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dc.contributor.authorPiva, Luani Rde Oliveira-
dc.contributor.authorJardine, Kolby J.-
dc.contributor.authorGimenez, Bruno Oliva-
dc.contributor.authorOliveira Perdiz, Ricardo de-
dc.contributor.authorMenezes, Valdiek S.-
dc.contributor.authorDurgante, Flávia Machado-
dc.contributor.authorCobello, Leticia Oliveira-
dc.contributor.authorHiguchi, Niro-
dc.contributor.authorChambers, Jeffrey Quintin-
dc.date.accessioned2020-02-11T20:13:05Z-
dc.date.available2020-02-11T20:13:05Z-
dc.date.issued2019-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/11027-
dc.language.isoenpt_BR
dc.relation.ispartofVolume 160, Pags. 61-70pt_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectChemotaxonomyen
dc.subjectHyperdominant genusen
dc.subjectIsoprenoidsen
dc.subjectProtium spp. (burseraceae)en
dc.subjectResinsen
dc.subjectTropical tree identificationen
dc.subjectVolatile Organic Compoundsen
dc.titleVolatile monoterpene ‘fingerprints’ of resinous Protium tree species in the Amazon rainforesten
dc.typeArtigopt_BR
dc.identifier.doi10.1016/j.phytochem.2019.01.014-
dc.publisher.journalPhytochemistrypt_BR
dc.description.resumoVolatile terpenoid resins represent a diverse group of plant defense chemicals involved in defense against herbivory, abiotic stress, and communication. However, their composition in tropical forests remains poorly characterized. As a part of tree identification, the ‘smell’ of damaged trunks is widely used, but is highly subjective. Here, we analyzed trunk volatile monoterpene emissions from 15 species of the genus Protium in the central Amazon. By normalizing the abundances of 28 monoterpenes, 9 monoterpene ‘fingerprint’ patterns emerged, characterized by a distinct dominant monoterpene. While 4 of the ‘fingerprint’ patterns were composed of multiple species, 5 were composed of a single species. Moreover, among individuals of the same species, 6 species had a single ‘fingerprint’ pattern, while 9 species had two or more ‘fingerprint’ patterns among individuals. A comparison of ‘fingerprints’ between 2015 and 2017 from 15 individuals generally showed excellent agreement, demonstrating a strong dependence on species identity, but not time of collection. The results are consistent with a previous study that found multiple divergent copies of monoterpene synthase enzymes in Protium. We conclude that the monoterpene ‘fingerprint’ database has important implications for constraining Protium species identification and phylogenetic relationships and enhancing understanding of physiological and ecological functions of resins and their potential commercial applications. © 2019 The Authorspt_BR
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