| abstract |
(57) [Problem] To provide a promoter for expression of a DNA sequence optimized for expression in a plant. The DNA sequence is preferably an insecticidal polypeptide, in particular Bacillus thuringiensis ( Bacillus ). s thuringiensis) . Plant promoters are provided, especially tissue-specific and tissue-suitable promoters. Also disclosed are transformation vectors comprising the above DNA sequences. The transformation vector exhibits a high level of insecticidal activity when transformed into maize. |