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Volatile monoterpene 'fingerprints' of resinous Protium tree species in the Amazon rainforest.

Authors
  • Piva, Luani R de O1
  • Jardine, Kolby J2
  • Gimenez, Bruno O3
  • de Oliveira Perdiz, Ricardo4
  • Menezes, Valdiek S5
  • Durgante, Flávia M6
  • Cobello, Leticia O7
  • Higuchi, Niro8
  • Chambers, Jeffrey Q9
  • 1 Department of Forest Sciences, Federal University of Paraná, Curitiba, PR, Brazil. Electronic address: [email protected] , (Brazil)
  • 2 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil; Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA. Electronic address: [email protected] , (Brazil)
  • 3 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 4 Department of Botany, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 5 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 6 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 7 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 8 Department of Forest Management, National Institute for Amazon Research, Manaus, AM, Brazil. Electronic address: [email protected] , (Brazil)
  • 9 Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA; Department of Geography, University of California Berkeley, Berkeley, CA, USA. Electronic address: [email protected]
Type
Published Article
Journal
Phytochemistry
Publication Date
Apr 01, 2019
Volume
160
Pages
61–70
Identifiers
DOI: 10.1016/j.phytochem.2019.01.014
PMID: 30711572
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Volatile 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. Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.

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