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Physiological and biochemical characteristics of the recalcitrant seeds having dormancy: A review

Physiological and biochemical characteristics of the recalcitrant seeds having dormancy: A review The review considers and sums up the results of studies of physiological and biochemical characteristics of the dormant and germinating recalcitrant seed (the object of the study, the seed of horse chestnut, Aesculus hippocastanum L., is viewed as an exemplary case). The results of analysis of the proteomes of the axes and cotyledons have been studied and the effects of the stratification have been assessed. Gene expression has been studied at the level of protein synthesis: the protein-synthesizing capacity of the cells of the embryonic axis and cotyledon storage parenchyma of mature seed and seed undergoing stratification. The extent to which the functionally active translation machinery of ripe seed depends on transcription has been assessed, and the ability to synthesize protein under the conditions of stratification has been established. It is concluded that the embryonic axis of dormant seed lacks innate dormancy and that the isolated axis exhibits diverse sensitivity to exogenous abscisic acid and other physiologically active compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Physiological and biochemical characteristics of the recalcitrant seeds having dormancy: A review

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References (47)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Life Sciences; Biochemistry, general; Microbiology; Medical Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1134/S0003683807030167
Publisher site
See Article on Publisher Site

Abstract

The review considers and sums up the results of studies of physiological and biochemical characteristics of the dormant and germinating recalcitrant seed (the object of the study, the seed of horse chestnut, Aesculus hippocastanum L., is viewed as an exemplary case). The results of analysis of the proteomes of the axes and cotyledons have been studied and the effects of the stratification have been assessed. Gene expression has been studied at the level of protein synthesis: the protein-synthesizing capacity of the cells of the embryonic axis and cotyledon storage parenchyma of mature seed and seed undergoing stratification. The extent to which the functionally active translation machinery of ripe seed depends on transcription has been assessed, and the ability to synthesize protein under the conditions of stratification has been established. It is concluded that the embryonic axis of dormant seed lacks innate dormancy and that the isolated axis exhibits diverse sensitivity to exogenous abscisic acid and other physiologically active compounds.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: May 23, 2007

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