Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application.
The aim was to evaluate the interactive eects on biochemistry and physiology of soybean plants exposed to simultaneous xenobiotic and water deficit stresses, and the possible attenuation of plant damage by an antioxidant agent. Soybean plants were submitted to eight different soil water potentials, in two experiments (first experiment: 􀀀0.96, 􀀀0.38, 􀀀0.07, 􀀀0.02MPa, and second experiment: 􀀀3.09, 􀀀1.38, 􀀀0.69, 􀀀0.14 MPa), xenobiotic, and antioxidant agent applications. Was observed a reduction in water status, gas exchange, photosynthetic pigments, photosystem II quantum yield, and increased leaf temperature in plants under low water availability. Water deficit also induced oxidative stress by the increased production of reactive oxygen species, cellular and molecular damage, and induction of the antioxidant defense metabolism, reduction of gas exchange, water status, and photosynthetic eciency. The xenobiotic application also caused changes, with deleterious eects more pronounced in low soil water availability, mainly the reactive oxygen species production, consequently the antioxidant activity, and the oxidative damages. This indicates dierent responses to the combination of stresses. Antioxidant enzyme activity was reduced by the application of the antioxidant agent. Principal Component Analysis showed a relation with the antioxidant agent and reactive oxygen species, which is probably due to signaling function, and with defense antioxidant system, mainly glutathione, represented by thiols. Keywords: oxidative stress; oxidative damages; physiology; biochemistry; antioxidant defense; soil water potential; biostimulant
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2021-02-11
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Subjects: | Oxidative damages, Antioxidant defense, Biostimulant, Oxidative stress, Physiology, Biochemistry, Soil water potential, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129994 |
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dig-alice-doc-11299942021-02-11T19:18:28Z Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. SCHNEIDER, J. R. MÜLLER, M. KLEIN, V. A. ROSSATO-GRANDO, L. G. BARCELOS, R. P. DALMAGO, G. A. CHAVARRIA, G. JULIA RENATA SCHNEIDER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; MARIELE MÜLLER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; VILSON ANTONIO KLEIN, Soil Physics Laboratory, Agronomy Post-Graduate Programa, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; vaklein@upf.br; LUCIANA GRAZZIOTIN ROSSATO-GRANDO, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); RÔMULO PILLON BARCELOS, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); GENEI ANTONIO DALMAGO, CNPT; GERALDO CHAVARRIA, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br. Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential The aim was to evaluate the interactive eects on biochemistry and physiology of soybean plants exposed to simultaneous xenobiotic and water deficit stresses, and the possible attenuation of plant damage by an antioxidant agent. Soybean plants were submitted to eight different soil water potentials, in two experiments (first experiment: 􀀀0.96, 􀀀0.38, 􀀀0.07, 􀀀0.02MPa, and second experiment: 􀀀3.09, 􀀀1.38, 􀀀0.69, 􀀀0.14 MPa), xenobiotic, and antioxidant agent applications. Was observed a reduction in water status, gas exchange, photosynthetic pigments, photosystem II quantum yield, and increased leaf temperature in plants under low water availability. Water deficit also induced oxidative stress by the increased production of reactive oxygen species, cellular and molecular damage, and induction of the antioxidant defense metabolism, reduction of gas exchange, water status, and photosynthetic eciency. The xenobiotic application also caused changes, with deleterious eects more pronounced in low soil water availability, mainly the reactive oxygen species production, consequently the antioxidant activity, and the oxidative damages. This indicates dierent responses to the combination of stresses. Antioxidant enzyme activity was reduced by the application of the antioxidant agent. Principal Component Analysis showed a relation with the antioxidant agent and reactive oxygen species, which is probably due to signaling function, and with defense antioxidant system, mainly glutathione, represented by thiols. Keywords: oxidative stress; oxidative damages; physiology; biochemistry; antioxidant defense; soil water potential; biostimulant 2021-02-11T19:18:19Z 2021-02-11T19:18:19Z 2021-02-11 2020 Artigo de periódico Biology, v. 9, p. 266-289, 2020. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129994 10.3390/biology9090266 Ingles en openAccess |
