Root Responses and Metal Accumulation in Two Contrasting Ecotypes of Sedum Alfredii Hance Under Lead and Zinc Toxic Stress

REFERENCES

• Nriagu , J. O. and Pacyna , J. M. 1988 . Quantitative assessment of world-wide contamination of air, water and soils by trace metals . Nature , 333 : 134 – 139 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• McGrath , S. P. and Zhao , F. J. 2003 . Phytoextraction of metals and metalloids from contaminated soils . Current Opin. Biotechnol , 14 : 277 – 282 . [CSA] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Baker , A. J.M. 1981 . Accumulators and excluders-strategies in the response of plants to heavy metals . J. Plant Nutr. , 3 : 643 – 654 .
   Web of Science ®Google Scholar
• Wenzela , W. W. , Lombi , E. and Adriano , D. C. 1999 . “ Biogeochemical processes in the rhizosphere: Role in phytoremediation of metal-polluted soils ” . In Heavy Metal Stress in Plants—From Molecules to Ecosystems , Edited by: Prasad , N. M.V. and Vagemeyer , J. 273 – 03 . Heidelberg : Springer Verlag .
   Google Scholar
• Boominathan , R. and Doran , P. M. 2003 . Organic acid complexation, heavy metal distribution and the effect of ATPase inhibition in hairy roots of hyperaccumulator plant species . J. Biotechnol , 101 : 131 – 146 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Salt , D. E. , Smith , R. D. and Raskin , I. 1998 . Phytoremediation . Annu. Rev. Plant Physiol. Plant Mol. Biol. , 49 : 643 – 668 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Kramer , U. , Pickering , I. J. , Prince , R. C. , Raskin , I. and Salt , D. E. 2000 . Subcellular localization and speciation of nickel in hyperaccumulator and non-accumulator, Thlaspi species . Plant Physiol. , 122 : 1343 – 1353 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Ozturk , L. , Karanlik , S. , Ozkutlu , F. , Cakmak , I. and Kochian , L. V. 2003 . Shoot biomass and zinc/cadmium uptake for hyperaccumulator and non-accumulator Thlaspi species in response to growth on zinc-deficient calcareous soil . Plant Sci. , 164 : 1095 – 1101 . [CROSSREF]
   Web of Science ®Google Scholar
• McGrath , S. P. , Zhao , F. J. and Lombi , E. 2001 . Plant and rhizosphere characteristics involved in phytoremediation of metal-contaminated soils . Plant Soil , 232 : 207 – 214 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Yang , X. E. , Long , X. X. and Ni , W. Z. 2002 . Physiological and molecular mechanisms of heavy metal uptake by hyperaccumulating plants . Plant Nutr. Fertil. Sci. , 8 : 8 – 15 . [CSA]
   Google Scholar
• Yang , X. E. , Long , X. X. and Ni , W. Z. 2002 . Sedum alfredii Hance—a new ecotype of Zn-hyperaccumulator plant species native to China . Chinese Sci. Bull. , 47 : 1003 – 1006 . [CROSSREF]
   Google Scholar
• Yang , X. E. , Long , X. X. , Ye , H. B. , He , Z. L. , Calvert , D. V. and Stoffella , P. J. 2004 . Cadmium tolerance and hyperaccumulation in a new Zn-hyperaccumulating plant species (Sedum alfredii Hance) . Plant Soil , 259 : 181 – 189 . [CROSSREF]
   Web of Science ®Google Scholar
• Ye , H. B. , Yang , X. E. , He , B. and Long , X. X. 2003 . Growth response and metal accumulation of Sedum alfredii to Cd/Zn complex-polluted ion levels . Acta Bot. Sin. , 45 : 1030 – 1036 .
   Google Scholar
• He , B. , Yang , X. E. , Ni , W. Z. and Wei , Y. Z. 2002 . Sedum alfredii—A new lead-accumulating ecotype . Acta Bot. Sin. , 44 : 1356 – 1370 .
