Antimicrobial potential, GCMS analysis and molecular docking studies of Coelogyne suaveolens extracts: Identification of bioactive compounds with mechanism of action

Coelogyne suaveolens has been used as a traditional medicine for many years, and its potential as a natural source of antibacterial agents is of great interest. This investigation aimed to identify the bioactive compounds in the plant extract and assess their antibacterial properties. To achieve thi...

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Published in:Biochemistry and biophysics reports Vol. 37; p. 101648
Main Authors: Hossen, S. M. Moazzem, Eva, Taslima Akter, Karim, Md Sifytul, Mamurat, Husnum, Rahat, Md Habibul Hasan, Nipun, Tanzina Sharmin
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 01-03-2024
Elsevier
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Summary:Coelogyne suaveolens has been used as a traditional medicine for many years, and its potential as a natural source of antibacterial agents is of great interest. This investigation aimed to identify the bioactive compounds in the plant extract and assess their antibacterial properties. To achieve this, we identified the bioactive compounds using Gas chromatography mass spectrometry (GCMS) analysis on the extract's ethyl acetate fraction and used the disc diffusion method to determine the antibacterial effect. Additionally, molecular docking were performed to predict the binding affinities of selected phytochemicals against specific proteins in order to identify the root cause of bacterial inhibition. Our results revealed that the extract exhibited significant antibacterial activity against Pseudomonas aeruginosa, Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae, which are common and problematic pathogens. Furthermore, molecular docking studies identified eight best-selected compounds, of which {androstan-17-one, oxime, (5.alpha.)-}, diethofencarb, tetraconazole, {3,6-dimethyl-2,3,3a,4,5,7a-hexahydrobenzofuran}, and geranyl acetate showed a significant binding affinity with best binding interaction with the target enzymes. This suggests that binding to these specific proteins might lead to the mechanism of action of the evaluated antibacterial action. In conclusion, the present study contributes to the growing body of knowledge on natural antimicrobial agents and could have significant implications for the development of new and effective antibacterial agents. [Display omitted] •The study sheds light on Coelogyne suaveolens and its potential as an antimicrobial agent.•It explores the therapeutic value of Coelogyne suaveolens in combating bacteria.•By using GCMS analysis and molecular docking, this research identifies key compounds and their antibacterial potential.•Significant antibacterial activity was observed against common pathogens such as Pseudomonas aeruginosa, Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae.•These findings hold promise for the development of new and effective antibacterial treatments.
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ISSN:2405-5808
2405-5808
DOI:10.1016/j.bbrep.2024.101648