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논문 기본 정보

자료유형
학술저널
저자정보
Dwyana Zaraswati (Hasanuddin University) Annisa Andi (Hasanuddin University) Johannes Eva (Hasanuddin University) Wardhani Riuh (Hasanuddin University)
저널정보
한국질량분석학회 Mass Spectrometry Letters Mass Spectrometry Letters Vol.15 No.3
발행연도
2024.9
수록면
158 - 165 (8page)

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초록· 키워드

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Pneumonia is an acute respiratory infection that primarily affects the lungs and is caused by various microorganisms, including viruses, fungi, and bacteria. Klebsiella pneumoniae, a multidrug-resistant (MDR) and extensively drug-resistant (XDR) bacterium, is a leading cause of widespread pneumonia. This study aimed to identify endophytic bacteria from the leaves of Acalypha indica L. and evaluate their antibacterial properties through both in vitro and in silico approaches. The objectives included isolating endophytic bacteria from Acalypha indica L., testing their antibacterial activity against Klebsiella pneumoniae, identifying the selected bacterial isolates using molecular techniques, analyzing their secondary metabolites via gas chromatography-mass spectrometry (GC-MS), and performing in silico molecular docking studies. The study identified BE 4, an endophytic bacterial isolate of Bacillus pumilus, as exhibiting the most potent antibacterial activity against Klebsiella pneumoniae. GC-MS analysis of the ethyl acetate extract of this isolate revealed 1,2-benzenedicarboxylic acid, bis(2-methylpropyl) ester as the primary metabolite component. Furthermore, molecular docking analysis identified two natural compound ligands, 1,2-benzenedicarboxylic acid, diethyl ester (-6.5 kcal/mol), and lilial (-6.2 kcal/mol), as having potential efficacy against drug-resistant bacteria responsible for pneumonia. These findings suggest that endophytic bacteria and their bioactive compounds could serve as promising candidates for the development of new treatments against drug-resistant pneumonia.

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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