Hormonal regulation of phosphatidylcholine synthesis in plants. The inhibition of cytidylyltransferase activity by indol-3-ylacetic acid
- 15 December 1983
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 216 (3), 627-631
- https://doi.org/10.1042/bj2160627
Abstract
IAA stimulated stem elongation within 1 h of treatment of Pisum sativum L. cv. Feltham First stem sections. This elongation was accompanied by an increase in the endogenous level of phosphocholine and a decrease in that of CDP choline. Measurements in vitro of the CDP-base pathway enzymes showed an increase in choline phosphotransferase and a decrease in cytidylyltransferase activity on homrone treatment. The decrease in phosphatidylcholine labeling from [14C]choline that is observed on IAA treatment of pea stem sections is caused by the decrease in cytidylyltransferase activity.This publication has 24 references indexed in Scilit:
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