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Potency of insect-specific scorpion toxins on mosquito control using Bacillus thuringiensis Cry4Aa
Riku Matsumoto1, Yoshitaka Shimizu1, Mohammad Tofazzal Hossain Howlader2
1Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
Journal of Bioscience and Bioengineering
|February 11, 2014
Abstract:
Two insect-specific scorpion toxins, BjαIT and AahIT were produced as alkali-soluble protein inclusions in Escherichia coli. The inclusion bodies themselves exhibited no toxicity against Culex pipiens larvae. However, coadministration with Cry4Aa toxin enhanced the mosquitocidal activity by 2-3 fold. Insect-specific scorpion toxins can be good supplements for Cry toxin-based bioinsecticides.

