Phosphoinositides in barley (Hordeum vulgare L.) aleurone tissue

[3H]Inositol labeling of barley (Hordeum vulgare L. cv Himalaya) aleurone layers and analysis of phospholipids by deacylation revealed the presence of phosphatidylinositol (PtdIns), PtdIns3P, and PtdIns4P but not PtdInsP2 species. In contrast to an earlier report (P.P.N. Murthy, G. Pliska-Matyshak,...

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Veröffentlicht in:	Plant physiology (Bethesda) 1994-04, Vol.104 (4), p.1381-1384
Hauptverfasser:	Brearley, C.A, Hanke, D.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Aleurone layer ANION ANIONES Barley Biological and medical sciences Botany CAPACIDAD DE CAMBIO IONICO CAPACITE D'ECHANGE IONIQUE Cell biochemistry Cell Biology and Signal Transduction Cell physiology CELLULE A ALEURONE CELULAS DE ALEURONA COMPOSICION QUIMICA COMPOSITION CHIMIQUE FOSFOLIPIDOS Fundamental and applied biological sciences. Psychology GENETICA GENETIQUE Guard cells HORDEUM VULGARE INOSITOL Inositols Isomers Lipid metabolism Lipids METABOLISME METABOLISMO Phosphates PHOSPHATIDE Phosphatidylinositols Plant physiology and development
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Beschreibung
Zusammenfassung:	[3H]Inositol labeling of barley (Hordeum vulgare L. cv Himalaya) aleurone layers and analysis of phospholipids by deacylation revealed the presence of phosphatidylinositol (PtdIns), PtdIns3P, and PtdIns4P but not PtdInsP2 species. In contrast to an earlier report (P.P.N. Murthy, G. Pliska-Matyshak, L.M. Keranen, P. Lam, H.H. Mueller, N. Bhuvarahamurthy [1992] Plant Physiol 98: 1498-1501) systematic chemical degradation of PtdIns revealed no evidence of a second isomer of PtdIns. Evidence of the widespread occurrence of 3-phosphorylated PtdIns within the plant kingdom is presented
ISSN:	0032-0889 1532-2548
DOI:	10.1104/pp.104.4.1381