Aluminium long-term stress differently affects photosynthesis in rye genotypes

Copyright © 2012 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 54(2012) vom: 28. Mai, Seite 105-12
1. Verfasser: Silva, Sónia (VerfasserIn)
Weitere Verfasser: Pinto, Glória, Dias, Maria Celeste, Correia, Carlos Manuel, Moutinho-Pereira, José, Pinto-Carnide, Olinda, Santos, Conceição
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 Metals, Heavy Water 059QF0KO0R Chlorophyll 1406-65-1 Carbon Dioxide 142M471B3J Aluminum mehr... CPD4NFA903 Fructose-Bisphosphatase EC 3.1.3.11 Ribulose-Bisphosphate Carboxylase EC 4.1.1.39 Chlorophyll A YF5Q9EJC8Y
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100 1 |a Silva, Sónia  |e verfasserin  |4 aut 
245 1 0 |a Aluminium long-term stress differently affects photosynthesis in rye genotypes 
264 1 |c 2012 
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500 |a Citation Status MEDLINE 
520 |a Copyright © 2012 Elsevier Masson SAS. All rights reserved. 
520 |a The ability of crops to overcome Al toxicity varies among crop species and cultivars. Among the Triticeae genus, rye (Secale cereale) is considered the most Al-tolerant species. In the present work, two rye genotypes differing in Al tolerance ('Riodeva': Al-sensitive and 'Donkowsky Zlote': Al-tolerant) were exposed to 1.11 and 1.85 mM Al during three weeks. Growth, water status and photosynthesis related parameters were assessed. After three weeks of Al exposure, both genotypes presented similar decrease in leaf growth. Al-induced RWC decreased in both genotypes, but was more remarkable in 'Riodeva'. Al toxicity induced a decrease in net photosynthetic rate only after three weeks of exposure. In 'D. Zlote', A decrease was accompanied by stomatal closure, Chl a content and q(p) reduction, but no alterations in RuBisCo or sFBPase activity were observed. In 'Riodeva' plants exposed to 1.11 mM Al, A decrease was accompanied by C(i)/C(a) increase whereas in plants exposed to 1.85 mM Al C(i)/C(a) was not affected. Nevertheless, for both conditions RuBisCo activity decreased. A decrease did not limited glucose accumulation in neither of the rye genotypes. This study revealed that Al-induced earlier damages in the 'Riodeva' genotype, but both genotypes showed long-term high susceptibility to Al. Furthermore, the photosynthetic parameters proved to be a good tool to monitor Al-sensitivity and long-term exposure showed to be crucial to evaluate Al-sensitivity 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Metals, Heavy  |2 NLM 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a Chlorophyll  |2 NLM 
650 7 |a 1406-65-1  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
650 7 |a Aluminum  |2 NLM 
650 7 |a CPD4NFA903  |2 NLM 
650 7 |a Fructose-Bisphosphatase  |2 NLM 
650 7 |a EC 3.1.3.11  |2 NLM 
650 7 |a Ribulose-Bisphosphate Carboxylase  |2 NLM 
650 7 |a EC 4.1.1.39  |2 NLM 
650 7 |a Chlorophyll A  |2 NLM 
650 7 |a YF5Q9EJC8Y  |2 NLM 
700 1 |a Pinto, Glória  |e verfasserin  |4 aut 
700 1 |a Dias, Maria Celeste  |e verfasserin  |4 aut 
700 1 |a Correia, Carlos Manuel  |e verfasserin  |4 aut 
700 1 |a Moutinho-Pereira, José  |e verfasserin  |4 aut 
700 1 |a Pinto-Carnide, Olinda  |e verfasserin  |4 aut 
700 1 |a Santos, Conceição  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 54(2012) vom: 28. Mai, Seite 105-12  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnns 
773 1 8 |g volume:54  |g year:2012  |g day:28  |g month:05  |g pages:105-12 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2012.02.004  |3 Volltext 
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