Sulfate supply influences compartment specific glutathione metabolism and confers enhanced resistance to Tobacco mosaic virus during a hypersensitive response

Copyright © 2011 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 59(2012) vom: 04. Okt., Seite 44-54
1. Verfasser: Király, Lóránt (VerfasserIn)
Weitere Verfasser: Künstler, András, Höller, Kerstin, Fattinger, Maria, Juhász, Csilla, Müller, Maria, Gullner, Gábor, Zechmann, Bernd
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Antioxidants Plant Proteins RNA, Plant RNA, Viral Reactive Oxygen Species Sulfates pathogenesis-related proteins, plant Sulfur mehr... 70FD1KFU70 Glutathione GAN16C9B8O Cysteine K848JZ4886 Salicylic Acid O414PZ4LPZ
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100 1 |a Király, Lóránt  |e verfasserin  |4 aut 
245 1 0 |a Sulfate supply influences compartment specific glutathione metabolism and confers enhanced resistance to Tobacco mosaic virus during a hypersensitive response 
264 1 |c 2012 
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500 |a Date Revised 13.12.2023 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2011 Elsevier Masson SAS. All rights reserved. 
520 |a Sufficient sulfate supply has been linked to the development of sulfur induced resistance or sulfur enhanced defense (SIR/SED) in plants. In this study we investigated the effects of sulfate (S) supply on the response of genetically resistant tobacco (Nicotiana tabacum cv. Samsun NN) to Tobacco mosaic virus (TMV). Plants grown with sufficient sulfate (+S plants) developed significantly less necrotic lesions during a hypersensitive response (HR) when compared to plants grown without sulfate (-S plants). In +S plants reduced TMV accumulation was evident on the level of viral RNA. Enhanced virus resistance correlated with elevated levels of cysteine and glutathione and early induction of a Tau class glutathione S-transferase and a salicylic acid-binding catalase gene. These data indicate that the elevated antioxidant capacity of +S plants was able to reduce the effects of HR, leading to enhanced virus resistance. Expression of pathogenesis-related genes was also markedly up-regulated in +S plants after TMV-inoculation. On the subcellular level, comparison of TMV-inoculated +S and -S plants revealed that +S plants contained 55-132 % higher glutathione levels in mitochondria, chloroplasts, nuclei, peroxisomes and the cytosol than -S plants. Interestingly, mitochondria were the only organelles where TMV-inoculation resulted in a decrease of glutathione levels when compared to mock-inoculated plants. This was particularly obvious in -S plants, where the development of necrotic lesions was more pronounced. In summary, the overall higher antioxidative capacity and elevated activation of defense genes in +S plants indicate that sufficient sulfate supply enhances a preexisting plant defense reaction resulting in reduced symptom development and virus accumulation 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Antioxidants  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a RNA, Plant  |2 NLM 
650 7 |a RNA, Viral  |2 NLM 
650 7 |a Reactive Oxygen Species  |2 NLM 
650 7 |a Sulfates  |2 NLM 
650 7 |a pathogenesis-related proteins, plant  |2 NLM 
650 7 |a Sulfur  |2 NLM 
650 7 |a 70FD1KFU70  |2 NLM 
650 7 |a Glutathione  |2 NLM 
650 7 |a GAN16C9B8O  |2 NLM 
650 7 |a Cysteine  |2 NLM 
650 7 |a K848JZ4886  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
700 1 |a Künstler, András  |e verfasserin  |4 aut 
700 1 |a Höller, Kerstin  |e verfasserin  |4 aut 
700 1 |a Fattinger, Maria  |e verfasserin  |4 aut 
700 1 |a Juhász, Csilla  |e verfasserin  |4 aut 
700 1 |a Müller, Maria  |e verfasserin  |4 aut 
700 1 |a Gullner, Gábor  |e verfasserin  |4 aut 
700 1 |a Zechmann, Bernd  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 59(2012) vom: 04. Okt., Seite 44-54  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnns 
773 1 8 |g volume:59  |g year:2012  |g day:04  |g month:10  |g pages:44-54 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2011.10.020  |3 Volltext 
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