Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
Patent
1995-01-26
1998-06-16
Wax, Robert A.
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Hydrolase
435 697, 530412, 536 234, C12N 938, C12P 2104, A23J 100, C07H 2104
Patent
active
057669147
ABSTRACT:
A method of producing and purifying an enzyme which comprises selecting a spore forming host organism, preparing a genetic construct consisting of a DNA sequence encoding the desired enzyme and a DNA sequence directing synthesis of the desired enzyme during sporulation, inserting the genetic construct into the host organism, culturing the transformed host organism under sporulating conditions to obtain host organism spores with the enzyme integrally associated to the spores, and then treating the host organism and enzyme combination to remove any impurities, if necessary. The free enzyme can be obtained by cleaving the connection between the host organism and the enzyme. The combination of the enzyme and host organism is both a stabilized and an immobilized enzyme preparation.
REFERENCES:
patent: 5081034 (1992-01-01), Bevilacqua et al.
patent: 5179007 (1993-01-01), Jarvis et al.
patent: 5223394 (1993-06-01), Wallner
patent: 5223409 (1993-06-01), Ladner et al.
patent: 5348867 (1994-09-01), Georgiou et al.
Schoel et al. (1988) J. Chromatography 448: 165-172.
William Donovan et al., "Genes Encoding Spore Coat Polypeptides from Bacillus subtilis", J. Mol. Biol. (1987) 196, pp. 1-10.
Liangbiao Zhend et al., "Cascade Regulation of Spore Coat Gene Expression in Bacillus subtilis", J. Mol. Biol. (1990) 212 pp. 645-660.
Joseph A. Francisco et al., "Production and fluorescence-activated cell sorting of Escherichia coli expressing a functional antibody fragment on the external surface", Proc. Natl. Acad. Sci. USA vol. 90, pp. 10444-10448, Nov. 1993, Biochemistry.
Joseph A. Francisco et al., "Specific Adhesion and Hydrolysis of Cellulose by Intact Echericha coli Expressing Surface Anchored Cellulase or Cellulose Binding Domains", Bio./Technology vol. 11, Apr., 1993, pp. 491-495.
Adam Driks et al., "Subcellular localization of proteins involved in the assembly of the spore coat of Bacillus subtilis" Genes & Development, 1994 8, pp. 234-244.
Hobbs Lisa J.
Michigan State University
Wax Robert A.
LandOfFree
Method of producing and purifying enzymes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of producing and purifying enzymes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of producing and purifying enzymes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1724635