Full TGIF Record # 198866
Item 1 of 1
DOI:10.1007/s11104-006-9004-8
Web URL(s):https://link.springer.com/content/pdf/10.1007%2Fs11104-006-9004-8.pdf
    Last checked: 10/05/2017
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    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Cartes, Paula; Shene, Carolina; Mora, María de la Luz
Author Affiliation:Cartes: Instituto de Agroindustria; Shene: Facultad de Ingeniería, Ciencias y Administración; Mora: Departamento de Ciencias Químicas, Universidad de La Frontera, Casilla, Temuco, Chile
Title:Selenium distribution in ryegrass and its antioxidant role as affected by sulfur fertilization
Source:Plant and Soil. Vol. 285, No. 1-2, July 2006, p. 187-195.
# of Pages:9
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Related Web URL:http://www.springerlink.com/content/b0670l8473675026/
    Last checked: 03/02/2012
    Notes: Abstract only
Keywords:TIC Keywords: Amino acids; Antioxidants; Dry weight; Fertilizer evaluation; Inhibitors; Lipid peroxidation; Lolium perenne; Nutrient uptake; Nutritional requirements; SDS-PAGE; Selenium; Sulfur; Tissue testing
Cultivar Names:Aries
Abstract/Contents:"Selenium (Se) essentiality to plants has not been demonstrated although evidence indicates that it plays a significant role as antioxidant in higher plants. Research concerning to the uptake and allocation of Se in plant tissues is reported in numerous works. However, the effect of sulfur (S) on both the distribution and the antioxidant ability of Se in selenite-treated plant remains unclear. In this work the effect of S application (0-100 mg S kg-1 soil) on shoot Se concentration of Lolium perenne cv. Aries was studied. Se distribution into different fractions of plants supplied with selenite (2 mg Se kg-1 soil) and the state of the antioxidative system were determined. Results showed that shoot Se concentration decreased at least 33% by S application. Plants supplied with S registered the lowest GSH-Px activity and the highest lipid peroxidation. Most of Se was incorporated into the organic fraction of the plant tissue irrespective of the S treatment. However, a significant decrease of both the soluble protein and the amino acid fraction occurred, and the residual Se fraction seemed to increase at expense of the organic-Se soluble fraction. Although no essential selenoproteins have been clearly identified in vascular plants, the decrease of the soluble protein fraction and the different pattern of protein synthesized (SDS-PAGE analysis) may explain the observed reduction of the GSH-Px activity."
Language:English
References:43
Note:Pictures, b/w
Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cartes, P., C. Shene, and M. L. Mora. 2006. Selenium distribution in ryegrass and its antioxidant role as affected by sulfur fertilization. Plant Soil. 285(1-2):p. 187-195.
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DOI: 10.1007/s11104-006-9004-8
Web URL(s):
https://link.springer.com/content/pdf/10.1007%2Fs11104-006-9004-8.pdf
    Last checked: 10/05/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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