Physiological responses of Microcystis aeruginosa NIES-843 (cyanobacterium) under the stress of chitosan modified kaolinite (CMK) loading
文献类型：期刊论文
| 作者 | Shao, Jihai2; Wang, Zhongjie1; Liu, Yang1; Liu, Hong2; Peng, Liang2; Wei, Xiangdong2; Lei, Ming2; Li, Renhui1 |
| 刊名 | ECOTOXICOLOGY
 |
| 出版日期 | 2012-04-01 |
| 卷号 | 21期号:3页码:698-704 |
| ISSN号 | 0963-9292 |
| 关键词 | Physiological responses Microcystis aeruginosa Chitosan modified kaolinite |
| 通讯作者 | Li, RH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China. |
| 中文摘要 | Flocculation with clays is a promising and environmentally friendly way to remove algal blooms. Physiological responses of Microcystis aeruginosa NIES-843 under the stress of chitosan modified kaolinite (CMK) loading were first reported in this paper. Compared with the control, the contents of chlorophyll a (Chl a) and carotenoids showed no significant difference at a CMK loading of 40 mg/l, but the phycocyanin content was significant lower than the control at this loading level. The contents of Chl a, carotenoids, phycocyanin and allophycocyanin were all significantly lower than the control at 80 and 160 mg/l CMK, and the leakage of phycobilins occurred at these two loading levels suggesting that flocculation with CMK could cause the damage of cellular membranes. The activities of extracellular alkaline phosphatase activity (E-APA), superoxide dismutase (SOD) and catalase (CAT) were all dramatically boosted under the stress of CMK loading. The changes of cellular dehydrogenase activity exhibited the same trends as of Chl a and carotenoids, and it decreased to the levels of lower than detectable limits on 12 and 8th day at a CMK loading of 80 and 160 mg/l, respectively. These results indicated that flocculation with CMK could cause cell mortality of M. aeruginosa. |
| 英文摘要 | Flocculation with clays is a promising and environmentally friendly way to remove algal blooms. Physiological responses of Microcystis aeruginosa NIES-843 under the stress of chitosan modified kaolinite (CMK) loading were first reported in this paper. Compared with the control, the contents of chlorophyll a (Chl a) and carotenoids showed no significant difference at a CMK loading of 40 mg/l, but the phycocyanin content was significant lower than the control at this loading level. The contents of Chl a, carotenoids, phycocyanin and allophycocyanin were all significantly lower than the control at 80 and 160 mg/l CMK, and the leakage of phycobilins occurred at these two loading levels suggesting that flocculation with CMK could cause the damage of cellular membranes. The activities of extracellular alkaline phosphatase activity (E-APA), superoxide dismutase (SOD) and catalase (CAT) were all dramatically boosted under the stress of CMK loading. The changes of cellular dehydrogenase activity exhibited the same trends as of Chl a and carotenoids, and it decreased to the levels of lower than detectable limits on 12 and 8th day at a CMK loading of 80 and 160 mg/l, respectively. These results indicated that flocculation with CMK could cause cell mortality of M. aeruginosa. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Ecology ; Environmental Sciences ; Toxicology |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Toxicology |
| 关键词[WOS] | LOCAL SOILS ; OXIDATIVE STRESS ; REMOVAL ; BLOOMS ; PHOTOSYNTHESIS ; CULTURES |
| 资助信息 | National Water Science and Technology Projects[2009ZX07101-013-02]; Hunan Provincial Natural Science Foundation of China[10JJ6045]; National Natural Science Foundation of China[21107024] |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000302065400008 |
| 公开日期 | 2012-09-25 |
| 源URL | [http://ir.ihb.ac.cn/handle/342005/17051]  |
| 专题 | 水生生物研究所_藻类生物学及应用研究中心_期刊论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China 2.Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shao, Jihai,Wang, Zhongjie,Liu, Yang,et al. Physiological responses of Microcystis aeruginosa NIES-843 (cyanobacterium) under the stress of chitosan modified kaolinite (CMK) loading[J]. ECOTOXICOLOGY,2012,21(3):698-704. |
| APA | Shao, Jihai.,Wang, Zhongjie.,Liu, Yang.,Liu, Hong.,Peng, Liang.,...&Li, Renhui.(2012).Physiological responses of Microcystis aeruginosa NIES-843 (cyanobacterium) under the stress of chitosan modified kaolinite (CMK) loading.ECOTOXICOLOGY,21(3),698-704. |
| MLA | Shao, Jihai,et al."Physiological responses of Microcystis aeruginosa NIES-843 (cyanobacterium) under the stress of chitosan modified kaolinite (CMK) loading".ECOTOXICOLOGY 21.3(2012):698-704. |
入库方式： OAI收割
来源：水生生物研究所
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