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  • Title: An AG----GG transition at a splice site in the myelin proteolipid protein gene in jimpy mice results in the removal of an exon.
    Author: Macklin WB, Gardinier MV, King KD, Kampf K.
    Journal: FEBS Lett; 1987 Nov 02; 223(2):417-21. PubMed ID: 2444462.
    Abstract:
    The myelin proteolipid protein gene was characterized in jimpy mice to identify the specific mutation that produces dysmyelination, oligodendrocyte cell death, and death of the animal by 30 days of age. Exon 5 and flanking intron segments were isolated from jimpy proteolipid protein genomic clones and sequenced. A single nucleotide difference was noted between the normal and jimpy proteolipid protein genes: the conversion of an AG/GT to a GG/GT in the splice acceptor signal preceding exon 5, which apparently destroys the splice signal. Thus, exon 5 of the mouse myelin proteolipid protein gene is skipped during the processing of mRNA, producing a shortened proteolipid protein mRNA.
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