The role of salicylic acid in the prevention of oxidative stress elicited by cadmium in soybean plants
The protective action of salicylic acid [SA] pre-treatment on soybean plants before cadmium [Cd] addition was tested. Oxidative stress parameters, such as TBARS formation, glutathione and chlorophyll content, were altered by Cd, instead no differences were observed in plants only pre-treated with SA...
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| Otros Autores: | , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2012Noriega.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 024 | |a 10.1007/s10534-012-9577-z | ||
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| 245 | 1 | 0 | |a The role of salicylic acid in the prevention of oxidative stress elicited by cadmium in soybean plants |
| 520 | |a The protective action of salicylic acid [SA] pre-treatment on soybean plants before cadmium [Cd] addition was tested. Oxidative stress parameters, such as TBARS formation, glutathione and chlorophyll content, were altered by Cd, instead no differences were observed in plants only pre-treated with SA. Antioxidant enzymes were affected by Cd treatment, while SA protected against these effects. These findings indicated that SA could act as a protector against oxidative stress induced by Cd. Taking into account the fact that heme-oxygenase-1 [HO-1] has been previously described as a novel antioxidant enzyme, experiments were carried out to determine whether it was involved in the protection exerted by SA. As expected, Cd brought about an enhancement of 57 percent in HO-1 activity and 150 percent in protein content [150 percent], SA also increased both the enzyme activity and its protein content [28 and 75 percent, respectively]. Surprisingly, the observed rise of HO activity and protein content under SA treatment was lower than that produced by Cd alone. These lower values indicated, that HO-1 could not be directly involved in the protection of SA against Cd effects. In order to shed light in the mechanisms involved in SA effects, Cd content was determined in the tissues of Cd treated plants with and without SA pre-treatment. Results indicated that, in the presence of SA, Cd uptake was inhibited, thus avoiding its deleterious effects. Moreover, the observed HO-1 activity enhancement by SA indicates that this phytohormone could be engaged in the signalling pathway of heme degradation. | ||
| 653 | 0 | |a CADMIUM | |
| 653 | 0 | |a HEME OXYGENASE | |
| 653 | 0 | |a OXIDATIVE STRESS | |
| 653 | 0 | |a SALICYLIC ACID | |
| 653 | 0 | |a SOYBEAN PLANTS | |
| 653 | 0 | |a CATALASE | |
| 653 | 0 | |a CHLOROPHYLL | |
| 653 | 0 | |a GLUTATHIONE | |
| 653 | 0 | |a HEME OXYGENASE 1 | |
| 653 | 0 | |a SUPEROXIDE DISMUTASE | |
| 653 | 0 | |a THIOBARBITURIC ACID REACTIVE SUBSTANCE | |
| 653 | 0 | |a CONTROLLED STUDY | |
| 653 | 0 | |a ENZYME ACTIVITY | |
| 653 | 0 | |a ENZYME INHIBITION | |
| 653 | 0 | |a LIPID PEROXIDATION | |
| 653 | 0 | |a NONHUMAN | |
| 653 | 0 | |a PLANT DEFENSE | |
| 653 | 0 | |a PLANT LEAF | |
| 653 | 0 | |a PROTEIN ANALYSIS | |
| 653 | 0 | |a PROTEIN CONTENT | |
| 653 | 0 | |a PROTEIN DEGRADATION | |
| 653 | 0 | |a PROTEIN FUNCTION | |
| 653 | 0 | |a SIGNAL TRANSDUCTION | |
| 653 | 0 | |a SOYBEAN | |
| 653 | 0 | |a GLYCINE MAX | |
| 700 | 1 | |9 48334 |a Noriega, Guillermo O. | |
| 700 | 1 | |a Caggiano, E. |9 69843 | |
| 700 | 1 | |9 69844 |a López Lecube, Manuel | |
| 700 | 1 | |a Cruz, D. S. |9 69845 | |
| 700 | 1 | |9 48335 |a Batlle, Alcira | |
| 700 | 1 | |9 48332 |a Tomaro, María L. | |
