Biochemistry


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0 Q&A 7540 Views Apr 5, 2017
This procedure is used for large-scale purification of N-coronafacoyl phytotoxins that are produced by the potato common scab pathogen Streptomyces scabies. The procedure employs organic extraction of S. scabies culture supernatants under alternating basic and acidic conditions in order to preferentially isolate the phytotoxin - containing carboxylic acid fraction of the supernatant. Preparative thin layer chromatography and semi-preparative reverse phase - high performance liquid chromatography are then used to further purify the individual N-coronafacoyl phytotoxins of interest.



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