Heme oxygenase is involved in the protection exerted by jasmonic acid against cadmium stress in soybean roots
The present study was undertaken to test the influence of exogenously applied jasmonic acid [JA] upon the oxidative stress exerted by Cd in soybean plants. It was found that depending on its concentration, JA can improve plant antioxidant responses against Cd. Pretreatment with 20 uM JA effectively...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2012Noriega2.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 024 | |a 10.1007/s00344-011-9221-0 | ||
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| 245 | 0 | 0 | |a Heme oxygenase is involved in the protection exerted by jasmonic acid against cadmium stress in soybean roots |
| 520 | |a The present study was undertaken to test the influence of exogenously applied jasmonic acid [JA] upon the oxidative stress exerted by Cd in soybean plants. It was found that depending on its concentration, JA can improve plant antioxidant responses against Cd. Pretreatment with 20 uM JA effectively ameliorated Cd-induced oxidative stress as indicated by the decrease in thiobarbituric reactive substance [TBARS] levels, enhancement of glutathione [GSH] content, and diminution of H 2O 2 and O 2 - formation. On one hand, the activities of classic antioxidant enzymes such as catalase [CAT] and superoxide dismutase [SOD] were also augmented by JA treatment. This behavior was not observed in plants treated with Cd alone. On the other hand, 20 uM JA caused the enhancement of heme oxygenase [HO] activity [71 percent with respect to controls] and the amount of protein [60 percent with respect to controls]. However, no gene induction was observed. Pretreatment with 20 uM JA before the addition of Cd provoked the highest values of HO activity and protein expression [138 and 122 percent, respectively]. Once again, these enhancements were not correlated with transcript levels. Plants pretreated with Zn-protoporphyrin IX [ZnPPIX], a well-known irreversible HO-1 inhibitor, could not cope with the oxidative damage caused by Cd. This indicates that HO-1 is involved in the protection exerted by JA against the oxidative stress due to Cd treatment. | ||
| 653 | 0 | |a ANTIOXIDANT ENZYMES | |
| 653 | 0 | |a CADMIUM | |
| 653 | 0 | |a HEME OXYGENASE-1 | |
| 653 | 0 | |a JASMONIC ACID | |
| 653 | 0 | |a SOYBEAN PLANTS | |
| 653 | 0 | |a GLYCINE MAX | |
| 700 | 1 | |a Noriega, Guillermo O. |9 48334 | |
| 700 | 1 | |9 48329 |a Santa Cruz, Diego Mario | |
| 700 | 1 | |a Batlle, Alcira |9 48335 | |
| 700 | 1 | |a Tomaro, María L. |9 48332 | |
| 700 | 1 | |a Balestrasse, Karina Beatriz |9 37343 | |
| 773 | |t Journal of Plant Growth Regulation |g Vol.31, no.1 (2012), p.79-89 | ||
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| 900 | |a ^tHeme Oxygenase is Involved in the Protection Exerted by Jasmonic Acid Against Cadmium Stress in Soybean Roots | ||
| 900 | |a ^aNoriega^bG. | ||
| 900 | |a ^aSanta Cruz^bD. M. | ||
| 900 | |a ^aBatlle^bA. | ||
| 900 | |a ^aTomaro^bM. | ||
| 900 | |a ^aBalestrasse^bK. | ||
| 900 | |a ^aNoriega^bG. O. | ||
| 900 | |a ^aSanta Cruz^bD. M. | ||
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| 900 | |a ^aTomaro^bM. L. | ||
| 900 | |a ^aBalestrasse^bK. B. | ||
| 900 | |a ^aNoriega^bG.^tCentro de Investigaciones sobre Porfirinas y Porfirias [CIPYP], CONICET, Buenos Aires, Argentina | ||
| 900 | |a ^aCruz^bD.S.^tDepartamento de QuÃmica Biológica, Facultad de Farmacia y BioquÃmica, Universidad de Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^aBatlle^bA.^tInstituto de Investigaciones en Biociencias AgrÃcolas y Ambientales [INBA-CONICET], Buenos Aires, Argentina | ||
| 900 | |a ^aTomaro^bM.^tFacultad de Farmacia y BioquÃmica, Universidad de Buenos Aires, JunÃn 956, 1113 Buenos Aires, Argentina | ||
| 900 | |a ^aBalestrasse^bK. | ||
| 900 | |a ^tJournal of Plant Growth Regulation^cJ. Plant Growth Regul. | ||
| 900 | |a en | ||
| 900 | |a 79 | ||
| 900 | |a ^i | ||
| 900 | |a Vol. 31, no. 1 | ||
| 900 | |a 89 | ||
| 900 | |a ANTIOXIDANT ENZYMES | ||
| 900 | |a CADMIUM | ||
| 900 | |a HEME OXYGENASE-1 | ||
| 900 | |a JASMONIC ACID | ||
| 900 | |a SOYBEAN PLANTS | ||
| 900 | |a GLYCINE MAX | ||
| 900 | |a The present study was undertaken to test the influence of exogenously applied jasmonic acid [JA] upon the oxidative stress exerted by Cd in soybean plants. It was found that depending on its concentration, JA can improve plant antioxidant responses against Cd. Pretreatment with 20 uM JA effectively ameliorated Cd-induced oxidative stress as indicated by the decrease in thiobarbituric reactive substance [TBARS] levels, enhancement of glutathione [GSH] content, and diminution of H 2O 2 and O 2 - formation. On one hand, the activities of classic antioxidant enzymes such as catalase [CAT] and superoxide dismutase [SOD] were also augmented by JA treatment. This behavior was not observed in plants treated with Cd alone. On the other hand, 20 uM JA caused the enhancement of heme oxygenase [HO] activity [71 percent with respect to controls] and the amount of protein [60 percent with respect to controls]. However, no gene induction was observed. Pretreatment with 20 uM JA before the addition of Cd provoked the highest values of HO activity and protein expression [138 and 122 percent, respectively]. Once again, these enhancements were not correlated with transcript levels. Plants pretreated with Zn-protoporphyrin IX [ZnPPIX], a well-known irreversible HO-1 inhibitor, could not cope with the oxidative damage caused by Cd. This indicates that HO-1 is involved in the protection exerted by JA against the oxidative stress due to Cd treatment. | ||
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