Cadmium and zinc activate adaptive mechanisms in Nicotiana tabacum similar to those observed in metal tolerant plants

Cadmium and zinc activate adaptive mechanisms in Nicotiana tabacum similar to those observed in... Planta (2017) 246:433–451 DOI 10.1007/s00425-017-2700-1 O R I G IN AL ARTI CL E Cadmium and zinc activate adaptive mechanisms in Nicotiana tabacum similar to those observed in metal tolerant plants 1 1 1,2 • • • Rosario Vera-Estrella Marı´aF. Go´mez-Me´ndez Julio C. Amezcua-Romero 3 1 1 • • Bronwyn J. Barkla Paul Rosas-Santiago Omar Pantoja Received: 6 January 2017 / Accepted: 22 April 2017 / Published online: 28 April 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract osmolarity. Heavy metal-dependent H transport across the Main conclusion Tobacco germinated and grew in the vacuole membrane was monitored using quinacrine fluo- presence of high concentrations of cadmium and zinc rescence quenching. Cadmium- or zinc-dependent fluo- without toxic symptoms. Evidence suggests that these rescence recovery revealed that increasing concentrations ions are sequestered into the vacuole by heavy metal/H of heavy metals stimulated the activities of the tonoplast 2? 2? ? exchanger mechanisms. Cd or Zn /H exchangers. Immunodetection of the V-ATPase subunits showed that the increased proton Heavy metal hyperaccumulation and hypertolerance are transport by zinc was not due to changes in protein amount. traits shared by a small set of plants which show special- MTP1 and MTP4 immunodetection and semiquantitative ized physiological http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Planta Springer Journals

Cadmium and zinc activate adaptive mechanisms in Nicotiana tabacum similar to those observed in metal tolerant plants

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Life Sciences; Plant Sciences; Agriculture; Ecology; Forestry
ISSN
0032-0935
eISSN
1432-2048
D.O.I.
10.1007/s00425-017-2700-1
Publisher site
See Article on Publisher Site

Abstract

Planta (2017) 246:433–451 DOI 10.1007/s00425-017-2700-1 O R I G IN AL ARTI CL E Cadmium and zinc activate adaptive mechanisms in Nicotiana tabacum similar to those observed in metal tolerant plants 1 1 1,2 • • • Rosario Vera-Estrella Marı´aF. Go´mez-Me´ndez Julio C. Amezcua-Romero 3 1 1 • • Bronwyn J. Barkla Paul Rosas-Santiago Omar Pantoja Received: 6 January 2017 / Accepted: 22 April 2017 / Published online: 28 April 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract osmolarity. Heavy metal-dependent H transport across the Main conclusion Tobacco germinated and grew in the vacuole membrane was monitored using quinacrine fluo- presence of high concentrations of cadmium and zinc rescence quenching. Cadmium- or zinc-dependent fluo- without toxic symptoms. Evidence suggests that these rescence recovery revealed that increasing concentrations ions are sequestered into the vacuole by heavy metal/H of heavy metals stimulated the activities of the tonoplast 2? 2? ? exchanger mechanisms. Cd or Zn /H exchangers. Immunodetection of the V-ATPase subunits showed that the increased proton Heavy metal hyperaccumulation and hypertolerance are transport by zinc was not due to changes in protein amount. traits shared by a small set of plants which show special- MTP1 and MTP4 immunodetection and semiquantitative ized physiological

Journal

PlantaSpringer Journals

Published: Apr 28, 2017

References

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