Effects of sodium nitroprusside, the nitric oxide donor, on photosynthesis and ultrastructure of common flax leaf blades

Solutions of sodium nitroprusside, a nitric oxide donor, were introduced at various concentrations into common flax (Linum usitatissimum L.) shoots with the transpirational water flow. Sodium nitroprusside and nitrate were found to exert similar effects on incorporation of ¹⁴C into photosynthetic pr...

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Bibliographic Details
Published in:Russian journal of plant physiology 2010, Vol.57 (3), p.376-381
Main Authors: Batasheva, S. N, Abdrakhimov, F. A, Bakirova, G. G, Isaeva, E. V, Chikov, V. I
Format: Article
Language:English
Subjects:
apoplast
assimilate transport
Biomedical and Life Sciences
Life Sciences
Linum usitatissimum
nitrates
nitric oxide
phloem ultrastructure
photosynthesis
Plant Physiology
Plant Sciences
Research Papers
sodium nitroprusside
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Summary:Solutions of sodium nitroprusside, a nitric oxide donor, were introduced at various concentrations into common flax (Linum usitatissimum L.) shoots with the transpirational water flow. Sodium nitroprusside and nitrate were found to exert similar effects on incorporation of ¹⁴C into photosynthetic products, leaf cell ultrastructure, and the export of assimilates from leaves. The results suggest that export of assimilates from leaves might be regulated by the products of incomplete nitrate reduction and that regulation may involve the NO-signaling system.
ISSN:1021-4437
1608-3407
DOI:10.1134/S102144371003009X