied molecular orbital analysis, molecular electrostatic potential calculations, non-linear optical, reduced density gradient, localization orbital locator and electron localization function analysis. This paper examines the present use of adenine derivatives in combatting bacterial and fungal infections, as well as the inclusion of spectral and quantum chemical calculations in the discussion.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- C Geetha Priya
- Department of Chemistry, Thanthai Periyar Government Arts and Science College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - B R Venkatraman
- Department of Chemistry, Thanthai Periyar Government Arts and Science College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - I Arockiaraj
- Department of Chemistry, St. Joseph's College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - S Sowrirajan
- Research Centre for Computational and Theoretical Chemistry, Tiruchirappalli, Tamil Nadu, India
| | - N Elangovan
- Research Centre for Computational and Theoretical Chemistry, Tiruchirappalli, Tamil Nadu, India
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Wang JJ, Sun W, Jia WD, Bian M, Yu LJ. Research progress on the synthesis and pharmacology of 1,3,4-oxadiazole and 1,2,4-oxadiazole derivatives: a mini review. J Enzyme Inhib Med Chem 2022; 37:2304-2319. [PMID: 36000176 PMCID: PMC9423840 DOI: 10.1080/14756366.2022.2115036] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Oxadiazole is a five-membered heterocyclic compound containing two nitrogen atoms and one oxygen atom. The 1,3,4-oxadiazole and 1,2,4-oxadiazole have favourable physical, chemical, and pharmacokinetic properties, which significantly increase their pharmacological activity via hydrogen bond interactions with biomacromolecules. In recent years, oxadiazole has been demonstrated to be the biologically active unit in a number of compounds. Oxadiazole derivatives exhibit antibacterial, anti-inflammatory, anti-tuberculous, anti-fungal, anti-diabetic and anticancer activities. In this paper, we report a series of compounds containing oxadiazole rings that have been published in the last three years only (2020–2022) as there was no report or their activities described in any article in 2019, which will be useful to scientists in research fields of organic synthesis, medicinal chemistry, and pharmacology.
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Affiliation(s)
- Jing-Jing Wang
- Institute of Pharmaceutical Chemistry and Pharmacology, Inner Mongolia Minzu University, Inner Mongolia Autonomous Region, Tongliao, PR China.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Inner Mongolia Autonomous Region, Tongliao, PR China
| | - Wen Sun
- Institute of Pharmaceutical Chemistry and Pharmacology, Inner Mongolia Minzu University, Inner Mongolia Autonomous Region, Tongliao, PR China.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Inner Mongolia Autonomous Region, Tongliao, PR China
| | - Wei-Dong Jia
- Institute of Pharmaceutical Chemistry and Pharmacology, Inner Mongolia Minzu University, Inner Mongolia Autonomous Region, Tongliao, PR China.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Inner Mongolia Autonomous Region, Tongliao, PR China
| | - Ming Bian
- Institute of Pharmaceutical Chemistry and Pharmacology, Inner Mongolia Minzu University, Inner Mongolia Autonomous Region, Tongliao, PR China.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Inner Mongolia Autonomous Region, Tongliao, PR China
| | - Li-Jun Yu
- Institute of Pharmaceutical Chemistry and Pharmacology, Inner Mongolia Minzu University, Inner Mongolia Autonomous Region, Tongliao, PR China.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Inner Mongolia Autonomous Region, Tongliao, PR China
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Dhonnar SL, Adole VA, More RA, Sadgir NV, Jagdale BS, Pawar TB, Elzagheid MI, Rhyman L, Ramasami P. Synthesis, molecular structure, electronic, spectroscopic, NLO and antimicrobial study of N-benzyl-2-(5-aryl-1,3,4-oxadiazol-2-yl)aniline derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Laachir A, Rhoufal F, Guesmi S, Ketatni EM, Saadi M, Ammari LE, Mentré O, Bentiss F. Novel CuI coordination polymer self-assembled from 2,5-bis(pyridin-4-yl)-1,3,4-oxadiazole and thiocyanate ions: Synthesis, structural characterization, Hirshfeld surface analysis, thermal and magnetic studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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