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镉对三角褐指藻生化组分及光合效能的影响

, PP. 936-940

Keywords: 三角褐指藻,,生化组分,光合效能

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Abstract:

以三角褐指藻为实验材料,研究了不同浓度Cd2+对三角褐指藻生化组分及光合效能的影响.测定了Cd2+处理三角褐指藻16d后细胞密度、可溶性糖含量、可溶性蛋白含量、叶绿素a含量、最大光能转化效率(Fv/Fm)、实际光能转化效率(Yield)等指标.结果显示,0.1μmol/LCd2+和1μmol/LCd2+处理组对三角褐指藻各项指标都具有促进作用,其中0.1μmol/LCd2+处理组的促进作用最明显,细胞密度、可溶性糖含量、可溶性蛋白含量、叶绿素a含量分别为对照组的1.12、1.35、1.29和1.22倍;Fv/Fm和Yield与对照组相比也有显著提高.实验表明,三角褐指藻可以通过自身代谢的调整来适应一定浓度的Cd2+;低浓度镉在一定程度上促进了三角褐指藻细胞代谢,增强了其光合作用效能.

References

[1]  [1] Ryan R P. Cadmium in Toxicology Desk Reference[M]. 3rd ed. Washington DC:Taylor & Francis,1996:499-522.
[2]  Luparello C, Longo A, Vetrano M. Exposure to cadmium chloride influences astrocyte-elevated gene-1(AEG-1) expression in MDA-MB231 human breast cancer cells[J]. Biochimie,2012,94(1):207-213.
[3]  Torres E, Cid A, Fidalgo P, et al. Long-chain class III metallothioneins as mechanism of cadmium tolerance in the marine diatom Phaeodactylum tricornutum Bohlin[J]. Aqua Toxicol,1997,39:231-246.
[4]  Osborne D R, Análisis de Nutrientes de los Alimentos[M]. Zaragoza:Acribia,1985:136-153.
[5]  Rebolloso Fuentes M M, Navarro Pérez A, Ramos Miras J J, et al. Biomass nutrients profiles of the microalga Phaeodactylum tricornutum[J]. J Food Biochem,2001,25:57-76.
[6]  Hansmann E. Pigment analysis[C]//Stein J R. Handbook of Phycological Methods:Culture Methods and Growth Measurements. London:Cambridge University Press,1973:359-368.
[7]  梁英,冯力霞,尹翠玲,等. 高温胁迫对三角褐指藻和纤细角毛藻叶绿素荧光动力学的影响[J]. 中国海洋大学学报:自然科学版,2006,36(3):427-433.
[8]  江福英,李延,翁伯琦. 植物低温胁迫及其抗性生理[J]. 福建农业学报,2002,17(3):190-195.
[9]  邵世光,阎斌伦,许云华,等. Cd(II)对条斑紫菜毒害作用的研究[J]. 河南师范大学学报:自然科学版,2006,34(2):113-116.
[10]  [1 Shaw J R, Colbourne J K, Daavey J C, et al. Gene response pro-files for Daphnia pulex exposed to the environmental stressor cadmium reveals novel crustacean metallothioneins[J]. BMC Genomics,2007(8):477-497.
[11]  [1 李俊明,耿庆汉. 低温玉米不同耐冷类型自交系生理生化变化[J]. 华北农学报,1989,4(2):15-19.
[12]  [1 向蓓,赵文,王媛,等. Cd(II)胁迫对盐藻生长抗氧化系统及线粒体膜电位的影响[J]. 大连海洋大学学报,2012,27(1):64-68.
[13]  [1 Sayed O H, EI-shahed A M. Growth Photosynthesis and circadian patterns in chlorella vulgaris (Chlorophyta) in response to growth temperature[J]. Algoi,2000,21(3):283-290.
[14]  [1 赵会杰,邹奇,余振文. 叶绿索荧光分析技术及其在植物光合机理研究中的应用[J]. 河南农业大学学报:自然科学版,2000,34(3):248-251.
[15]  [1 梁英,冯力霞,尹翠玲,等. 叶绿素荧光技术在微藻环境胁迫研究中的应用现状及前景[J]. 海洋科学,2007,31(1):71-76.
[16]  [1 Papagengious G. Chorophyll fluorescence: an intrinsic probe of photosynthesis[C]//Biogetics of Photosynthesis. New York:Academic Press,1975:319-371.
[17]  [1 廖琳,胡晓蓉,李晖,等. 生态环境中镉对生物体毒性作用机理及硒对该毒性抗性作用的研究进展[J]. 四川环境,2002,21(2):21-24.
[18]  [1 Stobart A K, Griffiths W T, Ameen I, et al. The effect of Cd2+ on the biosynthesis of chlorophyll in leaves of barley[J]. Physiol Plant,1985,63:293-298.
[19]  [1 王焕校. 污染生态学基础[M]. 昆明:云南大学出版社,1990:71-148.
[20]  Hart B A, Lee C H, Shukla G S, et al. Characterization of cadmium-induced apoptosis in rat lung epithelial cell: evidence for the participation of oxidant stress[J]. Toxicology,1999,133:43-58.
[21]  Milone T M, Sgherrii C, Clijsters H, et al. Antioxidative responses of wheat treated with realistic concentration of cadmium[J]. Environmental and experimental Botany,2003,50:265-276.
[22]  Bartolf M, Brennan E, et al. Partial characterization of a cadmium-bindind protein from the roots of cadmium treated tomato[J]. Plant Physiol,1980,66:438-441.

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