Uso um polinucleotideo isolado, uso de cassetes de expressao recombinate, celula hospedeira, planta transgenica, semente transgenica, metodo para modular a eficiencia de utilizacao de nitrogenio em plantas, metodo para aumentar a atividade de polipeptideos de metabolismo de opina em uma celula de planta

摘要

The invention provides for the regulation of opine synthesis and catabolism providing improved nitrogen responsiveness, utilizing opine synthase and oxidase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering nitrogen utilization and/or uptake in plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants.