Cellular encapsulation of biological pesticides

Details Cellular encapsulation of biological pesticides Cellular encapsulation of biological pesticides

C - Chemistry, Metallurgy

12

N

167/5.1, 195/34.

C12N 1/20 (2006.01) A01N 25/28 (2006.01) A01N 63/00 (2006.01) C12N 15/75 (2006.01)

Patent

CA 1341052

Methods and compositions are provided for preparing and using pesticides, where the pesticides are encapsulated in non-proliferating cells. In one aspect of the invention, whole, i.e., unlysed, cells of a toxin (pesticide)-producing organism are treated with reagents than prolong the activity of the toxin produced in the cell when the cell is applied to the environment of target pest(s). In another aspect of the invention a heterologous gene is introduced into a cellular host, where expression of the heterologous gene results, directly or indirectly, in production of the pesticide. These cells are then killed under conditions which prolong the pesticidal activity when said cells are applied to the environment of a target pest. The thus treated cells can be used directly or after formulation for treatment of an agricultural host or environment of the host with the pesticide.

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