Studies on the fungal phytotoxin victorin: Structures of three novel amino acids from the acid hydrolyzate |
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| Authors: | J B Gloer J Meinwald J D Walton E D Earle |
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| Institution: | (1) Department of Chemistry and Plant Breeding and Biometry, Cornell University, 14853 Ithaca, New York, USA;(2) Present address: Department of Chemistry, University of Iowa, 52242 Iowa City, Iowa, USA;(3) Present address: ARCO Plant Cell Research Institute, 94568 Dublin, California, USA |
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| Abstract: | Summary The host-selective phytotoxin victorin, produced by the fungusCochliobolus victoriae, was found to be at least partially peptidic in nature, and did not contain victoxinine. The exact mass of the M-H ion was measured by FABMS as 795.1877. Derivatives of three major acid hydrolysis products were isolated. The structures of the corresponding amino acids were assigned as 2S,3R-3-hydroxyleucine, 5,5-dichloroleucine, and 3-hydroxylysine. A into victorin by the fungus in vivo. |
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| Keywords: | Cochliobolus victoriae Helminthosporium Bipolaris Avena |
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