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Heo DH, et al. (2012) Cd2+ binds to Atx1 and affects the physical interaction between Atx1 and Ccc2 in Saccharomyces cerevisiae. Biotechnol Lett 34(2):303-7
Abstract: The ATX1 deletion strain of Saccharomyces cerevisiae is more resistant to Cd(2+) than the wild-type. To investigate the function of Atx1 in Cd(2+) toxicity, we used a metal-binding assay to study the interaction between Atx1 and Cd(2+) in vitro. Using circular dichroism and two-hybrid analyses, we found that Atx1 can bind Cd(2+) specifically and that Cd(2+) binding to Atx1 affects the physical interaction between Atx1 and Ccc2. These results imply that Atx1 delivers Cd(2+) to Ccc2 and that this delivery is, at least in part, responsible for Cd(2+) toxicity in S. cerevisiae.
| Status: Published | Type: Journal Article | PubMed ID: 22009569 |
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