Accelerated degradation of a variety of aromatic compounds by Spirodela
polyrrhiza-bacterial associations and contribution
of root exudates released from S. polyrrhiza |
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Authors: | Hai Hoang Ning Yu Tadashi Toyam Daisuke Inoue Kazunari Sei and Michihiko Ike |
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Institution: | 1. Division of Sustainable Energy and Environmental Engineering, Osaka University, Suita, Osaka 565-0871, Japan 2. Division of Applied Sciences, Muroran Institute of Technology, Muroran, Hokkaido 050-8585, Japan |
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Abstract: | Removal experiments of phenol, aniline, 2,4-dichlorophenol, nonylphenol and bisphenol A (BPA) using Spirodela polyrrhizabacterial
associations revealed that all compounds but BPA underwent accelerated removal. The mechanisms di ered depending on
the substrates. It was found that S. polyrrhiza has a great ability to release phenolic compound-rich root exudates, and the exudates
seem to stimulate bacterial degradation of a variety of aromatic compounds. |
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Keywords: | accelerated biodegradation aromatic compounds rhizosphere root exudates Spirodela polyrrhiza |
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