Influence of calcium and rhizobial infections (Rhizobium leguminosarum) on the dynamics of nitric oxide (NO) content in roots of etiolated pea (Pisum sativum L.) seedlings
2014
Glyan’ko, A. K. | Ischenko, A. A. | Stepanov, A. V.
The effect of exogenous calcium (Ca²⁺) and rhizobial infections (Rhizobium leguminosarum bv viceae) on the dynamics of the level of nitric oxide (NO) was studied in cross cuts of roots of two-day-old etiolated pea seedlings (Pisum sativum L.) using a DAF-2DA fluorescent probe. Fluctuations of the NO level, indicating the presence of a rhythm in the generation of NO in roots, were observed during the incubation of seedlings in water, a CaCl₂ solution, and with rhizobial infections. Exogenous factors (Ca²⁺ and two rhizobial stamms) change the time dynamics of the NO level in comparison with the control (water).
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