Production of poly(4-hydroxybutyric acid) by fed-batch cultures of recombinant strains of Escherichia coli
1999
Song, S. | Hein, S. | Steinbüchel, A.
A recombinant strain of Escherichia coli was used to produce poly(4-hydroxybutyric acid). P(4HB), homopolyester by fed-batch culture in M9 mineral salts medium containing glucose and 4-hydroxybutyric acid as carbon sources. The final cell dry weight, P(4HB) concentration and P(4HB) content were 12.6 g/l, 4.4 g/l, and 36% of cell dry weight, respectively, in a 27-l stirred and aerated fermenter after 60 h of fed-batch fermentation at constant pH.
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