ArticleCurrent microbiology2006
Purification and characterization of cadmium-binding protein from unicelluar alga Chlorella sorokinian.
Article in Current microbiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 18 citations in OpenAlex.
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4 authors at 1 institution in 1 country.
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Abstract
The unicellular green alga Chlorella sorokiniana ANA9 is highly resistant to heavy metals, and its metal-binding proteins are induced in the presence of cadmium. A novel cadmium-binding protein in C. sorokiniana cultured in 100 mg/l cadmium ions for 4 days was isolated and characterized. The crude protein extract was obtained by cell disruption and partly purified by ammonium sulfate precipitation. After purification by anion-exchange chromatography with diethylaminoethyl (DEAE)-Sepharose CL-6B, the protein was further purified by gel filtration with Sephacryl S-100, followed by Sephadex G-75. The molecular weight of the purified protein was determined to be 11.5 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The cadmium binding capacity of the purified protein was 119 microg/mg. The involvement of thiol coordination in metal-ion binding was confirmed by measuring the ultraviolet spectrum. This article is the first to describe the metallothionein-like cadmium-binding protein from Chlorella species, the expression of which is induced by cadmium exposure.
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