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Microcalorimetric study on the toxic effect of Pb2+ to Tetrahymena
Liu Peng; Zhang Weiying; Li Xi; Chen Xiaojuan; Zhang Chaocan; Liu, P, Wuhan Univ Technol, Sch Sci, Dept Appl Chem, Wuhan 430070, Peoples R China
2007-11-01
Source PublicationBIOLOGICAL TRACE ELEMENT RESEARCH
ISSN0163-4984
Volume119Issue:2Pages:175-182
AbstractThe toxic effect of Pb2+ has been studied in eukaryotic cells by using Tetrahymena as a target. The maximum power (P (m)) and the growth rate constant (k) were determined, which showed that values of P (m) and k were linked to the concentration (C) of Pb2+. The addition of Pb2+ caused a decrease of the maximum heat production and growth rate constant, indicating that Tetrahymena growth was inhibited in the presence of Pb2+, and Pb2+ took part in the metabolism of cells. From micrographs, morphological changes of Tetrahymena were observed with addition of Pb2+, indicating that the toxic effect of Pb2+ derived from destroying the membrane of surface of Tetrahymena. According to the thermogenic curves and photos of Tetrahymena under different conditions, it is clear that metabolic mechanism of Halobacterium halobium R1 growth has been changed with the addition of Pb2+.; The toxic effect of Pb2+ has been studied in eukaryotic cells by using Tetrahymena as a target. The maximum power (P (m)) and the growth rate constant (k) were determined, which showed that values of P (m) and k were linked to the concentration (C) of Pb2+. The addition of Pb2+ caused a decrease of the maximum heat production and growth rate constant, indicating that Tetrahymena growth was inhibited in the presence of Pb2+, and Pb2+ took part in the metabolism of cells. From micrographs, morphological changes of Tetrahymena were observed with addition of Pb2+, indicating that the toxic effect of Pb2+ derived from destroying the membrane of surface of Tetrahymena. According to the thermogenic curves and photos of Tetrahymena under different conditions, it is clear that metabolic mechanism of Halobacterium halobium R1 growth has been changed with the addition of Pb2+.
SubtypeArticle
KeywordPb2++ Toxic Effect Tetrahymena Inhibitor Membrane
DepartmentWuhan Univ Technol, Sch Sci, Dept Appl Chem, Wuhan 430070, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Beijing, Peoples R China
Subject AreaBiochemistry & Molecular Biology ; Endocrinology & Metabolism
DOI10.1007/s12011-007-0055-3
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Endocrinology & Metabolism
WOS SubjectBiochemistry & Molecular Biology ; Endocrinology & Metabolism
WOS IDWOS:000249646000009
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8428
Collection期刊论文
Corresponding AuthorLiu, P, Wuhan Univ Technol, Sch Sci, Dept Appl Chem, Wuhan 430070, Peoples R China
Affiliation1.Wuhan Univ Technol, Sch Sci, Dept Appl Chem, Wuhan 430070, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Liu Peng,Zhang Weiying,Li Xi,et al. Microcalorimetric study on the toxic effect of Pb2+ to Tetrahymena[J]. BIOLOGICAL TRACE ELEMENT RESEARCH,2007,119(2):175-182.
APA Liu Peng,Zhang Weiying,Li Xi,Chen Xiaojuan,Zhang Chaocan,&Liu, P, Wuhan Univ Technol, Sch Sci, Dept Appl Chem, Wuhan 430070, Peoples R China.(2007).Microcalorimetric study on the toxic effect of Pb2+ to Tetrahymena.BIOLOGICAL TRACE ELEMENT RESEARCH,119(2),175-182.
MLA Liu Peng,et al."Microcalorimetric study on the toxic effect of Pb2+ to Tetrahymena".BIOLOGICAL TRACE ELEMENT RESEARCH 119.2(2007):175-182.
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