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Different Sensitivities of Selenastrum capricornutum and Toxic Strain Microcystis aeruginosa to Exudates from Two Potamogeton Species
Zhang, Sheng-hua; Sun, Pei-shi; Ge, Fang-jie; Wu, Zhen-bin; Zhang, SH (reprint author), Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China; shhzhang2007@yahoo.com.cn
2011
Source PublicationPOLISH JOURNAL OF ENVIRONMENTAL STUDIES
ISSN1230-1485
Volume20Issue:5Pages:1359-1366
AbstractThe sensitivities of Selenastrum capricornutum and the toxic strain Microcystis aeruginosa to exudates from Potamogeton maackianus and P. malaianus were compared using exudation experiment, and the potential allelochemicals released by these two pondweeds into surrounding water were also analyzed. The growth of S. capricornutum and M. aeruginosa was inhibited by the exudates from the two macrophytes. Compared to the control, the cell densities of S. capricornutum decreased by 42.7% and 61.9% in 2.5 and 5 g.L(-1) FW P. maackianus treatments, and the cell densities of S. capricornutum also decreased by 65.8% and 73.5% in the two biomass density treatments of P. malaianus after three clays of treatments. After 3 days' incubation in 2.5 and 5 g FW.L(-1) P. maackianus exudates, the M. aeruginosa cell densities were higher in control than in treatment. As for P. malaianus treatments, the cell densities of M. aeruginosa were reduced by 16.5 and 65.8% of the control in 2.5 and 5 g.L(-1) FW marophytes at the end of incubation period, respectively. The allelochemicals exuded from the macophytes, which inhibited both S. capricornutum and M. aeruginosa, belonged to lipophilic and moderately lipophilic compounds according to the bioassay results of exudate fractionations. By multiple comparison statistics, the results showed that P. maackianus had stronger inhibitory effects on M. aeruginsa, while S. capricornutum was more sensitive to the allelochemicals of P. malaianus. The different sensitivities of the two algae were probably caused by three alcohol compounds (1-methoxy-2-methyl-2-Propanol, 2-methyl-2-Hexanol, and 4-ethyl-2,6-dimethyl-4-Heptanol) through the GC-MS analysis of the most active exudate fractions.
KeywordAllelochemical Cyanobacteria Green Algae Exudation Submerged Macrophytes
Department[Zhang, Sheng-hua; Sun, Pei-shi] Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China; [Ge, Fang-jie; Wu, Zhen-bin] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Subject AreaEnvironmental Sciences & Ecology
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M]
Indexed BySCI
Language英语
WOS IDWOS:000295810000028
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M] ; Major Science and Technology Program for Water Pollution Control and Treatment[2008ZX07316-004]; Yunnan University[2009C19Q]; Yunnan Educational Committee[09Y0033]; Project of Science and Technology Program of Yunnan Province, China[2009ZC005M]
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16455
Collection水环境工程研究中心_期刊论文
Corresponding AuthorZhang, SH (reprint author), Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China; shhzhang2007@yahoo.com.cn
Recommended Citation
GB/T 7714
Zhang, Sheng-hua,Sun, Pei-shi,Ge, Fang-jie,et al. Different Sensitivities of Selenastrum capricornutum and Toxic Strain Microcystis aeruginosa to Exudates from Two Potamogeton Species[J]. POLISH JOURNAL OF ENVIRONMENTAL STUDIES,2011,20(5):1359-1366.
APA Zhang, Sheng-hua,Sun, Pei-shi,Ge, Fang-jie,Wu, Zhen-bin,Zhang, SH ,&shhzhang2007@yahoo.com.cn.(2011).Different Sensitivities of Selenastrum capricornutum and Toxic Strain Microcystis aeruginosa to Exudates from Two Potamogeton Species.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,20(5),1359-1366.
MLA Zhang, Sheng-hua,et al."Different Sensitivities of Selenastrum capricornutum and Toxic Strain Microcystis aeruginosa to Exudates from Two Potamogeton Species".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 20.5(2011):1359-1366.
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