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Isolation of soluble metabolites of the phosphatidylinositol cycle from Samanea saman

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Abstract

An improved protocol for the separation of inositol phosphates by high performance liquid chromatography was used to resolve inositol phosphates from pulvini (motor organs) of the legume, Samanea saman. The pulvini contained inositol phosphate, inositol bisphosphate, and inositol trisphosphate isomers which co-migrated with those of mammalian red blood cells, and one or more other inositol metabolites which, to our knowledge, have not been previously noted in preparations of inositol phosphates. The finding of inositol phosphates in Samanea which comigrate with mammalian inositol phosphates supports the possibility that the phosphatidylinositol cycle may function in signal transduction in plants as well as in animals.

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Abbreviations

HPLC:

high performance liquid chromatography

PI:

phosphatidylinositol

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Authors and Affiliations

  1. Department of Molecular and Cell Biology, U-125, The University of Connecticut, 06268, Storrs, CT, USA

    G. G. Coté, M. J. Morse, R. C. Crain & R. L. Satter

Authors
  1. G. G. Coté
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  2. M. J. Morse
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  3. R. C. Crain
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  4. R. L. Satter
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Additional information

Communicated by G. C. Phillips

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Coté, G.G., Morse, M.J., Crain, R.C. et al. Isolation of soluble metabolites of the phosphatidylinositol cycle from Samanea saman . Plant Cell Reports 6, 352–355 (1987). https://doi.org/10.1007/BF00269558

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  • DOI: https://doi.org/10.1007/BF00269558

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