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Natural variation in linalool metabolites: One genetic locus, many functions?


He, Jun; Halitschke, Rayko; Baldwin, Ian T; Schuman, Meredith Christine (2021). Natural variation in linalool metabolites: One genetic locus, many functions? Journal of integrative plant biology, 63(8):1416-1421.

Abstract

The ubiquitous volatile linalool is metabolized in plants to nonvolatile derivatives. We studied Nicotiana attenuata plants which naturally vary in (S)‐(+)‐linalool contents, and lines engineered to produce either (R)‐(‐)‐ or (S)‐(+)‐linalool. Only (S)‐(+)‐linalool production was associated with slower growth of a generalist herbivore, and a large fraction was present as nonvolatile derivatives. We found that variation in volatile linalool and its nonvolatile glycosides mapped to the same genetic locus which harbored the biosynthetic gene, NaLIS, but that free linalool varied more in environmental responses. This study reveals how (S)‐(+)‐linalool and conjugates differ in their regulation and possible functions in
resistance.

Abstract

The ubiquitous volatile linalool is metabolized in plants to nonvolatile derivatives. We studied Nicotiana attenuata plants which naturally vary in (S)‐(+)‐linalool contents, and lines engineered to produce either (R)‐(‐)‐ or (S)‐(+)‐linalool. Only (S)‐(+)‐linalool production was associated with slower growth of a generalist herbivore, and a large fraction was present as nonvolatile derivatives. We found that variation in volatile linalool and its nonvolatile glycosides mapped to the same genetic locus which harbored the biosynthetic gene, NaLIS, but that free linalool varied more in environmental responses. This study reveals how (S)‐(+)‐linalool and conjugates differ in their regulation and possible functions in
resistance.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Scopus Subject Areas:Life Sciences > Biochemistry
Life Sciences > General Biochemistry, Genetics and Molecular Biology
Life Sciences > Plant Science
Uncontrolled Keywords:Plant Science, General Biochemistry, Genetics and Molecular Biology, Biochemistry
Language:English
Date:1 August 2021
Deposited On:12 Jan 2022 15:53
Last Modified:26 Jun 2024 01:49
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:1672-9072
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1111/jipb.13104
Project Information:
  • : FunderEuropean Research Council
  • : Grant ID
  • : Project Title
  • : FunderDeutsche Forschungsgemeinschaft
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)