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Selection and activation of Escherichia coli strains for L-aspartic acid biosynthesis.

Polish journal of microbiology - 1 Jan 2007

Papierz Mirosław, Gadomska Grazyna, Sobierajski Bogusław, Chmiel Aleksander

Abstract excerpt

The strain of Escherichia coli K-12 with high aspartase activity was irradiated with UV. After mutagenesis and selection, the mutant B-715 was isolated which was 4-times more active in L-aspartic acid biosynthesis than parental K-12 strain. The highest productivity was achieved while the strain was cultivated in the ammonium fumarate medium in 37 degrees C for 18-30 hours. It was found that better results were...

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PMID: 17650675

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