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Oxford University Press, Plant Physiology, 4(104), p. 1381-1384, 1994

DOI: 10.1104/pp.104.4.1381

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Phosphoinositides in Barley (Hordeum vulgare L.) Aleurone Tissue.

Journal article published in 1994 by C. A. Brearley ORCID, D. E. Hanke
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

[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.