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Metabolites 2012, 2(3), 516-528; doi:10.3390/metabo2030516

Polyamines under Abiotic Stress: Metabolic Crossroads and Hormonal Crosstalks in Plants

, , ,  and *
Unit of Plant Physiology, Department of Natural Products and Plant Biology, Faculty of Pharmacy, University of Barcelona, Diagonal, 643, 08028 Barcelona, Spain
* Author to whom correspondence should be addressed.
Received: 22 June 2012 / Revised: 6 August 2012 / Accepted: 10 August 2012 / Published: 20 August 2012
(This article belongs to the Special Issue Feature Papers)
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Polyamines are essential compounds for cell survival and have key roles in plant stress protection. Current evidence points to the occurrence of intricate cross-talks between polyamines, stress hormones and other metabolic pathways required for their function. In this review we integrate the polyamine metabolic pathway in the context of its immediate metabolic network which is required to understand the multiple ways by which polyamines can maintain their homeostasis and participate in plant stress responses.
Keywords: polyamines; stress; metabolism; SAM; GABA; proline; ABA polyamines; stress; metabolism; SAM; GABA; proline; ABA
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bitrián, M.; Zarza, X.; Altabella, T.; Tiburcio, A.F.; Alcázar, R. Polyamines under Abiotic Stress: Metabolic Crossroads and Hormonal Crosstalks in Plants. Metabolites 2012, 2, 516-528.

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