Bacterial conversion of glycerol to beta-hydroxypropionaldehyde | Zendy

J. E. Vancauwenberge | Zendy; Patricia J. Slininger | Zendy; Rodney J. Bothast | Zendy

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Bacterial conversion of glycerol to beta-hydroxypropionaldehyde

Author(s) -

J. E. Vancauwenberge,

Patricia J. Slininger,

Rodney J. Bothast

Publication year - 1990

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.56.2.329-332.1990

Subject(s) - semicarbazide , liter , glycerol , klebsiella pneumoniae , klebsiella , biology , chemistry , food science , microbiology and biotechnology , biochemistry , escherichia coli , organic chemistry , gene , endocrinology

beta-hydroxypropionaldehyde (3-HPA) can be oxidized to acrylic acid, an industrially important chemical used in the manufacture of synthetic plastics and other polymers. Of 19 genera and 55 strains tested, 3 Klebsiella and 2 Enterobacter strains produced 3-HPA. The most efficient strain was Klebsiella pneumoniae NRRL B-4011. Under optimum conditions (28 degrees C; 40 g of semicarbazide hydrochloride per liter, 70 g of glycerol per liter; and pH 6.0), 3.1 g of B-4011 cells per liter accumulated 22 g of 3-HPA per liter at a specific rate of 0.83 g/g per h; however, 14.5 g of cells per liter accumulated 46 g of 3-HPA per liter at a specific rate of 0.41 g/g per h.

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