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| Nomenclature |
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Symbol:
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Fmr1tm1Usdn
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Name:
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fragile X mental retardation syndrome 1;
targeted mutation 1, Karen Usdin
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MGI ID: |
MGI:3711215 |
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Synonyms: |
Fmr1PM |
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Gene:
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Fmr1
Location:
ChrX:68678541-68717963 bp, + strand
Genetic Position: ChrX,
34.83 cM
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Mutation origin |
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Germline Transmission:
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Earliest citation of germline transmission:
J:121413
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Parent Cell Line:
| TC1/TC-1 (ES Cell) |
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Strain of Origin:
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129S6/SvEvTac
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Mutation description |
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Allele
Type: | |
Targeted (knock-in) |
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Mutation: | |
Insertion |
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Mutation details: The (CGG)6 repeats in exon 1 were replaced with two different Sfi 1 sites and these sites were used to insert a premutation-sized repeat tract that was generated by serial ligation of short, stable CGG.GCC-repeat. In addition a 38LoxP vector containing a loxP flanked neomycin resistance cassette was inserted into intron 1. Crossing with mice expressing cre in the germline removed the neo cassette. These mice contain large repeat expansions that transform a premutation-sized allele into a full mutation sized allele in a single generation. (J:121413)
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Phenotypes
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View phenotypes for all genotypes (concatenated display).
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Disease models
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| Find Mice (IMSR) |
Mouse strains and cell lines available from the
International Mouse Strain Resource
(IMSR)
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Carrying this Mutation: |
Mouse Strains: 0 strains available
Cell Lines: 0 lines available |
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Carrying any Fmr1 Mutation:
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21 strains or lines available |
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| References |
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Original: |
J:121413
Entezam A et al.,
"Regional FMRP deficits and large repeat expansions into the full mutation range in a new Fragile X premutation mouse model."
Gene 2007 Jun 15;395(1-2):125-34
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All: |
4 reference(s)
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