   Google Scholar
• Long , X. X. , Yang , X. E. , Ye , Z. Q. and Ni , W. Z. 2002 . Study of the differences of uptake and accumulation of zinc in four species of Sedum . Acta Bot. Sin. , 44 : 152 – 157 .
   Google Scholar
• Yang , X. E. , Long , X. X. and Ni , W. Z. 2001 . Zinc tolerance and hyperaccumulation in a new ecotype of Sedum alfredii Hance . Acta Phytoecol. Sin. , 25 : 670 – 677 .
   Google Scholar
• Ni , T. H. and Wei , Y. Z. 2003 . Subcellular distribution of cadmium in mining ecotype Sedum alfredii . Acta Bot. Sin. , 45 : 925 – 928 .
   Google Scholar
• Jiang , D. A. 1999 . Plant Physiology Experiment Guidance , Chendu, , China : Chendu Science and Technological University Publisher .
   Google Scholar
• Marschner , H. 1995 . Mineral Nutrition of Higher Plants, , 2nd Ed. , San Diego, CA : Academic Press .
   Google Scholar
• Reeves , R. D. and Brooks , R. R. 1983 . Hyperaccumulation of lead and zinc by two metallophytes from mining areas of Central Europe . Environ. Pollut. , 31 : 277 – 285 . [CROSSREF]
   Web of Science ®Google Scholar
• Ebbs , S. D. and Kochian , L. V. 1998 . Phytoextraction of zinc by oat, barley and Indian mustard . Environ. Sci. Technol. , 32 : 802 – 806 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Cobbett , C. S. 2000 . Phytochelatins and heir roles in heavy metal detoxification . Plant Physiol. , 123 : 821 – 832 . [CROSSREF]
   Google Scholar
• Lasat , M. M. , Baker , A. J. and Kochian , M. 1996 . Physiolgical characterisation of root Zn2+ absorption and translocation to shoots in hyperaccumulator and non-hyperaccumulator species of Thlaspi . Plant Physiol. , 112 : 1715 – 1722 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Schwarz , D. and Grosch , R. 2003 . Influence of nutrient solution concentration and a root pathogen on tomato root growth and morphology . Scientia Horticulturae , 97 : 109 – 120 . [CROSSREF]
   Google Scholar
• Knight , B. , Zhao , F. J. and McGrath , S. P. 1997 . Zinc and cadmium uptake by the hyperaccumulator Thlaspi caerulescens in contaminated soils and its effects on the concentration and chemical speciation of metals in soil solution . Plant Soil , 197 : 71 – 78 . [CSA] [CROSSREF]
   Web of Science ®Google Scholar
• Jones , D. L. , Darrah , P. R. and Kochian , L. V. 1996 . Critical evaluation of organic acid mediated iron dissolution in the rhizosphere and its potential role in root iron uptake . Plant Soil , 180 : 57 – 66 . [CROSSREF]
   Web of Science ®Google Scholar
• Krämer , U. and Cotter-Howells , J. D. 1996 . Free histidine as a metal chelator in plants that hyperaccumulate nickel . Nature , 379 : 635 – 638 . [CROSSREF]
   Web of Science ®Google Scholar
• Salt , D. E. , Kato , N. and Klamer , U. 2000 . “ The role of root exudates in nickel hyperaccumulation and tolerance in accumulator and nonaccumulator species of Thlaspi ” . In Phytoremediation of Contaminated, Soil and Water , Edited by: Terry , N. and Banuelos , G. 189 – 200 . Boca Raton, FL : CRC Press .
   Google Scholar
• Zhao , F. J. , Hamon , R. E. and McLaughlin , M. J. 2001 . Root exudates of the hyperaccumulator Thlaspi caerulescens do not enhance metal mobilization . New Phytol. , 151 : 613 – 620 . [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Tessier , A. and Campbell , P. C. 1979 . Sequential extraction procedure for the speciation of particulate trace metals . Anal. Chem. , 51 : 844 – 851 . [CROSSREF]
   Web of Science ®Google Scholar