Dynamics of inorganic ions in microspore and pollen grain during development of the tobacco male gametophyte

Dynamics of inorganic ions in microspore and pollen grain during development of the tobacco male... We studied the dynamics of mobile potassium, chloride, and nitrate ions during development of the microspore and differentiation of the pollen grain inNicotiana tabacum L. by measuring their concentration in aqueous extracts from cells destroyed by freezing-thawing using ion-selective electrodes. Stage-specific changes in the ion content and intracellular concentration in the male gametophyte were found. A relationship of the dynamics of ions to growth processes and changes in metabolic activity during gametophytogenesis has been discussed. The changes in the potassium and chloride ion concentrations have been interpreted as regulatory changes controlling protein synthesis in the pollen grain vegetative cell. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Dynamics of inorganic ions in microspore and pollen grain during development of the tobacco male gametophyte

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Publisher
Springer Journals
Copyright
Copyright © 2000 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1007/BF02758811
Publisher site
See Article on Publisher Site

Abstract

We studied the dynamics of mobile potassium, chloride, and nitrate ions during development of the microspore and differentiation of the pollen grain inNicotiana tabacum L. by measuring their concentration in aqueous extracts from cells destroyed by freezing-thawing using ion-selective electrodes. Stage-specific changes in the ion content and intracellular concentration in the male gametophyte were found. A relationship of the dynamics of ions to growth processes and changes in metabolic activity during gametophytogenesis has been discussed. The changes in the potassium and chloride ion concentrations have been interpreted as regulatory changes controlling protein synthesis in the pollen grain vegetative cell.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Nov 18, 2007

References

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