Letter | Published:

Formation of γ-Guanidinobutyric Acid in Pine Tissues

Nature volume 193, page 781 (24 February 1962) | Download Citation

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Abstract

IN several experiments in which arginine uniformly labelled with carbon-14 was fed to various tissues of pines, one unidentified compound was found to contain most of the radioactivity incorporated into alcohol-soluble products. When tissue extracts were cleared for chromatography following the ion-exchange procedure of Plaisted1, the unknown was eluted from ‘Dowex 50’ resin with the acidic and neutral amino-acids. However, the RF of the unidentified compound on paper chromatography did not correspond with the RF of any common amino-acid. Subsequent tests indicated that the radioactive unknown was γ-guanidinobutyric acid, previously found in several species of higher plants, as well as in insects and mammals, by Irreverre et al.2.

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Affiliations

  1. Southeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, Duke University, Durham, North Carolina.

    • ROBERT L. BARNES

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DOI

https://doi.org/10.1038/193781a0

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