From climate change to molecular response : redox proteomics of ozone-induced responses in soybean

© 2012 The Authors. New Phytologist © 2012 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1990. - 194(2012), 1 vom: 24. Apr., Seite 220-229
1. Verfasser: Galant, Ashley (VerfasserIn)
Weitere Verfasser: Koester, Robert P, Ainsworth, Elizabeth A, Hicks, Leslie M, Jez, Joseph M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Plant Proteins Proteome Ozone 66H7ZZK23N Ribulose-Bisphosphate Carboxylase EC 4.1.1.39
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245 1 0 |a From climate change to molecular response  |b redox proteomics of ozone-induced responses in soybean 
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520 |a © 2012 The Authors. New Phytologist © 2012 New Phytologist Trust. 
520 |a • Ozone (O₃) causes significant agricultural losses, with soybean (Glycine max) being highly sensitive to this oxidant. Here we assess the effect of elevated seasonal O₃ exposure on the total and redox proteomes of soybean. • To understand the molecular responses to O₃ exposure, soybean grown at the Soybean Free Air Concentration Enrichment facility under ambient (37 ppb), moderate (58 ppb), and high (116 ppb) O₃ concentrations was examined by redox-sensitive thiol labeling, mass spectrometry, and targeted enzyme assays. • Proteomic analysis of soybean leaf tissue exposed to high O₃ concentrations reveals widespread changes. In the high-O₃ treatment leaf, 35 proteins increased up to fivefold in abundance, 22 proteins showed up to fivefold higher oxidation, and 22 proteins increased in both abundance and oxidation. These changes occurred in carbon metabolism, photosynthesis, amino acid synthesis, flavonoid and isoprenoid biosynthesis, signaling and homeostasis, and antioxidant pathways. • This study shows that seasonal O₃ exposure in soybean alters the abundance and oxidation state of redox-sensitive multiple proteins and that these changes reflect a combination of damage effects and adaptive responses that influence a wide range of metabolic processes, which in some cases may help mitigate oxidative stress 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Koester, Robert P  |e verfasserin  |4 aut 
700 1 |a Ainsworth, Elizabeth A  |e verfasserin  |4 aut 
700 1 |a Hicks, Leslie M  |e verfasserin  |4 aut 
700 1 |a Jez, Joseph M  |e verfasserin  |4 aut 
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