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Arsenate reduction and methylation in the cells of Trichoderma asperellum SM-12F1, Penicillium janthinellum SM-12F4, and Fusarium oxysporum CZ-8F1 investigated with X-ray absorption near edge structure
Su, SM; Zeng, XB; Li, LF; Duan, R; Bai, LY; Li, AG(李爱国); Wang, J; Jiang, S(蒋升)
2012
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume243
AbstractSynchrotron radiation-based X-ray absorption near edge structure (XANES) was introduced to directly analysis chemical species of arsenic (As) in the cells of Trichoderma asperellum SM-12F1, Penicillium janthinellum SM-12F4, and Fusarium oxysporum CZ-8F1 capable of As accumulation and volatilisation. After exposure to As(V) of 500 mg L-1 for 15 days, a total of 60.5% and 65.3% of the accumulated As in the cells of T. asperellum SM-12F1 and P. janthinellum SM-12F4, respectively, was As(III), followed by 31.3% and 32.4% DMA (dimethylarsinic acid), 8.3% and 2.3% MMA (monomethylarsonic acid), respectively. However, for F. oxysporum CZ-8F1, 54.5% of the accumulated As was As(III), followed by 37.8% MMA and 7.7% As(V). The reduction and methylation of As(V) formed As(III), MMA, and DMA as the primacy products, and the reduction of As(V) might be more easily processed than the methylation. These results will help to understanding the mechanisms of As detoxification and its future application in bioremediation. (C) 2012 Elsevier B.V. All rights reserved.
Language英语
Funding Project应物所项目组
WOS IDWOS:000312609000045
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13093
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Su, SM,Zeng, XB,Li, LF,et al. Arsenate reduction and methylation in the cells of Trichoderma asperellum SM-12F1, Penicillium janthinellum SM-12F4, and Fusarium oxysporum CZ-8F1 investigated with X-ray absorption near edge structure[J]. JOURNAL OF HAZARDOUS MATERIALS,2012,243.
APA Su, SM.,Zeng, XB.,Li, LF.,Duan, R.,Bai, LY.,...&Jiang, S.(2012).Arsenate reduction and methylation in the cells of Trichoderma asperellum SM-12F1, Penicillium janthinellum SM-12F4, and Fusarium oxysporum CZ-8F1 investigated with X-ray absorption near edge structure.JOURNAL OF HAZARDOUS MATERIALS,243.
MLA Su, SM,et al."Arsenate reduction and methylation in the cells of Trichoderma asperellum SM-12F1, Penicillium janthinellum SM-12F4, and Fusarium oxysporum CZ-8F1 investigated with X-ray absorption near edge structure".JOURNAL OF HAZARDOUS MATERIALS 243(2012).
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