Physiological effects of glyphosate over amino acid profile in conventional and transgenic soybean (Glycine max)

Autor(es)

Alberto Moldes, Carlos ^[1] ; Manuel Camina, Jose ^{[1, 2]} ; Medici, Leonardo Oliveira ^[3] ; Tsai, Siu Mui ^[4] ; Azevedo, Ricardo Antunes ^[5]

Afiliação do(s) autor(es)

^[1] Univ Nacl La Pampa, Fac Ciencias Exactas & Nat, RA-6300 Santa Rosa, La Pampa - Argentina

^[2] Univ Nacl La Pampa, Ist Ciencias Tierra & Ambientales La Pampa INCITA, RA-6300 Santa Rosa, La Pampa - Argentina

^[3] Univ Fed Rural Rio de Janeiro, Dept Ciencias Fisiol, BR-23890000 Seropedica - Brazil

^[4] Univ Sao Paulo, Ctr Energia Nucl Agr, BR-13400970 Piracicaba - Brazil

^[5] Univ Sao Paulo, Dept Genet, Escola Super Agr Luiz de Queiroz, BR-13400970 Piracicaba, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY; v. 102, n. 2, p. 134-141, FEB 2012.
• Citações Web of Science: 15

Resumo

This paper compares the responses of conventional and transgenic soybean to glyphosate application in terms of the contents of 17 detectable soluble amino acids in leaves, analyzed by HPLC and fluorescence detection. Glutamate, histidine, asparagine, arginine + alanine, glycine + threonine and isoleucine increased in conventional soybean leaves when compared to transgenic soybean leaves, whereas for other amino acids, no significant differences were recorded. Univariate analysis allowed us to make an approximate differentiation between conventional and transgenic lines, observing the changes of some variables by glyphosate application. In addition, by means of the multivariate analysis, using principal components analysis (PCA), cluster analysis (CA) and linear discriminant analysis (LDA) it was possible to identify and discriminate different groups based on the soybean genetic origin. (C) 2011 Elsevier Inc. All rights reserved. (AU)

• Processo FAPESP: 09/54110-6 - Caracterizacao de enzimas chaves do metabolismo de lisina em cevada (hordeum vulgare l) e em milho (zea mays l.) geneticamente modificados
• Beneficiário: Ricardo Antunes de Azevedo
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 04/16039-4 - Entendendo o metabolismo de lisina em cereais
• Beneficiário: Ricardo Antunes de Azevedo
• Modalidade de apoio: Auxílio à Pesquisa - Temático