Letter | Published:

Incorporation of Acetate into Protein by Obligately Parasitic and Saprophytic Fungi

Naturevolume 187pages10401041 (1960) | Download Citation

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Abstract

THE germ tubes of obligate parasites such as the rust fungi and powdery mildews fail to grow in the absence of host plants. This may be caused by metabolic blocks, the general location of which should be revealed by studies on the distribution of radioactive tracer among the various broad classes of metabolites. To determine if this would be a feasible approach to the problem of obligate parasitism, the assimilation of radiocarbon by uredospores of a rust fungus (Uromyces phaseoli (Pers.) Wint.) and conidia of a saprophyte (Aspergillus niger van Tiegh) was studied to see if any important differences in metabolism occurred between them. The preliminary experiments reported here were made with non-germinated spores, so the metabolism studied was essentially catabolic in character.

References

  1. 1

    Staples, R. C., and Weinstein, L. H., Contrib. Boyce Thompson Inst., 20, 71 (1959).

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  1. Boyce Thompson Institute, Yonkers, New York

    • RICHARD C. STAPLES
    •  & H. P. BURCHFIELD

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https://doi.org/10.1038/1871040b0

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