期刊
TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
卷 99, 期 5-6, 页码 913-925出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02772248.2017.1284850
关键词
Cadmium (Cd); chemical forms; reactive oxygen species (ROS); Salix matsudana Koidz; tissue fractionation
资金
- National Natural Science Foundation of China [30972331]
This study deals with the characterisation of early responses of roots of Salix matsudana in respect to oxidative stress, subcellular distribution, and chemical forms when exposed to 50 mol/L Cd. Within 12 h, the root length is reduced and the contents of O-2(center dot-), H2O2, and malondialdehyde are increased by 49%, 43%, and 35%. Cd is mainly retained in the cell walls; small amounts are distributed into other cell organelles. The largest proportion of Cd is found in the NaCl extractable, pectate-, and protein-integrated fraction.
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