The Plant Toxin Victorin Binds to a Discrete Number of Proteins in All Organisms Tested

Author:

Loschke DC,Tomaska LD,Chen H,Gabriel DW,Rolfe BG

Abstract

We have used the plant toxin victorin C, which is synthesised by the saprophytic fungus Cochliobolus victoria, as a biological probe. Victorin C, labelled with either 125I or 35S, bound to eight distinct proteins (victorin-binding proteins) in oat plants that were either resistant or sensitive to the toxin. Using a series of in vitro experiments, we observed a difference in the victorin-binding properties between resistant and susceptible plants. Furthermore, we found that other plant species contain a set of proteins of similar sizes which specifically bind victorin. Unexpectedly, we also found a low molecular weight victorin-binding protein present in all tested eukaryotic and prokaryotic cells.

Publisher

CSIRO Publishing

Subject

Plant Science,Agronomy and Crop Science

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Toxins in Disease Symptom Development;Fungal Pathogenesis in Plants and Crops;2007-08-09

2. Fungal Phytotoxins;Agricultural Applications;2002

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