Xanosporic acid,an intermediate in bacterial degradation of the fungal phototoxin cercosporin |
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| Authors: | Mitchell Thomas K Alejos-Gonzalez Fatima Gracz Hanna S Danehower David A Daub Margaret E Chilton William Scott |
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| Institution: | Department of Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA. |
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| Abstract: | The red fungal perylenequinone phototoxin cercosporin is oxidized by Xanthomonas campestris pv zinniae to a non-toxic, unstable green metabolite xanosporic acid, identified via its lactone as 1,12-bis(2'R-hydroxypropyl)-4,9-dihydroxy-6,7-methylenedioxy-11-methoxy-3-oxaperylen-10H-10-one-2-carboxylic acid. Xanosporolactone was isolated in approximately 2:1 ratio of M:P atropisomers. |
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| Keywords: | Xanthomonas campestris pv zinniae Bacterial detoxification Perylenequinone Phototoxin Xanosporolactone Xanosporic acid |
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