Letter | Published:

X-Ray Interferences of Barium Sulphate in Fungi and Algae

Nature volume 180, pages 867868 (26 October 1957) | Download Citation



IN a paper on the constitution of cell walls of fungi, R. Frey1 concludes that several fungi and algae show in their cell contents or membranes an inorganic substance with an X-ray diagram corresponding to that of barium sulphate. Since, in our researches on. cell-walls of fungi2,3, X-ray interferences suggesting the presence of that substance were never observed, some further work was done in order to check Frey's statements.

Access optionsAccess options

Rent or Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.


  1. 1.

    , Ber. Schweiz. Botan. Ges., 60, 227 (1950).

  2. 2.

    , and , “Antonie van Leeuwenhoek”, 19 (1953).

  3. 3.

    , Biochim. Biophys. Acta, 13, 1 (1954).

  4. 4.

    , , and , U.S. Dept. Agric. Tech. Bull. 1013 (1950).

Download references

Author information


  1. Laboratory of General and Technical Biology, Technical University, Delft, Netherlands. May 23.

    • D. R. KREGER


  1. Search for D. R. KREGER in:

About this article

Publication history




Further reading


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.