Accumulation and localization of cadmium in moso bamboo (Phyllostachys pubescens) grown hydroponically

• Autorzy: Li S. , Islam F. , Peng D. , Chen J. , Wang Y. , Wu Y. , Ye Z. , Yan W. , Lu K. , Liu D.
• Języki publikacji: EN

Abstrakty

EN

Hydroponics experiment was conducted to identify cadmium (Cd) tolerance and phytoextraction potential of moso bamboo (Phyllostachys pubescens) seedlings grown under different levels of Cd. Application of Cd adversely affected the overall growth and ultrastructural characteristics of moso bamboo. At the highest Cd concentration (400 lM), the growth of moso bamboo seedlings was significantly inhibited, and Cd concentrations in leaves, stems and roots reached the maximum of 25.6, 129.8 and 377 mg kg-1, respectively. Scanning electron microscopy (SEM) revealed that the excessive Cd concentrations caused formation of abundant inclusions in the root and stem. The ultrastructural analysis using transmission electron microscopy (TEM) showed that the excessive Cd concentrations caused abnormal-shaped chloroplasts, disappearance of endoplasmic reticulum, and shrinkage of nucleus and loss of thylakoid membranes. It is suggested that use of moso bamboo as experimental material provides a new perspective for remediation of heavy metal-contaminated soil due to its deep root system and larger biomass. However, mechanisms of Cd uptake and accumulation as well as metal interactions within the plant cell need to be investigated further.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2015
• Tom: 37
• Numer: 03
• Opis fizyczny: Article: 56 [7 p.], fig.,ref.

Twórcy

autor

Li S.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Islam F.

• Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalahad 38000, Pakistan

autor

Peng D.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Chen J.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Wang Y.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Wu Y.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Ye Z.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Yan W.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Lu K.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

autor

Liu D.

• Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A and F University, Lin'an 311300, Zhejang, China

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Identyfikatory

DOI

10.1007/s11738-015-1801-3