Cited by 153Insect-Plant Interactions and ControlPlant biochemistry and biosynthesisPlant-Microbe Interactions and Immunity

Using ‘mute’ plants to translate volatile signals

Paschold, Anja, Halitschke, Rayko, Baldwin, Ian T.·2006·The Plant Journal

Abstract

When attacked by herbivores, plants release volatile organic compounds (VOCs) that attract natural enemies of the herbivores and function as indirect defenses. Whether or not neighboring plants 'eavesdrop' on these VOCs remains controversial because most studies use unrealistic experimental conditions and VOC exposures. In order to manipulate exposures of wild-type (WT) Nicotiana attenuata'receiver' plants, we elicited transformed 'emitter' plants, whose production of herbivore-induced C6 green leaf volatiles (GLVs) or terpenoid volatiles was genetically silenced, and placed them up-wind of WT 'receiver' plants in open-flow experimental chambers. We compared the transcriptional and secondary metabolite defense responses of WT receiver plants exposed to VOCs from these transgenic emitter plants with those of plants exposed to VOCs from WT emitter plants. No differences in the constitutive accumulation of defense metabolites and the signal molecule jasmonic acid (JA) were found. Additional elicitation of receiver plants revealed that exposure to WT, GLV-deficient and terpenoid-deficient volatile blends did not prime induced defenses, JA accumulation, or the expression of lipoxygenase 3 (NaLOX3), a gene involved in JA biosynthesis. However, exposure to wound- and herbivore-induced VOCs significantly altered the transcriptional patterns in receiver plants. We identified GLV-dependent genes by complementing the GLV-deficient volatile blend with a mixture of synthetic GLVs. Blends…

Integrity signals

Registry

Crossref · 10.1111/j.1365-313x.2005.02623.x

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86 of 86 references verified0 citation errors · 0 not checkable

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  • LOX2-silenced N. attenuata plants deficient in green-leaf volatiles cause stronger expression of defense-related genes in neighbors than wild-type plants, suggesting volatiles can also suppress defenses.

    “Further support for the potential regulatory role of defense volatiles comes from LOX2-silenced Nicotiana attenuata plants, which are deficient in the production of herbivory-induced, greenleaf volatiles.In contrast with the other systems where volatiles induce defense, the LOX2 mutation leads to stronger expression of defense-related genes in neighbors than wild-type plants, suggesting that volat”

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Authors
Paschold, A., Halitschke, R., & Baldwin, I. T.
Affiliations
Max Planck Society (DE)
Corresponding author
Baldwin, Ian T.
Venue
The Plant Journal
Publisher
Wiley
Published
2005-12-16
Volume
45
Issue
2
Pages
275-291
ISSN
  • 0960-7412 (ISSN-L)
  • 1365-313X
OpenAlex
W2056536924
Cited by
151
References
86
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 3 · 2021: 9 · 2020: 8 · 2019: 9 · 2018: 7 · 2017: 8 · 2016: 11 · 2015: 4 · 2014: 7 · 2013: 8 · 2012: 9
FWCI
13.74
Type
journal article
Language
en
Open access
closed
Locations
  • The Plant Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Max-Planck-Gesellschaft
Topics
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect-Plant Interactions and Control
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
Keywords
plant volatiles, indirect plant defense, herbivore-induced plant volatiles, green leaf volatiles, Nicotiana attenuata, jasmonic acid, LOX3, defense gene expression, plant fitness
MeSH terms
Organic Chemicals, Nicotiana, Transcription, Genetic, Volatilization, Signal Transduction

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