Characterization of New Bioactive Enzyme Inhibitors from Endophytic Bacillus amyloliquefaciens RWL-1
AbstractEndophytic bacteria are known to produce a wide array of bioactive secondary metabolites with beneficial effects on human health. In the current study, a novel endophytic bacterial strain, Bacillus amyloliquefaciens RWL-1, was isolated from the seeds of Oryza sativa. Initially, the crude extract of RWL-1 was assessed for potential biological effects of enzyme inhibition and cytotoxicity and was found to exhibit a broad spectrum inhibition for α-glucosidase (37 ± 0.09%) and urease (49.4 ± 0.53%). The screening results were followed by bioassay-guided isolation of secondary metabolite(s) from RWL-1. Extensive chromatographic and spectrophotometry analyses revealed the presence of compound 1 (S)-2-hydroxy-N-((S)-1-((S)-8-hydroxy-1-oxoisochroman-3-yl)-3-methylbutyl)-2-((S)-5-oxo-2,5-dihydrofuran-2-yl)acetamide. Further bioassays of compound 1 showed significant inhibition of α-glucosidase (52.98 ± 0.8%) and urease (51.27 ± 1.0%), compared with positive control values of 79.14 ± 1.9% and 88.24 ± 2.2%, and negative controls (0.08 ± 0.1% and 0.05 ± 0.01%), respectively. The current study suggests that bacterial endophytes are a rich source of novel bioactive compounds with high therapeutic value. View Full-Text
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Shahzad, R.; Latif Khan, A.; Ali, L.; Bilal, S.; Imran, M.; Choi, K.-S.; Al-Harrasi, A.; Lee, I.-J. Characterization of New Bioactive Enzyme Inhibitors from Endophytic Bacillus amyloliquefaciens RWL-1. Molecules 2018, 23, 114.
Shahzad R, Latif Khan A, Ali L, Bilal S, Imran M, Choi K-S, Al-Harrasi A, Lee I-J. Characterization of New Bioactive Enzyme Inhibitors from Endophytic Bacillus amyloliquefaciens RWL-1. Molecules. 2018; 23(1):114.Chicago/Turabian Style
Shahzad, Raheem; Latif Khan, Abdul; Ali, Liaqat; Bilal, Saqib; Imran, Muhammad; Choi, Kyung-Sook; Al-Harrasi, Ahmed; Lee, In-Jung. 2018. "Characterization of New Bioactive Enzyme Inhibitors from Endophytic Bacillus amyloliquefaciens RWL-1." Molecules 23, no. 1: 114.
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