The influence of osmotic stress on the content of calcium ions in the red beet vacuoles and on the transport activity of tonoplast proton pumps Journal title: Журнал ÑтреÑÑ-физиологии и биохимии Authors: N. Ozolina, E. Kolesnikova, V. Nurminsky, I. Nesterkina, L. Dudareva, T. Lapteva, R. Salyaev Subject(s):