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A promoter of the PNZIP(Pharbitis nil leucine zipper)gene(1.459 kb)was cloned from Pharbitis nil and fused to the GUS(b-glucuronidase)and Bacillus thuringiensis endotoxin(Cry9C)genes.Several transgenic PNZIP::GUS and PNZIP::Cry9C cotton lines were develop