Acrolein Induces Differentiation of Infection Structures in the Wheat Stem Rust Fungus

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Science  27 Jan 1978:
Vol. 199, Issue 4327, pp. 442-443
DOI: 10.1126/science.199.4327.442


A chemical factor from wheat stem rust uredospores that induces infection structure formation has been identified as acrolein (2-propenal). This compound is the active component of distillates from uredospore extracts previously shown to induce infection structure formation.