{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:14:12Z","timestamp":1791288852236,"version":"4.3.0"},"reference-count":15,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,6,17]],"date-time":"2014-06-17T00:00:00Z","timestamp":1402963200000},"content-version":"vor","delay-in-days":16,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry &amp; Biodiversity"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In general, the chemodiversity of phytoalexins, elicited metabolites involved in plant defense mechanisms against microbial pathogens, correlates with the biodiversity of their sources. In this work, the phytoalexins produced by four wild cruciferous species (<jats:italic>Brassica tournefortii, Crambe abyssinica<\/jats:italic> (crambe), <jats:italic>Diplotaxis tenuifolia<\/jats:italic> (sand rocket), and <jats:italic>Diplotaxis tenuisiliqua<\/jats:italic> (wall rocket)) were identified and quantified by HPLC with photodioarray and electrospray mass detectors. In addition, the production of indole glucosinolates, biosynthetic precursors of cruciferous phytoalexins, was evaluated. Tenualexin, (=2\u2010(1,4\u2010dimethoxy\u20101<jats:italic>H<\/jats:italic>\u2010indol\u20103\u2010yl)acetonitrile), the first cruciferous phytoalexin containing two MeO substituents in the indole ring, was isolated from <jats:italic>D. tenuisiliqua<\/jats:italic>, synthesized, and evaluated for antifungal activity. The phytoalexins cyclobrassinin and spirobrassinin were detected in <jats:italic>B. tournefortii<\/jats:italic> and <jats:italic>C. abyssinica<\/jats:italic>, whereas rutalexin and 4\u2010methoxybrassinin were only found in <jats:italic>B. tournefortii. D. tenuifolia<\/jats:italic>, and <jats:italic>D. tenuisiliqua<\/jats:italic> produced 2\u2010(1<jats:italic>H<\/jats:italic>\u2010indol\u20103\u2010yl)acetonitriles as phytoalexins. Because tenualexin appears to be one of the broad\u2010range antifungals occurring in crucifers, it is suggested that <jats:italic>D. tenuisiliqua<\/jats:italic> may have disease resistance traits important to be incorporated in commercial breeding programs.<\/jats:p>","DOI":"10.1002\/cbdv.201300260","type":"journal-article","created":{"date-parts":[[2014,12,9]],"date-time":"2014-12-09T09:50:20Z","timestamp":1418118620000},"page":"910-918","source":"Crossref","is-referenced-by-count":14,"title":["Tenualexin, Other Phytoalexins and Indole Glucosinolates from Wild Cruciferous Species"],"prefix":"10.1002","volume":"11","author":[{"given":"M. Soledade C.","family":"Pedras","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Estifanos E.","family":"Yaya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,6,17]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"crossref","unstructured":"S. I.Warwick \u2018Genetics and Genomics of the Brassicaceae Plant Genetics and Genomics: Crops and Models 9\u2019 Eds. R. Schmidt I. Bancroft 2011 Vol.\u20059 pp.\u200533\u201365.","DOI":"10.1007\/978-1-4419-7118-0_2"},{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1039\/c1np00020a"},{"key":"e_1_2_1_3_2","doi-asserted-by":"crossref","unstructured":"A.Protap S. K.Gupta \u2018Biology and Breeding of Crucifers\u2019 Ed. S.\u2005K. Gupta CRC Press 2009 pp.\u200537\u201367.","DOI":"10.1201\/9781420086096.ch3"},{"key":"e_1_2_1_4_2","unstructured":"M.\u2005G. Sarwar M.Sc. 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