PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12223730-4 1997 In the presence of 1 mM Gln or 1% Suc, tissue nitrate concentration was not significantly altered, but the induction of root NR activity was reduced or enhanced, respectively. Sucrose 34-37 nitrate reductase [NADH] 1 Zea mays 125-127 12223730-6 1997 Transcript levels of NR and NiR in roots were reduced in the presence of the amides and enhanced in the presence of Suc. Sucrose 116-119 nitrate reductase [NADH] 1 Zea mays 21-23