Abstract
The acute toxicity of Sodium dodecylbenzene sulfonate (SDBS) to subcamersed macrophyte Hydrilla verticillata (L.f) Royle was studied. Chlorophyll contents and the activities of 3 antioxidant enzymes: superoxide dismutase (SOD, EC 1.15.1.1), catalase (CAT, EC 1.11.1.6), peroxidase (POD, EC 1.11.1.7) in the leaves were investigated under different concentrations of SDBS, The chlorophyll contents in leaves of experimental plants decreased gradually, while the electrical conductivity of culture solution increased gradually with the increased dose of SDBS. Under higher concentrations of SDBS (32 mg/L and 128 mg/L) treatment, SOD lost its activities completely after 24 h. The native PAGE analysis indicated the diversity of POD isoenzymes was obvious under different concentrations of SDBS stress.
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Foundation item: Supported by the National Natural Science Foundation of China (39925007), the National High Technology Research and Development Program of China (863 Program) (2002AA601021) and the Knowledge Innovation Program Key Project of Chinese Academy Sciences (KSCX2-SW-102)
Biography: ZHAO Qiang (1978–), male. Ph.D. candidate, research direction: environment biology.
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Zhao, Q., Wu, Z., Cheng, S. et al. Response of a submersed macrophyte Hydrilla verticillata (L.f) Royle, to Sodium dodecylbenzene sulfonate stress. Wuhan Univ. J. Nat. Sci. 13, 221–226 (2008). https://doi.org/10.1007/s11859-008-0218-x
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DOI: https://doi.org/10.1007/s11859-008-0218-x