ENZYMES AND METHODS FOR DEGRADING BIPYRIDYLIUM HERBICIDES

• Main Authors: WILLIAMS, MICHELLE R, DORRIAN, SUSAN J, HARTLEY, CAROL J, RUSSELL, ROBYN J, OAKESHOTT, JOHN G
• Format: Patent
• Language: English; French
• Published: 17.09.2009
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS OR TEST PAPERS THEREFOR; COMPOSITIONS THEREOF; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES; CULTURE MEDIA; ENZYMOLOGY; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; NEW PLANTS OR PROCESSES FOR OBTAINING THEM; ORGANIC CHEMISTRY; PEPTIDES; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES; PROCESSES OF PREPARING SUCH COMPOSITIONS; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; TRAPPING; VINEGAR; WINE

The present invention relates to enzymes which are able to degrade and/or cleave bipyridylium herbicides such as paraquat and diquat, as well as polynucleotides encoding these enzymes. The invention also relates to transgenic plants producing these enzymes which are resistant to bipyridylium herbicide activity. In addition, the present invention provides methods of bioremediation which rely on the activity of these types of enzymes. La présente invention porte sur des enzymes qui sont aptes à dégrader et/ou cliver des herbicides à base de bipyridylium tels que le paraquat et le diquat, ainsi que sur des polynucléotides codant pour ces enzymes. L'invention porte également sur des plantes transgéniques produisant ces enzymes qui sont résistantes à une activité d'herbicide à base de bipyridylium. De plus, la présente invention porte sur des procédés de bioremédiation qui reposent sur l'activité de ces types d'enzymes.