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Plant Physiology 61:538-543 (1978) © 1978 American Society of Plant Biologists Biochemical Induction of Fruiting in SchizophyllumIsolation and Preliminary Purification of an Inducing Substance from Agaricus bisporus Mushrooms 1T. H. Morgan School of Biological Sciences, University of Kentucky, Lexington, Kentucky 40506, Departments of Botany and Bacteriology, University of Wisconsin, Madison, Wisconsin 53706
A diffusible substance was isolated from Agaricus bisporus mushrooms that induced haploid fruiting body formation in Schizophyllum commune. An efficient isolation procedure was developed. The fruiting-inducing substance was shown to be present in all stages of Agaricus mushroom development and there was no preferential accumulation of the activity in gill, cap, or stipe tissues. Some chemical and physical properties of the inducing factor are described.
2 To whom reprint requests should be sent. 1 This work was supported in part by the College of Agricultural and Life Science, University of Wisconsin-Madison, by the University of Wisconsin Graduate School, and by grants from the Research Corporation and The National Science Foundation (GB-8758).
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