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- Title
Three new isoquinoline alkaloids from the fermentation of Aspergillus sp. 0338 and their anti-MRSA activities.
- Authors
Yang, Min; Dong, Miao; Wu, Qing-Yang; Yao, Shui; Pu, Gui; Ma, Yue-Yu; Xiong, Rui-Feng; Hu, Qiu-Fen; Wang, Fang; Li, Yin-Ke
- Abstract
There is growing evidence that bioactive substances produced by microbial endophytes have applicability in medicine, agriculture and industry. To enrich the bioactive substances, in our search for new bioactive metabolites from fungi Aspergillus, the phytochemical reinvestigation on the Aspergillus sp. 0338 was carried out, and this led to the isolation of three new (1-3) and five known alkaloids (4-8). Their structures were elucidated by spectroscopic analysis, including extensive 1D and 2D NMR techniques, as well as comparison with literature values. Additionally, compounds 1-3 were evaluated for their anti-MRSA activities. The results revealed that compounds 1-3 exhibited good inhibitions with IZD of 15.2 ± 1.8, 14.6 ± 2.0, and 13.4 ± 2.2 mm, respectively.
- Subjects
ISOQUINOLINE alkaloids; ASPERGILLUS fumigatus; ASPERGILLUS; AGRICULTURAL industries; ENDOPHYTES; ISOQUINOLINE
- Publication
Natural Product Research, 2025, Vol 39, Issue 1, p103
- ISSN
1478-6419
- Publication type
Academic Journal
- DOI
10.1080/14786419.2023.2254455