Disa, Suhas ; Gupta, Aditya ; Guha-Mukherjee, Sipra ; Sopory, Sudhir K. (1985) Requirement for a long lag period for the induction of nitrate reductase in wheat (Triticum aestivum) embryos during germination New Phytologist, 99 (1). pp. 71-80. ISSN 0028-646X
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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1469-...
Related URL: http://dx.doi.org/10.1111/j.1469-8137.1985.tb03637.x
Abstract
The induction of nitrate reductase (NR) in the embryos of wheat required a period of 20 h of incubation in nitrate during the early stages of seed germination. The lag phase in the development of NR activity was not due to the non-availability of nitrate in the embryos, the presence of a nitrate reductase inactivating factor, or the synthesis of inactive NR. At the onset of the inducible phase the enzyme was synthesized de novo, but was not dependent on the synthesis of fresh m-RNA. Protein synthesis during the lag phase was essential for the subsequent induction of NR in the inducible phase.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Nitrate Reductase; Enzyme Induction; Germination; Lag Period; Wheat |
| ID Code: | 49853 |
| Deposited On: | 21 Jul 2011 09:14 |
| Last Modified: | 17 Jul 2012 05:03 |
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