Letter | Published:

Effect of Leaf Roll Virus on the Amino-Acid Composition of Potato Tubers

Naturevolume 166pages7273 (1950) | Download Citation

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Abstract

THE paper chromatographic method of Williams and Kirby1 has been applied to extracts of potato tubers in order to study the effect of virus infection on their amino-acid content. Extracts of healthy and leaf roll tubers (Green Mountain variety) were prepared either according to the method of Dent et al.2 using 70 per cent alcohol, or by the addition of lead acetate to aqueous extracts until complete precipitation was attained.

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References

  1. 1

    Williams, R. J., and Kirby, H., Sci., 107, 481 (1948).

  2. 2

    Dent, C. E., Speka, W., and Steward, F. C., Nature, 160, 682 (1947).

  3. 3

    Hawk, Ph. B., Oser, B. L., and Summerson, W. H., “Practical Physiological Chemistry”, 12th edit., 155, 126, 131 Blakiston, Philadelphia, 1947).

  4. 4

    Best, R. J., Aust. J. Exp. Biol. Med. Sci., 26, 223 (1948).

  5. 5

    Andreae, W. A., Can. J. Research, C, 26, 31 (1948).

  6. 6

    Andreae, Shirley R., and Andreae, W. A., Can. J. Research, C, 27, 15 (1949).

  7. 7

    Doby, G., Z. Planzenkr., 21, 321 (1911).

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Affiliations

  1. Department of Biology, University of New Brunswick, Fredericton, N.B.

    • W. A. ANDREAE
    •  & KATHLEEN L. THOMPSON

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https://doi.org/10.1038/166072b0

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