Enzymatic detoxification of organophosphorus compounds

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

435 691, 4352523, 4352625, 4353201, 536 232, C12N 916, C12N 1555, C12N 1570, B09B 300

Patent

active

059289279

ABSTRACT:
Compositions and methods are provided for enzymatic detoxification of organophosphorus compounds. The compositions contain a recombinant enzyme expressed by a cloned gene encoding an organophosphorus acid anhydrolase (OPAA-2) from the Alteromonas sp. bacteria, strain JD6.5. These compositions may be prepared as a dry powder and reconstituted with various water sources when needed. The methods involve application of compositions of recombinant OPAA-2 to surfaces or substances contaminated with organophosphorus compounds under conditions which maximize activity and stability of the enzyme.

REFERENCES:
patent: 5484728 (1996-01-01), Serdar et al.
patent: 5589386 (1996-12-01), Serdar et al.
Landis, W.G., et al., "Discovery of Multiple Organofluorophosphate Hydrolng Activities in the Protozoan Tetrahymena Thermophila", J. Appl. Toxicol., vol. 7, pp. 35-41 (1987).
DeFrank, J.J., et al., "Screening of Halophilic Bacteria and Alteromonas Species for Organophosphorus Hydrolyzing Enzyme Activity", Chem. Biol. Interact., vol. 87, pp. 141-148, 1993.
McDaniel, C.S. et al., "Cloning and Sequencing of a Plasmid-Borne Gene (opd) Encoding a Phosphotriesterase", J.Bacteriol., vol. 170:, pp. 2306-2311, 1989.
Mulbry, W. &Karns, J., "Parathion Hydrolase Gene Specified by the Flavobacterium opd gene: Relationship Between the Gene and Protein", J.Bacteriol., vol. 171, pp. 6740-6746, 1989.
DeFrank J.J. & T.C. Cheng, "Purification and Properties of an Organophosphorus Acid Anhydrase from a Halophilic Bacterial Isolate", J.ofBacteriol., vol. 173, pp. 1938-1943 , 1991.
Davis, et al., Basic Methods in Molecular Biology, pp. 44-46, Elsevier, New York, 1986.
Short, J.M., et al., " .backslash. ZAP: A Bacteriophase .backslash. Expression Vection with in vivo Excision Properties". Nucleic Acids Res., vol. 16, pp. 7583-7589, 1988.
Cheng, T.C., et al., "Cloning and Expression of a Gene Encoding a Bacterial Enzyme for Decontamination of Organophosphorus Nerve Agents and Nucleotide Sequence of the Enzyme", Applied and Environmental Microbiology, vol. 62, pp. 1636-1641, May 1996.
Cheng, T.C. et al., "Purification and Properties of a Highly Active Organophosphorus Acid Anhydrolase from Alteromonas undina", Applied and Environmental Microbiology, vol. 59, pp. 3138-3140, Sep. 1993.
Broomfield, C. A., Chemical-Biological Interactions, vol. 87, "A purified recombinant organophosphorus acid anhydrase protects mice against soman", pp. 279-284, 1993.
Cheng, T.-C., et al., Applied and Environmental Microbiology, vol. 59, "Purification and properties of a highly active organophosphorus acid anhydrolase from Alteromonas undina", pp. 3138-3140, 1993.
Cheng, T.-C., et al., Abstracts of the General Meeting of the American Society for Microbiology, vol. 94, "Gene cloning and expression of a nerve agent degrading enzyme from Alteromonas JD6.5", p. 269, 1994.
Cheng, T.-C., et al., Proceedings of the ERDEC Scientific Conference on Chemical and Biological Defense Research, Berg, D. A., Ed., "Stability of a nerve-agent-degrading enzyme in blast containment and fire-fighting foams", pp. 803-809, 1996.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Enzymatic detoxification of organophosphorus compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Enzymatic detoxification of organophosphorus compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Enzymatic detoxification of organophosphorus compounds will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-877883

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.