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Cited by 181

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Effects of bacteria on enhanced metal uptake of the Cd/Zn-hyperaccumulating plant, Sedum alfredii

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Li, W. C., Ye, Z. H., Wong, M. H.·2007·Journal of Experimental Botany
DOI 10.1093/jxb/erm274
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Abstract

To investigate the effects of bacteria (Burkholderia cepacia) on metal uptake by the hyperaccumulating plant, Sedum alfredii, a hydroponic experiment with different concentrations of Cd and Zn was conducted. It was found that inoculation of bacteria on S. alfredii significantly enhanced plant growth (up to 110% with Zn treatment), P (up to 56.1% with Cd treatment), and metal uptake (up to 243% and 96.3% with Cd and Zn treatment, respectively) in shoots, tolerance index (up to 134% with Zn added treatment), and better translocation of metals (up to 296% and 135% with Cd and Zn treatment, respectively) from root to shoot. In the ampicillin added treatment with metal addition, stimulation of organic acid production (up to an increase of 133% of tartaric acid with Cd treatment) by roots of S. alfredii was observed. The secretion of organic acids appears to be a functional metal resistance mechanism that chelates the metal ions extracellularly, reducing their uptake and subsequent impacts on root physiological processes.

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Metadata

Authors
Li, W. C., Ye, Z. H., & Wong, M. H.
Venue
Journal of Experimental Botany
Publisher
Oxford University Press (OUP)
Published
2007-11-26
Volume
58
Issue
15-16
Pages
4173-4182
ISSN
  • 0022-0957 (ISSN-L)
  • 1460-2431
DOI
10.1093/jxb/erm274
OpenAlex
W2132795225
Cited by
181
References
1
FWCI
6.16
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Effects of bacteria on enhanced metal uptake of the Cd/Zn-hyperaccumulating plant, Sedum alfredii. https://app.cochat.ai/papers/10.1093/jxb/erm274
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Li, W. C., Ye, Z. H., & Wong, M. H. (2007). Effects of bacteria on enhanced metal uptake of the Cd/Zn-hyperaccumulating plant, Sedum alfredii. Journal of Experimental Botany. https://doi.org/10.1093/jxb/erm274

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