Depicting the physiological and ultrastructural responses of soybean plants to Al stress conditions

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorReis, André Rodrigues dos-
Autor(es): dc.creatorLisboa, Lucas Aparecido Manzani-
Autor(es): dc.creatorReis, Heitor Pontes Gestal-
Autor(es): dc.creatorBarcelos, Jéssica Pigatto de Queiroz-
Autor(es): dc.creatorSantos, Elcio Ferreira-
Autor(es): dc.creatorSantini, José Mateus Kondo-
Autor(es): dc.creatorVenâncio Meyer-Sand, Barbara Rocha-
Autor(es): dc.creatorPutti, Fernando Ferrari-
Autor(es): dc.creatorGalindo, Fernando Shintate-
Autor(es): dc.creatorKaneko, Flavio Hiroshi-
Autor(es): dc.creatorBarbosa, Julierme Zimmer-
Autor(es): dc.creatorPaixão, Amanda Pereira-
Autor(es): dc.creatorJunior, Enes Furlani-
Autor(es): dc.creatorde Figueiredo, Paulo Alexandre Monteiro-
Autor(es): dc.creatorLavres, José-
Data de aceite: dc.date.accessioned2021-03-11T00:57:45Z-
Data de disponibilização: dc.date.available2021-03-11T00:57:45Z-
Data de envio: dc.date.issued2018-12-11-
Data de envio: dc.date.issued2018-12-11-
Data de envio: dc.date.issued2018-09-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.plaphy.2018.07.028-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/180054-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/180054-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCNPq: 309380/2017-0-
Descrição: dc.descriptionCNPq: 448783/2014-2-
Descrição: dc.descriptionAluminium (Al) is a toxic element for plants living in soils with acidic pH values, and it causes reductions in the roots and shoots development. High Al concentrations can cause physiological and structural changes, leading to symptoms of toxicity in plant tissue. The aim of this study was to describe the Al toxicity in soybean plants through physiological, nutritional, and ultrastructure analyses. Plants were grown in nutrient solution containing increasing Al concentrations (0; 0.05; 0.1; 1.0, 2.0 and 4.0 mmol L−1). The Al toxicity in the soybean plants was characterized by nutritional, anatomical, physiological, and biochemical analyses. The carbon dioxide assimilation rates and stomatal conductance were not affected by the Al. However, the capacity for internal carbon use decreased, and the transpiration rate increased, resulting in increased root biomass at the lowest Al concentration in the nutrient solution. The soybean plants exposed to the highest Al concentration exhibited lower root and shoot biomass. The nitrate reductase and urease activities decreased with the increasing Al concentration, indicating that nitrogen metabolism was halted. The superoxide dismutase and peroxidase activities increased with the increasing Al availability in the nutrient solution, and they were higher in the roots, showing their role in Al detoxification. Despite presenting external lesions characterized by a damaged root cap, the root xylem and phloem diameters were not affected by the Al. However, the leaf xylem diameter showed ultrastructural alterations under higher Al concentrations in nutrient solution. These results have contributed to our understanding of several physiological, biochemical and histological mechanisms of Al toxicity in soybean plants.-
Formato: dc.format377-390-
Idioma: dc.languageen-
Relação: dc.relationPlant Physiology and Biochemistry-
Relação: dc.relation1,125-
Direitos: dc.rightsopenAccess-
Palavras-chave: dc.subjectAluminium phytotoxicity-
Palavras-chave: dc.subjectAntioxidative stress-
Palavras-chave: dc.subjectGlycine max L-
Palavras-chave: dc.subjectIon homeostasis-
Palavras-chave: dc.subjectUltrastructure-
Título: dc.titleDepicting the physiological and ultrastructural responses of soybean plants to Al stress conditions-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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