Казанский (Приволжский) федеральный университет, КФУ
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REAL-TIME DYNAMICS OF WATER TRANSPORT IN THE ROOTS OF INTACT MAIZE PLANTS IN RESPONSE TO WATER STRESS: THE ROLE OF AQUAPORINS AND THE CONTRIBUTION OF DIFFERENT WATER TRANSPORT PATHWAYS
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2024
Языканглийский
  • Даминова Амина Галеевна, автор
  • Минибаева Фарида Вилевна, автор
  • Библиографическое описание на языке оригинала Suslov M. Real-time dynamics of water transport in the roots of intact maize plants in response to water stress: the role of aquaporins and the contribution of different water transport pathways / M. Suslov, A. Daminova, J. Egorov // Cells. - 2024. - V.13. - № 154. - P. 1-25.
    Аннотация Using an original methodological and technical approach, we studied the real-time dynamics of radial water transfer in roots and transpiration rate in intact maize plants in response to water stress. It was shown that the response of maize plants to water stress, induced by 10% PEG 6000, was accompanied by changes in the intensity and redistribution of water transfer along different pathways of radial water transport in the roots. It was shown that during the first minutes of water stress impact, the intensity of transcellular and symplastic water transport in the roots decreased with a parallel short-term increase in the transpiration rate in leaves and, presumably, in apoplastic transport in roots. Further, after a decrease in transpiration rate, the intensity of transcellular and symplastic water transport was restored to approximately the initial values and was accompanied by parallel upregulation of some PIP aquaporin genes in roots and leaves, changes in aquaporin localization in root tissues, and changes in xylem sap pH. Under water stress conditions, cell-to-cell water transport in roots becomes dominant, and aquaporins contribute to the simultaneous regulation of water transport in roots and shoots under water stress.
    Ключевые слова water transport in roots, transpiration, apoplast, symplast, cell water permeability, aquaporins
    Название журнала CELLS
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