Letter | Published:

Influence of Localized Ultra-violet Irradiation on the Incorporation of Adenine-8-14C and D,L-Methionine-35S in Acetabularia mediterranea

Naturevolume 187pages954955 (1960) | Download Citation

Subjects

Abstract

WE have shown recently1,2 that methionine labelled with sulphur-35 is incorporated in a decreasing apico-basal gradient in the unicellular alga Acetabularia mediterranea. The existence of this gradient suggested a possible relationship between methionine incorporation, ribonucleic acid metabolism and the production of morphogenetic substances in this alga. We have now examined the effects of localized ultra-violet irradiation, delivered to algal stem tips or rhizoids, on morphogenesis and adenine and methionine incorporation, in order further to evaluate the reality of this relationship and its implications.

Access optionsAccess options

Rent or Buy article

Get time limited or full article access on ReadCube.

from$8.99

All prices are NET prices.

References

  1. 1

    Olszewska, M. J., and Brachet, J., Arch. Internat. Biochem. (in the press).

  2. 2

    Olszewska, M. J., and Brachet, J., Exp. Cell Res. (in the press).

  3. 3

    Errera, M., and Vanderhaeghe, F., Exp. Cell Res., 13, 1 (1957).

  4. 4

    Ficq, A., Arch. Biol., 66, 506 (1955).

  5. 5

    Stich, H., and Plaut, W., J. Biophys. Biochem. Cytol., 4, 119 (1958).

  6. 6

    Brachet, J., Exp. Cell Res., Supp. 6, 78 (1959).

Download references

Author information

Author notes

    • M. J. OLSZEWSKA

    Present address: Laboratory of Plant Anatomy and Cytology, University of Łódz, Łódz, Poland

  1. M. J. OLSZEWSKA: Fellow of the Rockefeller Foundation

Affiliations

  1. Laboratoire de Morphologie animale, Université libre de Bruxelles

    • J. BRACHET
    •  & M. J. OLSZEWSKA

Authors

  1. Search for J. BRACHET in:

  2. Search for M. J. OLSZEWSKA in:

About this article

Publication history

Issue Date

DOI

https://doi.org/10.1038/187954a0

Comments

By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.