Planta 1987-Dec
Gibberellin modulation of phosphatidyl-choline turnover in wheat aleurone tissue.
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概要
Phosphatidyl choline (PC) is synthesised in wheat (Triticum aestivum L. cv. Flanders) aleurone tissue during early germination when new endomembranes are being formed. Although gibberellic acid does not ostensibly affect PC levels, it inhibits the incorporation of choline and differentially and specifically modulates the turnover of the N-methyl and methylene carbons of the choline headgroup of PC. Gibberellic acid has no effect on turnover of the phosphate moiety of either PC or the other major phosphatides. The possible biological importance of the findings is discussed.