construto de promotor quimérico, cassete de expressão, vetor de expressão, método de obtenção de uma planta, método para regular a expressão de um polinucleotídeo de interesse, polinucleotídeo, método para expressar um polinucleotídeo de interesse

摘要

Compositions and methods comprising promoters from the 4-hydroxyphenylpyruvate dioxygenase (HPPD) gene and active variants and fragments thereof, as well as chimeric promoters employing regulatory regions of the HPPD promoters are provided. Further provided are expression cassettes and plants comprising the various promoters disclosed herein operably linked to a polynucleotide of interest. Methods employing the various promoters described herein to modulate the expression of polynucleotides of interest are further provided.