Effects of Tetrabromobisphenol A Stress on Growth and Physiological Characteristics of Soybean Seedling

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• 作者：Honglian Ge ; Fuli Zhang
• 关键词：Chlorophyll content ; Soluble sugar ; Soluble protein ; Antioxidant enzymes
• 刊名：Bulletin of Environmental Contamination and Toxicology
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：98
• 期：1
• 页码：141-146
• 全文大小：
• 刊物主题：Pollution, general; Environmental Health; Ecotoxicology; Soil Science & Conservation; Environmental Chemistry; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution;
• 出版者：Springer US
• ISSN：1432-0800
• 卷排序：98

文摘

The objective of this study was to investigate effects of tetrabromobisphenol A (TBBPA) on soybean seedlings. Growth and physiological parameters of soybean seedlings were measured by exposing seedlings to different concentrations of TBBPA (0, 5, 10, 20, 40, 80, and 100 mg kg−1 dry weight soil) in a greenhouse. Results showed 5 to 100 mg kg−1 TBBPA treatment reduced the shoot height, stem diameter, dry weight, and fresh weight, while 5 to 100 mg kg−1 TBBPA treatment reduced the chlorophyll content and induced production of malondialdehyde (MDA) in soybean leaves after 7 and 14 days of exposure. TBBPA treatment at low concentrations enhanced soluble sugar and soluble protein content, and it activated superoxide dismutase (SOD; EC:1.15.1.1), catalase (CAT; EC:1.11.1.6), and peroxidase (POD; EC:1.11.1.7); however, high concentrations of TBBPA inhibited activities of antioxidant enzymes and generation of soluble sugar and soluble protein.