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. 1977 May;59(5):792-4.
doi: 10.1104/pp.59.5.792.

Evaluation of a Chemical Method for Assay of Helminthosporium maydis Race T Toxin

O C Yoder  1 , V E Gracen
Affiliations

Evaluation of a Chemical Method for Assay of Helminthosporium maydis Race T Toxin

O C Yoder et al. Plant Physiol. 1977 May.

Abstract

A chemical test reported by Karr et al. (Plant Physiol. 55:727) to assay for host-specific toxin produced by Helminthosporium maydis race T was evaluated. Preparations from culture filtrates of both race T isolates, containing host-specific toxin, and similar preparations from race O isolates, containing no detectable host-specific toxin, gave positive reactions in the chemical assay. Also, preparations containing active or inactive toxin gave equal responses in this test. The procedure does not provide a reliable method for assaying H. maydis race T toxin.

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References

    1. Plant Physiol. 1974 Feb;53(2):250-7 - PubMed
    1. Plant Physiol. 1975 Apr;55(4):727-30 - PubMed
    1. Plant Physiol. 1975 Jul;56(1):1-7 - PubMed
    1. Biochim Biophys Acta. 1967 May 2;135(2):362-4 - PubMed

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