1
|
Gupta MK, Senthilkumar S, Rangan L. 3, 5-Dihydroxy 4', 7-dimethoxyflavone-DNA interaction study for nucleic acid detection and differential cell staining. Int J Biol Macromol 2024; 261:129713. [PMID: 38281518 DOI: 10.1016/j.ijbiomac.2024.129713] [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: 11/08/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 01/30/2024]
Abstract
The present study is focused on application of a natural compound, 3, 5-dihydroxy 4', 7-dimethoxyflavone (DHDM) from a medicinal plant Alpinia nigra for nucleic acid detection and differential cell staining. DHDM was found to interact with nucleic acid and forms complex, which was investigated for various applications. It was successfully utilized to visualize plasmid, genomic, and ds-linear DNA in agarose gel electrophoresis without affecting the DNA mobility in the gel. Fluorescence of DHDM increased several fold upon binding to dsDNA. Photostability of the compound was assessed and showed photobleaching effect that decreased gradually over time. Application of the compound was further extended to differential cell staining. When observed in fluorescence microscope, DHDM stained the dead cells and differentiated them from live cells in the case of bacterial, yeast, and mammalian cells. Higher concentration of the compound was found to be less cytotoxic to cancerous cells. Nucleic acid staining dyes like Ethidium bromide (EtBr), Propidium iodide (PI), etc. are carcinogens and environmental pollutants and therefore DHDM a natural compound, is a major benefit and thus can serve as an alternative to the current dyes.
Collapse
Affiliation(s)
- Manish Kumar Gupta
- Applied Biodiversity Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Sanjana Senthilkumar
- Applied Biodiversity Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Latha Rangan
- Applied Biodiversity Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
| |
Collapse
|
2
|
Vaz Soares Martins S, Cristina Coelho Britto A, Tozzati MG, Magalhães LG, Silva MLAE, Januário AH, Pauletti PM, Crotti AEM, Passos AVD, Jesus EGD, Peixoto AD, Medeiros GDS, Santos MFC, Cunha WR. Evaluation of the in vitro schistosomicidal, leishmanicidal, and trypanocidal activities of the capsaicin metabolite, Capsicum frutescens, and Capsicum baccatum extracts and of their analysis of the main constituents by HPLC/UV and CG/MS. Nat Prod Res 2024; 38:679-684. [PMID: 36905171 DOI: 10.1080/14786419.2023.2187793] [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: 07/28/2022] [Accepted: 02/26/2023] [Indexed: 03/12/2023]
Abstract
Neglected tropical diseases are significant causes of death and temporary or permanent disability for millions living in developing countries. Unfortunately, there is no effective treatment for these diseases. Thus, this work aimed to conduct a chemical analysis using HPLC/UV and GC/MS to identify the major constituents of the hydroalcoholic extracts of Capsicum frutescens and Capsicum baccatum fruits, evaluating these extracts and their constituents' schistosomicidal, leishmanicidal and trypanocidal activities. The results obtained for the extracts of C. frutescens are better when compared to those obtained for C. baccatum, which can be related to the different concentrations of capsaicin (1) present in the extracts. The lysis of trypomastigote forms results for capsaicin (1) led to a significant value of IC50 = 6.23 µM. Thus, the results point to capsaicin (1) as a possible active constituent in these extracts.
Collapse
Affiliation(s)
- Sandra Vaz Soares Martins
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | | | - Marcos Gomide Tozzati
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | - Lizandra Guidi Magalhães
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | - Márcio Luis Andrade E Silva
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | - Ana Helena Januário
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | - Patrícia Mendonça Pauletti
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| | | | - Amanda Vargas Dos Passos
- Departamento de Química e Física, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Ester Gonçalves de Jesus
- Departamento de Química e Física, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Amanda Diniz Peixoto
- Departamento de Química e Física, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Gabriela Dos Santos Medeiros
- Departamento de Química e Física, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Mário F C Santos
- Departamento de Química e Física, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Wilson Roberto Cunha
- Grupo de Pesquisa em Produtos Naturais, Núcleo de Ciências Exatas e Tecnológica, Universidade de Franca, Franca, Brazil
| |
Collapse
|
3
|
Gupta MK, Singh R, Rangan L. Phytochemical screening, antibacterial, anti-biofilm and quorum sensing inhibiting activity of Alpinia nigra leaf extract against infectious pathogen Pseudomonas aeruginosa PAO1. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|