Webb31 mars 2024 · Gene Expression. nirA, ... nirA d-106 9 an allele conferring nitrogen metabolite derepression of nitrate and nitrite reductase activity, includes two transitions, changing a glutamic acid to a lysine and a valine to an alanine, situated between a basic and a proline-rich region of the protein. Webb19 nov. 2024 · Nitrate reductase (NR) is a key regulator controlling root system architecture. • NR-deficient mutant showed very low expression levels of auxin biosynthetic/signaling genes. • Nitrate transporter NRT1.1 mutant showed a high NR activity and accumulated a high level of auxin. • NR activity is roughly positive …
(PDF) Modifications of the activity of nitrate reductase from …
WebbNitrate reductase (NR) is the enzyme that catalyzes the first step of nitrate assimilation. It is well known that the expression of NR genes is rapidly induced in various plants by nitrate. Webb1 feb. 1992 · In contrast, wild-type cells required nitrate induction for expression of high levels of both activities. In mutants defective at the regulatory locus for nitrate … talbots women\u0027s size chart
Regulation of nitrate and nitrite reductase expression in …
Webb13 apr. 2024 · Expression of the following genes related to nitrogen metabolism was determined: NR genes OsNia1 (LOC4345795) and OsNia2 (LOC4330867), nitrate … WebbAll reductive branches of this cycle involve the conversion of nitrate to nitrite, which is catalyzed by the enzyme nitrate reductase. The characterization of nitrate reductases … Webb29 okt. 2002 · Nitrate reductase gene ( nia )expression, which is known to be subjected to large day–nightfluctuations ( Galangau et al .1988; Scheible et al. 2000 ),was used as a positive control. talbots women\u0027s shoes flats