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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 7353

Paola Irato, Ester Piccinni, Peter James, and Dieter Ammermann; Evidence of a Cadmium-Thionein and the Glycine Cleavage System in Oxytricha granulifera. J.Eukaryot.Microbiol. 42(4):376-378, 1995

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This work presents the further purification of a Cd-linking protein in Oxytricha granulifera by reverse-phase chromatography. This protein contains 25% cysteine and no aromatic amino acid. It may be considered as a chelatin with some similarity to metallothioneins. During the purification of another Cd-linking compound, we were able to demonstrate that the H protein precursor of glycine cleavage is present in Oxytricha. This is the first finding of the presence of this system in Protozoa.