Journal
BIOLOGIA PLANTARUM
Volume 52, Issue 3, Pages 587-591Publisher
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s10535-008-0117-1
Keywords
ornithine-delta-aminotransferase; proline dehydrogenase; Delta(1)-pyrroline-5-carboxylate synthetase; sodium nitroprusside
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The present work is focused on the possible relationship between nitric oxide and the induction of proline in response to salt stress. The plants were subjected to 100 mM NaCl and sodium nitroprusside ( SNP; the donor of NO) at different concentrations. The plants showed lower NaCl-induced oxidative stress and proline accumulation after application of low concentrations of SNP together with the NaCl treatment. The reduction in the proline content was related to increased activity of proline dehydrogenase. These results suggest that the NO could be capable of mitigating damage associated with salt stress.
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