Identification and characterization of a nitrate reductase gene from bean (Phaseolus vulgaris) containing four introns [circadian rhythm, nitrate induction, structural gene, light induction]

amino acids biological rhythms feuille gene gene expression genes hojas identification leaves molecular cloning molecular weight nitrate reductase nitrato reductasa nucleotide sequence peso molecular phaseolus vulgaris racine roots rythme biologique saccharose secuencia nucleica sucrosa sucrose