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Corn Smut Dikaryon in Culture

Abstract

A TYPICAL smut life cycle has three phases—diploid, haploid, and dikaryon1. Diploid spores (teliospores) formed in the host tissue are a resting phase. They undergo meiosis at germination to form haploid vegetative cells which are usually yeast-like. The dikaryon is the pathogenic phase and is made up of cells with two haploid nuclei. It is initiated by the fusion of two compatible non-pathogenic haploid cells and the formation of an infection hypha by the fusion product.

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DAY, P., ANAGNOSTAKIS, S. Corn Smut Dikaryon in Culture. Nature New Biology 231, 19–20 (1971). https://doi.org/10.1038/newbio231019a0

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