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CONICET Digital
Article . 2010
License: CC BY NC SA
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Tolerance to stress in wheat

Authors: Castro, Ana Maria; Gimenez, Daniel; Tocho, Erica Fernanda; Tacaliti Terlera, María Silvia; Barragán, Mariana; Bottini, Ambrosio Rubén; Snape, John;

Tolerance to stress in wheat

Abstract

Achieving tolerance to stress is one of the main objectives of wheat breeding, and genes or chromosomal regions with positive effects on tolerance to biotic and abiotic stresses need to be identified. The interaction between defence signaling pathways mediated by several phythormones is an important mechanism for regulating defence responses against various types of pathogens and herbivories. The response of bread wheat, Triticum aestivum (2n=6x=42) to greenbug attack or to exogenous application of the stress-induced hormones ethylene (E), jasmonic acid (JA), salicylic acid (SA) or ABA was analysed. In recent years, several components regulating the cross-talk between SA, JA and ET pathways have been identified. Treatment of plants with these hormones results in enhanced resistance to biotic challenge. However, the underlying physiological mechanisms are not well understood. Some of the main wheat physiological pathways affected by the cross-talk between biotic stress and stress-induced hormones are described below.

Fil: Bottini, Ambrosio Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina

Fil: Tocho, Erica Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina

Fil: Castro, Ana Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina

Fil: Gimenez, Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina

Fil: Tacaliti Terlera, María Silvia. Universidad Nacional de La Plata; Argentina

Fil: Barragán, Mariana. Universidad Nacional de La Plata; Argentina

Fil: Snape, John. John Innes Centre; Reino Unido

Country
Argentina
Keywords

aphids, ABA, https://purl.org/becyt/ford/1.6, ethylene, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green