Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/68604
Type: Artigo de periódico
Title: Harvestman Phenols and Benzoquinones: Characterisation and Biosynthetic Pathway
Author: Rocha, DFO
Wouters, FC
Zampieri, DS
Brocksom, TJ
Machado, G
Marsaioli, AJ
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 activity against bacteria and fungi. We also studied the biosynthesis of 2-ethyl-1,4-benzoquinone by feeding Magnispina neptunus individuals with C-13-labelled precursors; the benzoquinones were biosynthesised through a polyketide pathway using acetate and propionate building blocks.
Subject: chemical defence
NMR spectroscopy
arthropod biosynthesis
labelled recursors
evolution
chemotaxonomy
Opiliones
Country: Suíça
Editor: Mdpi Ag
Rights: aberto
Identifier DOI: 10.3390/molecules180911429
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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