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The Effect of Oxygen Transfer Rate on the Nebramycin Factor 5' Activity and Component Ratio in Streptoalloteichus hindustanus Fermentation.  

김정근 (한국산업기술대학교 생명화학공학과)
이병규 (유한양행 중앙연구소)
노용택 (영동대학교 생명공학부)
Publication Information
Microbiology and Biotechnology Letters / v.31, no.4, 2003 , pp. 395-399 More about this Journal
Abstract
Nebramycin is a complex of aminocyclitol compounds that is produced by aerobic culture in fermentation process. The major antibiotic factors produced by Streptoalloteichus hindustanus are nebramycin factor 2, 4, 5'and kanamycin A. A mutant was selected, producing nebramycin factor 5' activity 16.4 times higher than parent strain by microbiological assay using Pseudomonas aeruginosa CH-U34AF. The component ratio of nebramycin factor 5' was dramatically increased from 34% to 70% by the optimization of fermentation condition. It was found that the component ratio of nebramycin factor 5' in fermentation was especially affected by the oxygen transfer rate. Optimum oxygen transfer rate for maximal nebramycin factor 5' productivity and ratio during S. hindustanus fermentation was elucidated to $0.50 mMO_2$/min.
Keywords
Streptoalloteichus hindustanus; nebramycin; factor 5'; tobramycin; oxygen transfer rate;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 1
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