Different forms of osmotic stress evoke qualitatively different responses in rice

Copyright © 2016 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 202(2016) vom: 01. Sept., Seite 45-56
1. Verfasser: Hazman, Mohamed (VerfasserIn)
Weitere Verfasser: Hause, Bettina, Eiche, Elisabeth, Riemann, Michael, Nick, Peter
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Alkalinity Jasmonates Osmotic stress Rice (Oryza sativa L.) Sodium Alkalies Carbon Isotopes Cyclopentanes Gases mehr... Oxylipins RNA, Messenger Mannitol 3OWL53L36A Sodium Chloride 451W47IQ8X jasmonic acid 6RI5N05OWW Abscisic Acid 72S9A8J5GW 9NEZ333N27 Hydrogen Peroxide BBX060AN9V Potassium RWP5GA015D
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100 1 |a Hazman, Mohamed  |e verfasserin  |4 aut 
245 1 0 |a Different forms of osmotic stress evoke qualitatively different responses in rice 
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520 |a Drought, salinity and alkalinity are distinct forms of osmotic stress with serious impacts on rice productivity. We investigated, for a salt-sensitive rice cultivar, the response to osmotically equivalent doses of these stresses. Drought, experimentally mimicked by mannitol (single factor: osmotic stress), salinity (two factors: osmotic stress and ion toxicity), and alkalinity (three factors: osmotic stress, ion toxicity, and depletion of nutrients and protons) produced different profiles of adaptive and damage responses, both locally (in the root) as well as systemically (in the shoot). The combination of several stress factors was not necessarily additive, and we even observed cases of mitigation, when two (salinity), or three stressors (alkalinity) were compared to the single stressor (drought). The response to combinations of individual stress factors is therefore not a mere addition of the partial stress responses, but rather represents a new quality of response. We interpret this finding in a model, where the output to signaling molecules is not determined by their abundance per se, but qualitatively depends on their adequate integration into an adaptive signaling network. This output generates a systemic signal that will determine the quality of the shoot response to local concentrations of ions 
650 4 |a Journal Article 
650 4 |a Alkalinity 
650 4 |a Jasmonates 
650 4 |a Osmotic stress 
650 4 |a Rice (Oryza sativa L.) 
650 4 |a Sodium 
650 7 |a Alkalies  |2 NLM 
650 7 |a Carbon Isotopes  |2 NLM 
650 7 |a Cyclopentanes  |2 NLM 
650 7 |a Gases  |2 NLM 
650 7 |a Oxylipins  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
650 7 |a Mannitol  |2 NLM 
650 7 |a 3OWL53L36A  |2 NLM 
650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
650 7 |a jasmonic acid  |2 NLM 
650 7 |a 6RI5N05OWW  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
650 7 |a Sodium  |2 NLM 
650 7 |a 9NEZ333N27  |2 NLM 
650 7 |a Hydrogen Peroxide  |2 NLM 
650 7 |a BBX060AN9V  |2 NLM 
650 7 |a Potassium  |2 NLM 
650 7 |a RWP5GA015D  |2 NLM 
700 1 |a Hause, Bettina  |e verfasserin  |4 aut 
700 1 |a Eiche, Elisabeth  |e verfasserin  |4 aut 
700 1 |a Riemann, Michael  |e verfasserin  |4 aut 
700 1 |a Nick, Peter  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1016/j.jplph.2016.05.027  |3 Volltext 
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