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Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury. / Delory, Benjamin M.; Delaplace, Pierre; du Jardin, Patrick et al.
In: Plant Physiology and Biochemistry, Vol. 104, 01.07.2016, p. 134-145.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Delory, BM, Delaplace, P, du Jardin, P & Fauconnier, ML 2016, 'Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury', Plant Physiology and Biochemistry, vol. 104, pp. 134-145. https://doi.org/10.1016/j.plaphy.2016.03.028

APA

Delory, B. M., Delaplace, P., du Jardin, P., & Fauconnier, M. L. (2016). Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury. Plant Physiology and Biochemistry, 104, 134-145. https://doi.org/10.1016/j.plaphy.2016.03.028

Vancouver

Delory BM, Delaplace P, du Jardin P, Fauconnier ML. Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury. Plant Physiology and Biochemistry. 2016 Jul 1;104:134-145. doi: 10.1016/j.plaphy.2016.03.028

Bibtex

@article{a8a48886c0cd43158bba5750e0489bd6,
title = "Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury",
abstract = "In the context of chemical ecology, the analysis of the temporal production pattern of volatile organic compounds (VOCs) in root tissues and the emission rate measurement of root-emitted VOCs are of major importance for setting up experiments to study the implication of these compounds in biotic interactions. Such analyses, however, remain challenging because of the belowground location of plant root systems. In this context, this study describes the evolution of the root VOC production pattern of barley (Hordeum distichon L.) at five developmental stages from germination to the end of tillering and evaluates the emission of the identified VOCs in an artificial soil. VOCs produced by crushed root tissues and released by unexcavated root systems were analysed using dynamic sampling devices coupled to a gas chromatography-mass spectrometry methodology (synchronous SCAN/SIM). The results showed that, at each analysed developmental stage, crushed barley roots produced mainly four volatile aldehydes: hexanal; (E)-hex-2-enal; (E)-non-2-enal; and (E,Z)-nona-2,6-dienal. Higher total and individual VOC concentrations were measured in 3-day-old seminal roots compared with older phenological stages. For each developmental stage, the lipoxygenase (LOX) activity was greater for linoleic acid than α-linolenic acid and the greatest LOX activities using linoleic and α-linolenic acids as substrates were measured in 7- and 3-day-old roots, respectively. The analysis of VOCs released by barley roots into the soil showed that (E)-non-2-enal and (E,Z)-nona-2,6-dienal were the only VOCs emitted in quantifiable amounts by mechanically injured roots.",
keywords = "(E)-hex-2-enal, (E)-non-2-enal, (E,Z)-nona-2,6-dienal, Barley, Hexanal, Plant age, Root VOC profiling, Biology, Chemistry",
author = "Delory, {Benjamin M.} and Pierre Delaplace and {du Jardin}, Patrick and Fauconnier, {Marie Laure}",
year = "2016",
month = jul,
day = "1",
doi = "10.1016/j.plaphy.2016.03.028",
language = "English",
volume = "104",
pages = "134--145",
journal = "Plant Physiology and Biochemistry",
issn = "0981-9428",
publisher = "Elsevier Masson s.r.l.",

}

RIS

TY - JOUR

T1 - Barley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)-non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury

AU - Delory, Benjamin M.

AU - Delaplace, Pierre

AU - du Jardin, Patrick

AU - Fauconnier, Marie Laure

PY - 2016/7/1

Y1 - 2016/7/1

N2 - In the context of chemical ecology, the analysis of the temporal production pattern of volatile organic compounds (VOCs) in root tissues and the emission rate measurement of root-emitted VOCs are of major importance for setting up experiments to study the implication of these compounds in biotic interactions. Such analyses, however, remain challenging because of the belowground location of plant root systems. In this context, this study describes the evolution of the root VOC production pattern of barley (Hordeum distichon L.) at five developmental stages from germination to the end of tillering and evaluates the emission of the identified VOCs in an artificial soil. VOCs produced by crushed root tissues and released by unexcavated root systems were analysed using dynamic sampling devices coupled to a gas chromatography-mass spectrometry methodology (synchronous SCAN/SIM). The results showed that, at each analysed developmental stage, crushed barley roots produced mainly four volatile aldehydes: hexanal; (E)-hex-2-enal; (E)-non-2-enal; and (E,Z)-nona-2,6-dienal. Higher total and individual VOC concentrations were measured in 3-day-old seminal roots compared with older phenological stages. For each developmental stage, the lipoxygenase (LOX) activity was greater for linoleic acid than α-linolenic acid and the greatest LOX activities using linoleic and α-linolenic acids as substrates were measured in 7- and 3-day-old roots, respectively. The analysis of VOCs released by barley roots into the soil showed that (E)-non-2-enal and (E,Z)-nona-2,6-dienal were the only VOCs emitted in quantifiable amounts by mechanically injured roots.

AB - In the context of chemical ecology, the analysis of the temporal production pattern of volatile organic compounds (VOCs) in root tissues and the emission rate measurement of root-emitted VOCs are of major importance for setting up experiments to study the implication of these compounds in biotic interactions. Such analyses, however, remain challenging because of the belowground location of plant root systems. In this context, this study describes the evolution of the root VOC production pattern of barley (Hordeum distichon L.) at five developmental stages from germination to the end of tillering and evaluates the emission of the identified VOCs in an artificial soil. VOCs produced by crushed root tissues and released by unexcavated root systems were analysed using dynamic sampling devices coupled to a gas chromatography-mass spectrometry methodology (synchronous SCAN/SIM). The results showed that, at each analysed developmental stage, crushed barley roots produced mainly four volatile aldehydes: hexanal; (E)-hex-2-enal; (E)-non-2-enal; and (E,Z)-nona-2,6-dienal. Higher total and individual VOC concentrations were measured in 3-day-old seminal roots compared with older phenological stages. For each developmental stage, the lipoxygenase (LOX) activity was greater for linoleic acid than α-linolenic acid and the greatest LOX activities using linoleic and α-linolenic acids as substrates were measured in 7- and 3-day-old roots, respectively. The analysis of VOCs released by barley roots into the soil showed that (E)-non-2-enal and (E,Z)-nona-2,6-dienal were the only VOCs emitted in quantifiable amounts by mechanically injured roots.

KW - (E)-hex-2-enal

KW - (E)-non-2-enal

KW - (E,Z)-nona-2,6-dienal

KW - Barley

KW - Hexanal

KW - Plant age

KW - Root VOC profiling

KW - Biology

KW - Chemistry

UR - http://www.scopus.com/inward/record.url?scp=84961601656&partnerID=8YFLogxK

U2 - 10.1016/j.plaphy.2016.03.028

DO - 10.1016/j.plaphy.2016.03.028

M3 - Journal articles

C2 - 27031425

AN - SCOPUS:84961601656

VL - 104

SP - 134

EP - 145

JO - Plant Physiology and Biochemistry

JF - Plant Physiology and Biochemistry

SN - 0981-9428

ER -

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