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Effects of ytterbium ion on the growth, metabolism and membrane fluidity of Tetrahymena thermophila
Chen, X.-J.; Feng, W.-S; Miao, W.; Shen, Y.-F.; Yu, Y.-H.; Yu, YH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007-09-01
Source PublicationJOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
ISSN1388-6150
Volume89Issue:3Pages:835-839
AbstractPower-time curves and metabolic properties of Tetrahymena thermophila BF5 exposed to different Yb3+ stop levels were studied by ampoule method of isothermal calorimetry at 28 degrees C. Metabolic rate (r) decreased significantly while peak time (PT) increased with the increase of Yb3+ stop. These results were mainly due to the inhibition of cell growth, which corresponded to the decrease of cell number obtained by cell counting. Compared with cell counting, calorimetry was sensible, easy to use and convenient for monitoring the toxic effects of Yb3+ stop on cells and freshwater ecosystem. It was also found that cell membrane fluidity decreased significantly under the effects of Yb3+ stop, which indicated that Yb3+ could be membrane active molecules with its effect on cell membranes as fundamental aspect of its toxicity.; Power-time curves and metabolic properties of Tetrahymena thermophila BF5 exposed to different Yb3+ stop levels were studied by ampoule method of isothermal calorimetry at 28 degrees C. Metabolic rate (r) decreased significantly while peak time (PT) increased with the increase of Yb3+ stop. These results were mainly due to the inhibition of cell growth, which corresponded to the decrease of cell number obtained by cell counting. Compared with cell counting, calorimetry was sensible, easy to use and convenient for monitoring the toxic effects of Yb3+ stop on cells and freshwater ecosystem. It was also found that cell membrane fluidity decreased significantly under the effects of Yb3+ stop, which indicated that Yb3+ could be membrane active molecules with its effect on cell membranes as fundamental aspect of its toxicity.
SubtypeArticle
KeywordCell Growth Isothermal Calorimetry Membrane Fluidity Metabolism Tetrahymena Thermophila Bf5 Yb3++
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Minist Water Res, Inst Hydroecol, Wuhan 430079, Peoples R China; Chinese Acad Sci, Wuhan 430079, Peoples R China
Subject AreaChemistry ; Physical ; Analytical ; Chemistry
DOI10.1007/s10973-007-8510-0
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000249206300026
WOS KeywordPHOSPHATIDYLCHOLINE ; MICROCALORIMETRY ; PYRIFORMIS ; TOOL
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8446
Collection期刊论文
Corresponding AuthorYu, YH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Minist Water Res, Inst Hydroecol, Wuhan 430079, Peoples R China
3.Chinese Acad Sci, Wuhan 430079, Peoples R China
Recommended Citation
GB/T 7714
Chen, X.-J.,Feng, W.-S,Miao, W.,et al. Effects of ytterbium ion on the growth, metabolism and membrane fluidity of Tetrahymena thermophila[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2007,89(3):835-839.
APA Chen, X.-J.,Feng, W.-S,Miao, W.,Shen, Y.-F.,Yu, Y.-H.,&Yu, YH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).Effects of ytterbium ion on the growth, metabolism and membrane fluidity of Tetrahymena thermophila.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,89(3),835-839.
MLA Chen, X.-J.,et al."Effects of ytterbium ion on the growth, metabolism and membrane fluidity of Tetrahymena thermophila".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 89.3(2007):835-839.
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