Peroxidases from root exudates of Medicago sativa and Sorghum bicolor: Catalytic properties and involvement in PAH degradation
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- 作者：Ekaterina Dubrovskaya ; evdubrovskaya@rambler.ru ; dubrovskaya_e@ibppm.ru ; Natalia Pozdnyakova ; Sergey Golubev ; Anna Muratova ; Vyacheslav Grinev ; Anastasiya Bondarenkova ; Olga Turkovskaya
- 关键词：Sorghum bicolor ; Medicago sativa ; Root exudates ; Peroxidase ; Polycyclic aromatic hydrocarbons (PAH) ; Phytoremediation
- 刊名：Chemosphere
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：169
- 期：Complete
- 页码：224-232
- 全文大小：724 K
- 卷排序：169
文摘
The major peroxidases from root exudates of alfalfa and sorghum have different ionic status. The both peroxidases differed in the oxidation of test substrates and pollutants examined. Cationic sorghum peroxidase more effectively oxidized the parent PAHs. Anionic alfalfa peroxidase more effectively oxidized PAH-derivatives. The peroxidases of root exudates are involved in the rhizosphere degradation of pollutants.