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A new antibiotic, TH818, and its properties
R Rachev1, V Gesheva, T Tewfike
1Institute of Microbiology, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria.
Biotechnology and Applied Biochemistry
|February 13, 2003
Summary
A novel antibiotic, TH818, was isolated from Streptomyces fulvoviolaceus. This complex molecule exhibits broad-spectrum antimicrobial activity against various bacteria, yeasts, and fungi.
Area of Science:
- Microbiology
- Natural Product Chemistry
- Biochemistry
Background:
- Streptomyces species are a prolific source of bioactive natural products.
- The discovery of novel antibiotics is crucial for combating antimicrobial resistance.
Purpose of the Study:
- To isolate and characterize a new antibiotic, designated TH818, from Streptomyces fulvoviolaceus 818.
- To determine the chemical structure and assess the antimicrobial spectrum of TH818.
Main Methods:
- Isolation and purification using extraction and reversed-phase liquid chromatography.
- Hydrolysis experiments to identify constituent components.
- Antimicrobial susceptibility testing against various microorganisms.
Main Results:
- Antibiotic TH818 was successfully isolated and purified.
- TH818 is a high molecular mass compound composed of carbohydrates, amino acids, and lipids.
- The antibiotic demonstrated broad-spectrum activity against Gram-positive bacteria, Gram-negative bacteria, yeasts, and fungi.
Conclusions:
- Streptomyces fulvoviolaceus 818 produces a novel antibiotic, TH818, with a complex structure.
- TH818 represents a potential new therapeutic agent due to its broad antimicrobial activity.