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In situ and IAA-induced cell elongation is correlated to the oleoyl phosphatidylcholine content along the Vigna radiata hypocotyl

Successive segments of mung bean hypocotyls (Vigna radiata) show fatty acid changes according to the lengths of their cells. Only the accumulation of oleic acid was related to the growth process; its level was markedly increased all along the hypocotyl. When segments were treated with IAA in vitro,...

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Published in:	Plant and cell physiology 1983-04, Vol.24 (3), p.541-549
Main Authors:	Goldberg, R, Prat, R. (Ecole Normale Superieure, Paris (France)), Dubacq, J.P
Format:	Article
Language:	English
Subjects:	ACIDE OLEIQUE ACIDO OLEICO Auxin (cell elongation) AUXINAS AUXINE AUXINS HIPOCOTILOS HYPOCOTYLE HYPOCOTYLS LECITHINE LECITHINS LECITINAS OLEIC ACID Phosphatidylcholine VIGNA RADIATA Vigna radiata(hypocotyl)
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container_issue	3
container_start_page	541
container_title	Plant and cell physiology
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creator	Goldberg, R Prat, R. (Ecole Normale Superieure, Paris (France)) Dubacq, J.P
description	Successive segments of mung bean hypocotyls (Vigna radiata) show fatty acid changes according to the lengths of their cells. Only the accumulation of oleic acid was related to the growth process; its level was markedly increased all along the hypocotyl. When segments were treated with IAA in vitro, all that had increments in length also had increased oleic acid contents. These two factors were highly correlated. Phosphatidylcholine, and to a less extent phosphatidylethanolamine, were the two phospholipids involved in this phenomenon. Fusicoccin increased cell length but made little, if any, change in the fatty acid content. These results have been interpreted in terms of membrane synthesis and transfer of the membrane from the endoplasmic reticulum toward the plasmalemma and tonoplast.
doi_str_mv	10.1093/oxfordjournals.pcp.a076546
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Phosphatidylcholine, and to a less extent phosphatidylethanolamine, were the two phospholipids involved in this phenomenon. Fusicoccin increased cell length but made little, if any, change in the fatty acid content. These results have been interpreted in terms of membrane synthesis and transfer of the membrane from the endoplasmic reticulum toward the plasmalemma and tonoplast.</abstract><pub>Oxford University Press</pub><doi>10.1093/oxfordjournals.pcp.a076546</doi><tpages>9</tpages></addata></record>
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source	Oxford University Press:Jisc Collections:Oxford Journal Archive: Access period 2024-2025
subjects	ACIDE OLEIQUE ACIDO OLEICO Auxin (cell elongation) AUXINAS AUXINE AUXINS HIPOCOTILOS HYPOCOTYLE HYPOCOTYLS LECITHINE LECITHINS LECITINAS OLEIC ACID Phosphatidylcholine VIGNA RADIATA Vigna radiata(hypocotyl)
title	In situ and IAA-induced cell elongation is correlated to the oleoyl phosphatidylcholine content along the Vigna radiata hypocotyl
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