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Authors = Dávila S. Zampieri

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23 pages, 1006 KiB  
Article
Harvestman Phenols and Benzoquinones: Characterisation and Biosynthetic Pathway
by Daniele F. O. Rocha, Felipe C. Wouters, Dávila S. Zampieri, Timothy J. Brocksom, Glauco Machado and Anita J. Marsaioli
Molecules 2013, 18(9), 11429-11451; https://doi.org/10.3390/molecules180911429 - 16 Sep 2013
Cited by 29 | Viewed by 7760
Abstract
Benzoquinones are usually present in arthropod defence exudates. Here, we describe the chemical profiles of 12 harvestman species belonging to the neotropical family Gonyleptidae. Nine of the studied species produced benzoquinones, while three produced alkyl phenols. Two benzoquinones and one phenol exhibited biological [...] Read more.
Benzoquinones are usually present in arthropod defence exudates. Here, we describe the chemical profiles of 12 harvestman species belonging to the neotropical family Gonyleptidae. Nine of the studied species produced benzoquinones, while three produced alkyl phenols. Two benzoquinones and one phenol exhibited biological activity against bacteria and fungi. We also studied the biosynthesis of 2-ethyl-1,4-benzoquinone by feeding Magnispina neptunus individuals with 13C-labelled precursors; the benzoquinones were biosynthesised through a polyketide pathway using acetate and propionate building blocks. Full article
(This article belongs to the Section Natural Products Chemistry)
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