| 700 | 1 | |9 37343 |a Balestrasse, Karina Beatriz | |
| 773 | |t BioMetals |g Vol.25, no.6 (2012), p.1155-1165 | ||
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| 900 | |a ^tThe role of salicylic acid in the prevention of oxidative stress elicited by cadmium in soybean plants | ||
| 900 | |a ^aNoriega^bG. | ||
| 900 | |a ^aCaggiano^bE. | ||
| 900 | |a ^aLópez Lecube^bM. | ||
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| 900 | |a ^aCaggiano^bE. | ||
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| 900 | |a ^aNoriega^bG.^tCentro de Investigaciones sobre Porfirinas y Porfirias [CIPYP], CONICET, Buenos Aires, Argentina | ||
| 900 | |a ^aCaggiano^bE.^tDepartamento de QuÃmica Biológica, Facultad de Farmacia y BioquÃmica, Universidad de Buenos Aires, JunÃn 956, 1113 Buenos Aires, Argentina | ||
| 900 | |a ^aLecube^bM.L.^tInstituto de Investigaciones en Biociencias AgrÃcolas y Ambientales [INBA], CONICET, Buenos Aires, Argentina | ||
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| 900 | |a 1155 | ||
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| 900 | |a Vol. 25, no. 6 | ||
| 900 | |a 1165 | ||
| 900 | |a CADMIUM | ||
| 900 | |a HEME OXYGENASE | ||
| 900 | |a OXIDATIVE STRESS | ||
| 900 | |a SALICYLIC ACID | ||
| 900 | |a SOYBEAN PLANTS | ||
| 900 | |a CATALASE | ||
| 900 | |a CHLOROPHYLL | ||
| 900 | |a GLUTATHIONE | ||
| 900 | |a HEME OXYGENASE 1 | ||
| 900 | |a SUPEROXIDE DISMUTASE | ||
| 900 | |a THIOBARBITURIC ACID REACTIVE SUBSTANCE | ||
| 900 | |a CONTROLLED STUDY | ||
| 900 | |a ENZYME ACTIVITY | ||
| 900 | |a ENZYME INHIBITION | ||
| 900 | |a LIPID PEROXIDATION | ||
| 900 | |a NONHUMAN | ||
| 900 | |a PLANT DEFENSE | ||
| 900 | |a PLANT LEAF | ||
| 900 | |a PROTEIN ANALYSIS | ||
| 900 | |a PROTEIN CONTENT | ||
| 900 | |a PROTEIN DEGRADATION | ||
| 900 | |a PROTEIN FUNCTION | ||
| 900 | |a SIGNAL TRANSDUCTION | ||
| 900 | |a SOYBEAN | ||
| 900 | |a GLYCINE MAX | ||
| 900 | |a The protective action of salicylic acid [SA] pre-treatment on soybean plants before cadmium [Cd] addition was tested. Oxidative stress parameters, such as TBARS formation, glutathione and chlorophyll content, were altered by Cd, instead no differences were observed in plants only pre-treated with SA. Antioxidant enzymes were affected by Cd treatment, while SA protected against these effects. These findings indicated that SA could act as a protector against oxidative stress induced by Cd. Taking into account the fact that heme-oxygenase-1 [HO-1] has been previously described as a novel antioxidant enzyme, experiments were carried out to determine whether it was involved in the protection exerted by SA. As expected, Cd brought about an enhancement of 57 percent in HO-1 activity and 150 percent in protein content [150 percent], SA also increased both the enzyme activity and its protein content [28 and 75 percent, respectively]. Surprisingly, the observed rise of HO activity and protein content under SA treatment was lower than that produced by Cd alone. These lower values indicated, that HO-1 could not be directly involved in the protection of SA against Cd effects. In order to shed light in the mechanisms involved in SA effects, Cd content was determined in the tissues of Cd treated plants with and without SA pre-treatment. Results indicated that, in the presence of SA, Cd uptake was inhibited, thus avoiding its deleterious effects. Moreover, the observed HO-1 activity enhancement by SA indicates that this phytohormone could be engaged in the signalling pathway of heme degradation. | ||
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