PROCEDE D'AUGMENTATION DE LA PRODUCTION D'ANTIBIOTIQUE PAR RECOMBINAISON GENETIQUE IN VIVO

A process for the production of aminoglycoside antibiotics using fused protoplasts derived from streptomyces. The cells are precultured in a medium containing sucrose, calcium and magnesium salts. Protoplasts are formed and then fused. The fused protoplasts are regenerate and antibiotic producing ab...

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Bibliographic Details
Main Author LAJOS FERENCZY, ANTAL MAI, ISTVAN OTT, GABOR AMBRUS ET TIBOR LANG
Format Patent
LanguageFrench
Published 29.05.1987
Edition4
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:A process for the production of aminoglycoside antibiotics using fused protoplasts derived from streptomyces. The cells are precultured in a medium containing sucrose, calcium and magnesium salts. Protoplasts are formed and then fused. The fused protoplasts are regenerate and antibiotic producing ability is screened for. The regenerate cells produced an antibiotic complex of modified composition or demonstrated increased or reduced antibiotic productivity compared to the fusion partners.
Bibliography:Application Number: FR19840007470