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A Single Nucleotide Difference in the Gene for Myelin Proteolipid Protein Defines the Jimpy Mutation in Mouse
| Content Provider | Scilit |
|---|---|
| Author | Nave, Klaus-Armin Bloom, Floyd E. Milner, Robert J. Bloom, E. |
| Copyright Year | 1987 |
| Description | Journal: Journal of Neurochemistry We have previously shown that, in the myelin-deficient jimpy mutant mouse, 74 nucleotides are absent from the mRNA for proteolipid protein (PLP) as a result of aberrant RNA processing. To define the exact site of the jimpy mutation, we have analyzed the PLP gene obtained from a jimpy mouse genomic library. We find that the nucleotide sequence that is absent from jimpy PLP mRNA is fully preserved in the jimpy PLP gene. The missing segment corresponds to a separate exon, equivalent to exon 5 of the human PLP gene. The nucleotide sequence at the 3' end of intron 4 in the jimpy PLP gene contains a single point mutation. A base change A----G in the 3' acceptor splice site has altered a position that is 100% conserved in all published splice acceptor sequences. We conclude that the primary genetic defect of the jimpy mouse is a single base change in the PLP gene disabling an invariant recognition sequence of RNA splicing. |
| Related Links | http://onlinelibrary.wiley.com/doi/10.1111/j.1471-4159.1987.tb02449.x/pdf |
| Ending Page | 1877 |
| Page Count | 5 |
| Starting Page | 1873 |
| e-ISSN | 14714159 |
| DOI | 10.1111/j.1471-4159.1987.tb02449.x |
| Journal | Journal of Neurochemistry |
| Issue Number | 6 |
| Volume Number | 49 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 1987-12-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Neurochemistry Proteolipid Protein |
| Content Type | Text |
| Resource Type | Article |