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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Shi, Yang Huang, Haiwei Zhang, Renduo Wang, Wenfeng Deng, Zujun Jiang, Xinyu Cao, Lixiang |
| Description | Author Affiliation: Deng Z ( School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China.) |
| Abstract | To better understand the characteristics of fungal endophytes in the development of effective phytoremediation of heavy metals, the objectives of this study were to isolate a fungal endophyte tolerant Cd and Pb from rape roots grown in a heavy metal-contaminated soil, to characterize the metal-resistant fungal endophyte, and to assess its potential applications in removal of Cd and Pb from contaminated solutions and experimental soil. The isolate CBRF59 was identified as Mucor sp. based on morphological characteristics and phylogenetic analysis. From a Cd solution of 2.0mM, the maximum biosorption capacity of Cd by dead biomass of Mucor sp. CBRF59 was 108 mg g(-1). Under the same conditions, the bioaccumulation capacity of Cd by active biomass of the strain was 173 mg g(-1). The bioaccumulation capacity of Pb by active biomass of the strain was significantly lower than that by dead biomass in the initial Pb concentrations from 1.0 to 2.0mM. The ratio of Pb to Cd and initial pH values in the mixed Cd+Pb solutions affected the bioaccumulation and biosorption capacities of the metals by CBRF59. The addition of the active mycelia of CBRF59 significantly increased the availability of soil Pb and Cd by 77% and 11.5-fold, respectively. The results showed that the endophytic fungus was potentially applicable for the decontamination of metal-polluted media. |
| ISSN | 03043894 |
| Issue Number | 2-3 |
| Volume Number | 185 |
| e-ISSN | 18733336 |
| Journal | Journal of Hazardous Materials |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-01-30 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Brassica Metabolism Environmental Restoration And Remediation Methods Metals, Heavy Toxicity Mucor Drug Effects Soil Pollutants Biomass Microbiology Classification Isolation & Purification Phylogeny Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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