Gupta, Aditya ; Disa, Suhas ; Saxena, Inder M. ; Sarin, Neera B. ; Guha-Mukherjee, Sipra ; Sopory, Sudhir K. (1983) Role of nitrate in the induction of nitrite reductase activity during wheat seed germination Journal of Experimental Botany, 34 (4). pp. 396-404. ISSN 0022-0957
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Official URL: http://jxb.oxfordjournals.org/content/34/4/396.sho...
Related URL: http://dx.doi.org/10.1093/jxb/34.4.396
Abstract
Nitrate could not induce NR activity for the first 20 h during the early phase of wheat embryo germination, in spite of considerable accumulation of nitrate inside the tissue. Nitrate, however, induced NR without a lag phase in seeds germinated in water for 24, 32 and 48 h. NiR induction by NO-3 was found to be independent of NR induction, since NiR activity was observed during the lag phase of NR synthesis and in the presence of tungstate-an inhibitor of NR synthesis. Studies with inhibitors of transcription and translation suggest that nitrate acts at the translation level for the induction of NiR during early germination of wheat embryos.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Oxford University Press. |
| Keywords: | Nitrite Reductase; Wheat; Seed Germination |
| ID Code: | 49943 |
| Deposited On: | 21 Jul 2011 10:00 |
| Last Modified: | 17 Jul 2012 05:03 |
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