Interaction between NO3− and abscisic acid in the regulation of lateral root elongation in Zea mays Lстатья
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Дата последнего поиска статьи во внешних источниках: 2 сентября 2016 г.
Аннотация:Lateral root (LR) elongation rate of 7–8-day maize seedlings depends on the availability of NO3− , NO2− , and abscisic acid (ABA) in an environment. Four-hour exposure to 0.01–1.5 mM NO2− increases the relative LR elongation rate; in the case of NO2− , the stimulation occurs only at an NO2− concentration equal to 0.01 mM. Exogenous ABA (10−6 M) inhibits the LR elongation process. In the case of a combined influence of NO3− and ABA or NO2− and ABA, the character of the response elongation reaction is different. The NO role in the regulation of LR elongation is discussed.