It is well established that nitrite reductase (NIR; EC 1.7.7.1) a key enzyme of nitrate reduction - is "induced" by nitrate and light. In the present study with the spinach (Spinacia oleracea L.) seedling the dependency of NIR appearance on nitrate, light and a 'plastidic factor' was investigated to
Coaction of light, nitrate and a plastidic factor in controlling nitrite-reductase gene expression in tobacco
β Scribed by A. Neininger; J. Kronenberger; H. Mohr
- Publisher
- Springer-Verlag
- Year
- 1992
- Tongue
- English
- Weight
- 1012 KB
- Volume
- 187
- Category
- Article
- ISSN
- 0032-0935
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β¦ Synopsis
Nitrite reductase (NIR; EC 1.7.7.1) -a key enzyme of nitrate reduction -is known to be induced by nitrate and light. In the present study with tobacco (Nicotiana tabacum L.
π SIMILAR VOLUMES
A partial cDNA clone (PSnir) encoding the C-terminal region of nitrite reductase was isolated from a 2gtl 1 library of the gymnosperm Pimus sylvestris (L.). Nucleotide sequence analysis showed that PSnir contains a reading frame encoding 105 amino acid residues. The amino acid sequence revealed a ho
which is cytosolic, as if it were a plastidic protein. The appearance of NR3 depends on the plastidic factor in principally the same way as that of NR~ and NR2 whereas NR 4 is totally independent of the plastidic factor. The data document particular kinds of interaction between controlling factors