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Int. J. Mol. Sci. 2013, 14(6), 11607-11625; doi:10.3390/ijms140611607

The Physiological Importance of Glucosinolates on Plant Response to Abiotic Stress in Brassica

1
Plant Nutrition Department, Centre of Edaphology and Applied Biology of Segura (CEBAS-CSIC), Campus of Espinardo, Building 25, Murcia E-30100, Spain
2
Phytochemistry Lab, Food Science and Technology Department, Centre of Edaphology and Applied Biology of Segura (CEBAS-CSIC), Campus of Espinardo, Building 25, Murcia E-30100, Spain
*
Author to whom correspondence should be addressed.
Received: 27 April 2013 / Revised: 14 May 2013 / Accepted: 20 May 2013 / Published: 30 May 2013
(This article belongs to the Special Issue Molecular Research in Plant Secondary Metabolism)
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Abstract

Glucosinolates, a class of secondary metabolites, mainly found in Brassicaceae, are affected by the changing environment. This review is focusing on the physiological significance of glucosinolates and their hydrolysis products in the plant response to different abiotic stresses. Special attention is paid to the crosstalk between some of the physiological processes involved in stress response and glucosinolate metabolism, with the resulting connection between both pathways in which signaling mechanisms glucosinolate may act as signals themselves. The function of glucosinolates, further than in defense switching, is discussed in terms of alleviating pathogen attack under abiotic stress. The fact that the exogenous addition of glucosinolate hydrolysis products may alleviate certain stress conditions through its effect on specific proteins is described in light of the recent reports, but the molecular mechanisms involved in this response merit further research. Finally, the transient allocation and re-distribution of glucosinolates as a response to environmental changes is summarized. View Full-Text
Keywords: abiotic stress; glucosinolates; isothiocyanates; plant tolerance; secondary metabolism abiotic stress; glucosinolates; isothiocyanates; plant tolerance; secondary metabolism
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del Carmen Martínez-Ballesta, M.; Moreno, D.A.; Carvajal, M. The Physiological Importance of Glucosinolates on Plant Response to Abiotic Stress in Brassica. Int. J. Mol. Sci. 2013, 14, 11607-11625.

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