Characterization of Cadmium Accumulation in Willow as a Woody Metal Accumulator Using Synchrotron Radiation-Based X-Ray Microanalyses | Zendy

Emiko Harada | Zendy; Akiko Hokura | Zendy; Saori Takada | Zendy; K. Baba | Zendy; Yasuko Terada | Zendy; Izumi Nakai | Zendy; Kazufumi Yazaki | Zendy

Open Access

Characterization of Cadmium Accumulation in Willow as a Woody Metal Accumulator Using Synchrotron Radiation-Based X-Ray Microanalyses

Author(s) -

Emiko Harada,

Akiko Hokura,

Saori Takada,

K. Baba,

Yasuko Terada,

Izumi Nakai,

Kazufumi Yazaki

Publication year - 2010

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pcq039

Subject(s) - willow , cadmium , synchrotron radiation , metal , hyperaccumulator , x ray , accumulator (cryptography) , characterization (materials science) , botany , materials science , chemistry , environmental science , physics , phytoremediation , optics , heavy metals , biology , environmental chemistry , metallurgy , computer science , algorithm

Trees that accumulate metals are important plants for restoring contaminated soil because of their high biomass. We examined the cadmium (Cd) tolerance and growth rate of six willow (Salix) species common in Japan. To characterize in detail the localization of Cd and its ligands, synchrotron radiation-based micro X-ray fluorescence analysis was used. This revealed the accumulation of cadmium at the tips of the serrations in leaves, and the phellogen and/or the phelloderm under the stem surface. micro-X-ray absorption near edge structure spectra of Cd in all the accumulation sites were similar to that of the Cd ion coordinated by O ligands in S. gilgiana.

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