Variation of sulfate reducing bacteria communities in ionic rare earth tailings and the potential of a single cadmium resistant strain in bioremediation
文献类型：期刊论文
| 作者 | Zhang, Ping1; Yang, Fen; Dai, Weijie1; Wei, Chaoyang |
| 刊名 | CHEMOSPHERE
 |
| 出版日期 | 2023-07-01 |
| 卷号 | 328页码:138615 |
| ISSN号 | 0045-6535 |
| 关键词 | Ionic rare earth tailing Sulfate -reducing bacteria Revegetation tailing Bare tailing Extracellular polymeric substances Cadmium |
| DOI | 10.1016/j.chemosphere.2023.138615 |
| 文献子类 | Article |
| 英文摘要 | Heap leaching ionic rare earth tailings might be prone to nourish sulfate reducing bacteria (SRB), but the SRB community in terrestrial ecosystems, such as tailings, has never been studied. This work was conducted to investigate the SRB communities in revegetated and bare tailings in Dingnan county, Jiangxi province, China, incorporating with indoor experiments to isolate SRB strain in bioremediation of Cd contamination. Significant increases in richness, accompanied by reductions in evenness and diversity, were found in the SRB community in revegetated tailings compared to bare tailings. At genus taxonomic level, two distinct dominant SRB were observed in samples from bare and revegetated tailings, with Desulfovibrio dominating in the former and Streptomyces dominating in the latter, respectively. A single SRB strain was screened out from the bare tailings (REO-01). The cell of REO-01 was rod-shaped and belonged to family Desulfuricans and genus Desulfovibrio. The Cd resistance of the strain was further examined, no changes in cell morphology were observed at 0.05 mM Cd, additionally, the atomic ratios of S, Cd, and Fe changed with the increase in Cd dosages, indicating FeS and CdS were produced simultaneously, XRD results further confirmed the production changed gradually from FeS to CdS with increasing Cd dosages from 0.05 to 0.2 mM. FT-IR analysis showed that functional groups containing amide, polysaccharide glycosidic linkage, hydroxyl, carboxy, methyl, phosphodiesters and sulfhydryl groups in |
| 学科主题 | Environmental Sciences & Ecology |
| WOS关键词 | ORGANIC-CARBON ; ADSORPTION ; DIVERSITY ; SOIL ; MICROORGANISMS ; RHIZOSPHERE ; ABUNDANCE ; SEDIMENT ; CHINA ; WATER |
| 语种 | 英语 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/193481]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Ping,Yang, Fen,Dai, Weijie,et al. Variation of sulfate reducing bacteria communities in ionic rare earth tailings and the potential of a single cadmium resistant strain in bioremediation[J]. CHEMOSPHERE,2023,328:138615. |
| APA | Zhang, Ping,Yang, Fen,Dai, Weijie,&Wei, Chaoyang.(2023).Variation of sulfate reducing bacteria communities in ionic rare earth tailings and the potential of a single cadmium resistant strain in bioremediation.CHEMOSPHERE,328,138615. |
| MLA | Zhang, Ping,et al."Variation of sulfate reducing bacteria communities in ionic rare earth tailings and the potential of a single cadmium resistant strain in bioremediation".CHEMOSPHERE 328(2023):138615. |
入库方式： OAI收割
来源：地理科学与资源研究所
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