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. 1994 Apr;104(4):1381–1384. doi: 10.1104/pp.104.4.1381

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

C A Brearley 1, D E Hanke 1
PMCID: PMC159303  PMID: 12232174

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.

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Selected References

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