A yeast model for the study of Batten disease
1998
Pearce, D.A. | Sherman, F.
Although the CLN3 gene for Batten disease, the most common inherited neurovisceral storage disease of childhood, was identified in 1995, the function of the corresponding protein still remains elusive. We previously cloned the Saccharomyces cerevisiae homologue to the human CLN3 gene, designated BTN1, which is not essential and whose product is 39% identical and 59% similar to Cln3p. We report that btnl1-Delta deletion yeast strains are more resistant to D-(-)-threo-2-amino-1-[p-nitrophenyl]-1,3-propanediol (denoted ANP), a phenotype that is complemented in yeast by the human CLN3 gene. Furthermore, the severity of Batten disease in humans and the degree of ANP resistance in yeast are related when the equivalent amino acid replacements in Cln3p and Btn1p are compared. These results indicate that yeast can be used as a model for the study of Batten disease.
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