Bacillus thuringiensis isolates for controlling acarides

Details Bacillus thuringiensis isolates for controlling acarides Bacillus thuringiensis isolates for controlling acarides

1991-09-30

1993-05-18

Low, Christopher S. F.

Drug, bio-affecting and body treating compositions

Whole live micro-organism, cell, or virus containing

Genetically modified micro-organism, cell, or virus

424405, 424 93K, 424 93D, 4352525, 435832, 514 2, 530350, 530825, 935 64, 935 63, A01N 6100, C12N 120, C07K 1502

Patent

active

052119467

ABSTRACT:
Disclosed and claimed are Bacillus thuringiensis isolates designated B.t. PS45B1, B.t. PS24J, B.t. PS94R3 B.t. PS17, B.t. PS62B1 and B.t. PS74G1 which are active against acarid pests. Thus, these isolates, or mutants thereof, can be used to control such pests. Further, genes encoding novel .delta.-endotoxins can be removed from these isolates and transferred to other host microbes, or plants. Expression of the .delta.-endotoxins in microbe hosts results in the control of acarid pests, whereas transformed plants become resistant to acarid pests.

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Neal, J. W. Lingquist, R. K., Gott, K. M. and Casey, M. L. (1987) "Activity of the thermostable beta-exotoxin of Bacillus thuringiensis Berliner on Tetranychus urticae and Tetranychus cinnabarinus", J. Agric. Entomol. 4:33-40.
Vlayen, P., Impe, G. and Van Semaille, R. (1978) "Effect of a commercial preparation of Bacillus thuringiensis on the spider mit Tetranychus urticae Koch. (Acari: Tetranychidae)" Mededelingen 43:471-479.
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