| 摘要 |
A novel peptide antibiotic complex designated herein as Bu-2470 is produced by fermentation of Bacillus circulans strain G493-B6 (ATCC 31,805). Complex Bu-2470 may be separated into four bioactive peptide antibiotics designated as Bu-2470A, B1, B2a, and B2b. The complex and individual bioactive factors possess significant antimicrobial activity. |
