Optimization of desferrioxamine E production by Streptomyces parvulus
Tamás Gáll1, Gábor Lehoczki2, Gyöngyi Gyémánt2
11 MTA-DE Vascular Biology, Thrombosis and Hemostasis Research Group, Hungarian Academy of Sciences , Debrecen, Hungary.
Acta Microbiologica Et Immunologica Hungarica
|December 31, 2016
Summary
Optimizing microbial production of Desferrioxamine E (DFO-E), an iron-chelating agent, achieved high yields through specific nutrient and MOPS supplementation. This cost-effective method enables further research into DFO-E
Area of Science:
- Microbiology
- Biotechnology
- Biochemistry
Background:
- Siderophores, like Desferrioxamine E (DFO-E), are microbial iron-chelating agents with biomedical and industrial applications.
- High-affinity iron chelation by DFO-E makes it a candidate for iron chelation therapy.
- Cost-effective production is essential for DFO-E's use in research and clinical studies.
Purpose of the Study:
- To optimize the production of Desferrioxamine E (DFO-E) by Streptomyces parvulus CBS548.68.
- To identify optimal culture conditions for enhanced DFO-E yields.
- To develop an efficient purification process for DFO-E.
Main Methods:
- Screening of various carbon and nitrogen sources for Streptomyces parvulus growth and DFO-E production.
- Supplementation of culture media with 3-morpholinopropane-1-sulfonic acid (MOPS) to enhance biomass and DFO-E yields.
- High-performance liquid chromatography (HPLC) for purification and purity assessment.
- Matrix assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) for DFO-E characterization.
Main Results:
- Optimized media composition, including glucose, sodium glutamate, and MOPS, significantly increased DFO-E production.
- DFO-E yields reached up to 2,009 ± 90 mg/l in optimized culture conditions.
- A two-step purification process achieved DFO-E purity of approximately 97%.
- Purified DFO-E consistently contained trace amounts of desferrioxamine D2.
Conclusions:
- The study successfully optimized DFO-E production in Streptomyces parvulus, achieving high yields.
- MOPS supplementation positively influenced both biomass production and DFO-E secretion.
- An efficient and scalable purification method was established for DFO-E, suitable for research applications.
