Four new polysulfur aromatic alkaloids, lissoclibadins 4 (1), 5 (2), 6 (3), and 7 (4), were isolated from the ascidian Lissoclinum cf. badium collected in Indonesia, together with seven known alkaloids, lissoclibadins 1 (5), 2 (6), and 3 (7), lissoclinotoxins E (8) and F (9), 3,4-dimethoxy-6-(2'-N,N-dimethylaminoethyl)-5-(methylthio)benzotrithiane (10), and N,N-dimethyl-5-(methylthio)varacin (11). Compounds 1-11 were isolated from the ascidian collected in March (wet season), while 5-11 have been obtained previously from the organism collected in September (dry season) at the same site. The structures of the new compounds were assigned on the basis of their spectroscopic data. Lissoclibadins 4-7 (1-4) inhibited the colony formation of Chinese hamster V79 cells with EC50 values of 0.71, 0.06, 0.06, and 0.17 microM, respectively. Compounds 1-4 showed also weak antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Saccharomyces cerevisiae.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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