Emissions of putative isoprene oxidation products from mango branches under abiotic stress

Kolby J. Jardine, Kimberly Meyers, Leif M Abrell, Eliane G. Alves, Ana Maria Yanez Serrano, Jürgen Kesselmeier, Thomas Karl, Alex Guenther, Claudia Vickers, Jeffrey Q. Chambers

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Although several per cent of net carbon assimilation can be re-released as isoprene emissions to the atmosphere by many tropical plants, much uncertainty remains regarding its biological significance. In a previous study, we detected emissions of isoprene and its oxidation products methyl vinyl ketone (MVK) and methacrolein (MACR) from tropical plants under high temperature/light stress, suggesting that isoprene is oxidized not only in the atmosphere but also within plants. However, a comprehensive analysis of the suite of isoprene oxidation products in plants has not been performed and production relationships with environmental stress have not been described. In this study, putative isoprene oxidation products from mango (Mangifera indica) branches under abiotic stress were first identified. High temperature/light and freeze-thaw treatments verified direct emissions of the isoprene oxidation products MVK and MACR together with the first observations of 3-methyl furan (3-MF) and 2-methyl-3-buten-2-ol (MBO) as putative novel isoprene oxidation products. Mechanical wounding also stimulated emissions of MVK and MACR. Photosynthesis under 13CO2 resulted in rapid (<30min) labelling of up to five carbon atoms of isoprene, with a similar labelling pattern observed in the putative oxidation products. These observations highlight the need to investigate further the mechanisms of isoprene oxidation within plants under stress and its biological and atmospheric significance.

Original languageEnglish (US)
Pages (from-to)3697-3709
Number of pages13
JournalJournal of Experimental Botany
Volume64
Issue number12
DOIs
StatePublished - Sep 2013

Fingerprint

Mangifera
mangoes
abiotic stress
oxidation
ketones
Atmosphere
Carbon
isoprene
Light
Temperature
plant products
furans
Mangifera indica
Photosynthesis
Uncertainty
temperature
uncertainty
photosynthesis

Keywords

  • 2-Methyl-3-buten-2-ol
  • 3-methyl furan
  • methacrolein
  • methyl vinyl ketone
  • reactive oxygen species
  • volatile organic compounds

ASJC Scopus subject areas

  • Plant Science
  • Physiology

Cite this

Jardine, K. J., Meyers, K., Abrell, L. M., Alves, E. G., Yanez Serrano, A. M., Kesselmeier, J., ... Chambers, J. Q. (2013). Emissions of putative isoprene oxidation products from mango branches under abiotic stress. Journal of Experimental Botany, 64(12), 3697-3709. https://doi.org/10.1093/jxb/ert202

Emissions of putative isoprene oxidation products from mango branches under abiotic stress. / Jardine, Kolby J.; Meyers, Kimberly; Abrell, Leif M; Alves, Eliane G.; Yanez Serrano, Ana Maria; Kesselmeier, Jürgen; Karl, Thomas; Guenther, Alex; Vickers, Claudia; Chambers, Jeffrey Q.

In: Journal of Experimental Botany, Vol. 64, No. 12, 09.2013, p. 3697-3709.

Research output: Contribution to journalArticle

Jardine, KJ, Meyers, K, Abrell, LM, Alves, EG, Yanez Serrano, AM, Kesselmeier, J, Karl, T, Guenther, A, Vickers, C & Chambers, JQ 2013, 'Emissions of putative isoprene oxidation products from mango branches under abiotic stress', Journal of Experimental Botany, vol. 64, no. 12, pp. 3697-3709. https://doi.org/10.1093/jxb/ert202
Jardine, Kolby J. ; Meyers, Kimberly ; Abrell, Leif M ; Alves, Eliane G. ; Yanez Serrano, Ana Maria ; Kesselmeier, Jürgen ; Karl, Thomas ; Guenther, Alex ; Vickers, Claudia ; Chambers, Jeffrey Q. / Emissions of putative isoprene oxidation products from mango branches under abiotic stress. In: Journal of Experimental Botany. 2013 ; Vol. 64, No. 12. pp. 3697-3709.
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