Plant cell in the process of the adaptation to simulated microgravity. |
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Authors: | E L Kordyum |
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Institution: | N.G. Kholodny Institute of Botany, Academy of Science of the Ukrainian SSR, Kiev, USSR. |
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Abstract: | Analysis of structural-and-functional rearrangements in the organelles of meristematic, differentiating and differentiated cells of pea root under microgravity demonstrated certain consistencies in their manifestation, namely: a) heterogeneity of the organelles in a cell population with respect to the degree of the rearrangements; b) coincidence of a spatial succession in development; c) increased reactivity under changes in functional load during cell growth and differentiation; d) enhanced activity when a cell loses its specific functions (replacement of functions). It is assumed that microgravity does not prevent the development of certain adaptative reactions of organisms at the cellular level. |
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