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Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential |
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Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential SCHNEIDER, J. R. MÜLLER, M. KLEIN, V. A. ROSSATO-GRANDO, L. G. BARCELOS, R. P. DALMAGO, G. A. CHAVARRIA, G. Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
description |
The aim was to evaluate the interactive eects on biochemistry and physiology of soybean plants exposed to simultaneous xenobiotic and water deficit stresses, and the possible attenuation of plant damage by an antioxidant agent. Soybean plants were submitted to eight different soil water potentials, in two experiments (first experiment: 􀀀0.96, 􀀀0.38, 􀀀0.07, 􀀀0.02MPa, and second experiment: 􀀀3.09, 􀀀1.38, 􀀀0.69, 􀀀0.14 MPa), xenobiotic, and antioxidant agent applications. Was observed a reduction in water status, gas exchange, photosynthetic pigments, photosystem II quantum yield, and increased leaf temperature in plants under low water availability. Water deficit also induced oxidative stress by the increased production of reactive oxygen species, cellular and molecular damage, and induction of the antioxidant defense metabolism, reduction of gas exchange, water status, and photosynthetic eciency. The xenobiotic application also caused changes, with deleterious eects more pronounced in low soil water availability, mainly the reactive oxygen species production, consequently the antioxidant activity, and the oxidative damages. This indicates dierent responses to the combination of stresses. Antioxidant enzyme activity was reduced by the application of the antioxidant agent. Principal Component Analysis showed a relation with the antioxidant agent and reactive oxygen species, which is probably due to signaling function, and with defense antioxidant system, mainly glutathione, represented by thiols. Keywords: oxidative stress; oxidative damages; physiology; biochemistry; antioxidant defense; soil water potential; biostimulant |
author2 |
JULIA RENATA SCHNEIDER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; MARIELE MÜLLER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; VILSON ANTONIO KLEIN, Soil Physics Laboratory, Agronomy Post-Graduate Programa, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; vaklein@upf.br; LUCIANA GRAZZIOTIN ROSSATO-GRANDO, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); RÔMULO PILLON BARCELOS, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); GENEI ANTONIO DALMAGO, CNPT; GERALDO CHAVARRIA, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br. |
author_facet |
JULIA RENATA SCHNEIDER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; MARIELE MÜLLER, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br; VILSON ANTONIO KLEIN, Soil Physics Laboratory, Agronomy Post-Graduate Programa, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; vaklein@upf.br; LUCIANA GRAZZIOTIN ROSSATO-GRANDO, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); RÔMULO PILLON BARCELOS, Faculty of Pharmacy, Institute of Biological Sciences, Bioexperimentation Post-Graduate Program, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; rossatoluciana@upf.br (L.G.R.-G.); romulopillon@upf.br (R.P.B.); GENEI ANTONIO DALMAGO, CNPT; GERALDO CHAVARRIA, Plant Physiology Laboratory, Agronomy Post-Graduate Program, Faculty of Agronomy and Veterinary Medicine, Passo Fundo University, BR 285, Passo Fundo 99052-900, Rio Grande do Sul, Brazil; juliaschneider07@hotmail.com (J.R.S.); muller.mariele@yahoo.com.br. SCHNEIDER, J. R. MÜLLER, M. KLEIN, V. A. ROSSATO-GRANDO, L. G. BARCELOS, R. P. DALMAGO, G. A. CHAVARRIA, G. |
format |
Artigo de periódico |
topic_facet |
Oxidative damages Antioxidant defense Biostimulant Oxidative stress Physiology Biochemistry Soil water potential |
author |
SCHNEIDER, J. R. MÜLLER, M. KLEIN, V. A. ROSSATO-GRANDO, L. G. BARCELOS, R. P. DALMAGO, G. A. CHAVARRIA, G. |
author_sort |
SCHNEIDER, J. R. |
title |
Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
title_short |
Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
title_full |
Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
title_fullStr |
Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
title_full_unstemmed |
Soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
title_sort |
soybean plant metabolism under water deficit and xenobiotic and antioxidant agent application. |
publishDate |
2021-02-11 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129994 |
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