Abstract
A novel compound streptothiomycin F (1), and a new natural product, N-(5-nitropentyl)acetamide (2), were discovered alongside ten previously identified compounds (3-12) through solid fermentation of marine-derived Streptomyces sp. ZS-A31 based on rice. The chemical structures of compounds 1-2 were elucidated using 1D and 2D NMR, as well as HRESIMS data analysis. Evaluation of all isolated compounds for their antibiofilm and antibacterial activities against P. aeruginosa was carried out using microdilution and crystal violet staining methods. Results highlighted the weakpotency of the known compounds lumichrome (3) and vanillic acid (7) in inhibiting biofilm formation.
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