Improvement of clavulanic acid production in Streptomyces clavuligerus F613-1 by using a claR - neo reporter strategy
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چکیده
منابع مشابه
Complete Genome Sequence of Streptomyces clavuligerus F613-1, an Industrial Producer of Clavulanic Acid
Streptomyces clavuligerus strain F613-1 is an industrial strain with high-yield clavulanic acid production. In this study, the complete genome sequence of S. clavuligerus strain F613-1 was determined, including one linear chromosome and one linear plasmid, carrying numerous sets of genes involving in the biosynthesis of clavulanic acid.
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Clavulanic acid is produced industrially by fermentation of Streptomyces clavuligerus and researches have increased its production by strain improvement, recombinant DNA technology, and media composition and growth condition optimization. The main objective of this study was to increase the level of clavulanic acid production from Streptomyces clavuligerus (DSM 738), using UV irradiation. After...
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β-lactam antibiotics are among the most popular classes of antibacterial agents, whose mechanism of action consists on the inhibition of bacterial cell wall synthesis.1 The production of β-lactamase is the most important mechanism for bacterial resistance to β-lactam antibiotics.2 Secondary metabolites produced by bacteria exhibit potent biological activities and have been developed extensively...
متن کاملConstruction of Recombinant Vectors Containing Clavulanic Acid Antibiotic Regulatory Gene, claR, Isolated of Streptomyces clavuligerus Strains
The claR of Streptomyces clavuligerus in the clavulanic acid gene cluster encodes a transcriptional regulator that controls clavulanic acid biosynthesis. The main goal of this study was isolation and molecular detection of the claR gene and its cloning in the Streptomyces specific vector (pMA:: hyg). By cinsideration of the claR gene’s start codon, the specific primers were designed. After geno...
متن کاملOverproduction of Clavulanic Acid by UV Mutagenesis of Streptomyces clavuligerus
Clavulanic acid is produced industrially by fermentation of Streptomyces clavuligerus and researches have increased its production by strain improvement, recombinant DNA technology, and media composition and growth condition optimization. The main objective of this study was to increase the level of clavulanic acid production from Streptomyces clavuligerus (DSM 738), using UV irradiation. After...
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ژورنال
عنوان ژورنال: Electronic Journal of Biotechnology
سال: 2017
ISSN: 0717-3458
DOI: 10.1016/j.ejbt.2017.05.002