Evaluation of the effect of oxidative stress on roots of red beet ( Beta vulgaris L.)
Автор: Kolesnikova E.V., Ozolina N.V., Nurminsky V.N., Nesterkina I.S., Sitneva L.A., Lapteva T.I.
Журнал: Журнал стресс-физиологии и биохимии @jspb
Статья в выпуске: 4 т.10, 2014 года.
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In the present investigation it was studied the effect of oxidative stress on root of red beet. The degree of stress exposure was assessed at various levels: in tissues of roots (conductometric method), on isolated vacuoles (time-lapse video recording), and transport activity of the vacuolar membrane enzyme, namely V-H +-ATPase (fluorescent probe method). The obtained results allow to conclude the negative effects of oxidative stress on different levels of plant organization. There were several effects: a significant increase of outflow of electrolytes from the tissues of roots, a great decrease of half-life time of isolated vacuoles, and a 2 times reduction of transport activity of tonoplast H +-ATPase. Thus, the methods used in this study can be applied to assess the intensity of the impact of oxidative stress on plants.
Enzyme activity, electrolyte outflow, root of red beet, oxidative stress, stability of vacuoles
Короткий адрес: https://sciup.org/14323909
IDR: 14323909
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