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| Mouse strains created by the Pleiades Promoter Project (Dr. Elizabeth M. Simpson, Centre for Molecular Medicine and Therapeutics, University of British Columbia, Canada) are now available through the Mutant Mouse Regional Resource Center (MMRRC) at The Jackson Laboratory. For the Ple103-EGFP/cre mice, please see MMRRC #032926 at the MMRRC website. | |||||||||||||||||||
| These mice have the Ple103-EGFP/cre transgene targeted as a single copy "knockin" into the upstream region of the Hprt locus on the X chromosome. The promoter/regulatory regions of the human HAP1 gene direct expression of an enhanced green fluorescent protein/Cre recombinase fusion protein. | |||||||||||||||||||
Former Names B6.129P2(Cg)-Hprttm14(Ple103-EGFP/cre)Ems/Mmjax (Changed: 19-OCT-10 ) Type Congenic; Mutant Strain; Targeted Mutation; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Additional information on Congenic nomenclature. Mating System Heterozygote x +/+ sibling (Female x Male) 13-FEB-10 Species laboratory mouse Generation N6pN1
Generation DefinitionsDonating Investigator Elizabeth Simpson, University of British Columbia Description
These Ple103-EGFP/cre;mEMS675 mice have the Ple103-EGFP/cre transgene targeted as a single copy "knockin" into the upstream region of hypoxanthine guanine phosphoribosyl transferase (Hprt) locus on the X chromosome. Heterozygous females and hemizygous males are viable and fertile, with the promoter/regulatory regions of the human huntingtin-associated protein 1 (HAP1) gene directing expression of an enhanced green fluorescent protein/Cre recombinase fusion protein (EGFPCre). These Ple103-EGFP/cre;mEMS675 mice may be useful in studying HAP1-expressing cells in the brain and diseases affecting the brain.For Ple103-EGFP/cre;mEMS675 expression information, see The Pleiades Promoter Project website (Ple103 Promoter (pEMS1083)).
The donating investigator reports:
When these Ple103-EGFP/cre;mEMS675 mice are bred to also harbor the Gt(ROSA)26Sortm1Sor reporter allele, weak Cre recombinase activity (βGal staining) is detected in a small but consistent population of cells in the brain. These occasional lacZ-positive cells are found throughout the brain; typically these cells are small and found in juxtaposition to blood vessels. Rare large lacZ-positive cells are detected in neuropil of the forebrain and midbrain. EGFP expression, however, was not detected in these brains by either native fluorescence or immunocytochemistry. The absence of EGFP expression and the small number of total cells labeled suggests the historical nature of the functional activation of the promoter at an earlier time in development.These mice were created and deposited by The Pleiades Promoter Project (Centre for Molecular Medicine and Therapeutics, University of British Columbia).
Development
The Ple103-EGFP/cre transgene (pEMS1083) was designed with the 877 bp Ple103 minipromoter (HAP1-A; derived from a segment of the basal promoter element of the human huntingtin-associated protein 1 (HAP1) gene) upstream of a minimal F5 mutant-frt site, an EGFP/Cre fusion protein (enhanced green fluorescent protein (with mutated stop) and Cre recombinase), a nuclear localization signal, a second minimal frt site, an SV40 early polyA signal, and a human HPRT complementary sequence (containing exon1, intron1, exon2, and part of intron2). This construct was targeted as a single copy knockin to the Hprtb-m3 mutant locus on the X chromosome via electroporation into mEMS21TG2a embryonic stem cells (derived from 129P2/OlaHsd-derived E14TG2a ES cells; a karyotypically male ES cell line harboring the Hprtb-m3 mutation on the X chromosome). Correctly targeted embryonic stem cells were microinjected into recipient mice cells. The resulting chimeric males (founder line mEMS675) were bred to B6.129S4-Gt(ROSA)26Sortm1Sor/J females (Stock No. 003474) to establish the mutant colony. These Ple103-EGFP/cre;mEMS675 mutant mice were bred with C57BL/6J wildtype mice for six generations. Black mice without the Gt(ROSA)26Sortm1Sor mutation were sent to The Jackson Laboratory. Upon arrival, Ple103-EGFP/cre;mEMS675 mutant mice were used to cryopreserve sperm. When rederiving a live colony, sperm will be used along with oocytes from C57BL/6J inbred mice (Stock No. 000664) to generate obligate heterozygous females, and these females will be bred at least one generation to C57BL/6J inbred mice to establish the colony.For more information, see The Pleiades Promoter Project website (Ple103 Promoter (pEMS1083)).
| Control | ||
|---|---|---|
| Wild-type from the colony | ||
| 100492 B6129PF1/J | (approximate) | |
| Considerations for Choosing Controls | ||
Fluorescent Protein Strains
View Fluorescent Protein Strains (345 strains)
Pleiades Promoter Project cre strains
View Pleiades Promoter Project cre strains (5 strains)
Pleiades Promoter Project GFP strains
View Pleiades Promoter Project GFP strains (25 strains)
Strains carrying other alleles of GFP
View Strains carrying other alleles of GFP (238 strains)
Strains carrying other alleles of Hprt
View Strains carrying other alleles of Hprt (49 strains)
Fluorescent Proteins/lacZ Systems
Introduction to Cre-lox technology
View Mammalian Phenotype Terms
Mammalian Phenotype Terms provided by MGI
assigned by genotype
Hprttm14(Ple103-EGFP/cre)Ems/Y
B6.129P2(129S4)-Hprttm14(Ple103-EGFP/cre)Ems
- normal phenotype
- no abnormal phenotype detected
- heterozygous females and hemizygous males are viable and fertile (MGI Ref ID J:145689)
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
GFP relatedNeurobiology Research
Cre-lox System
Cre Recombinase expression in neural tissue
Fluorescent protein expression in neural tissue
Research Tools
Cre-lox System
Cre Recombinase Expression
Developmental Biology Research
Cre-lox System
Fluorescent Proteins
Genetics Research
Mutagenesis and Transgenesis
Mutagenesis and Transgenesis: Cre-lox System
Tissue/Cell Markers
Tissue/Cell Markers: Cre-lox System
Tissue/Cell Markers: neurons
Neurobiology Research
cell marker
Research Tools
Fluorescent Proteins
| Allele Symbol | Hprttm14(Ple103-EGFP/cre)Ems | ||
|---|---|---|---|
| Allele Name | targeted mutation 14, Elizabeth M Simpson | ||
| Allele Type | Targeted (knock-in) | ||
| Common Name(s) | HAP1-EGFP/cre; Hprt1tm14(Ple103-EGFPcre;mEMS675)Ems; Hprt1tm14(mEMS675)Ems; Ple103; | ||
| Strain of Origin | 129P2/OlaHsd | ||
| Expressed Gene | GFP, Green Fluorescent Protein, jellyfish | ||
| Green Fluorescent Protein (GFP), derived from the jellyfish Aequorea victoria, is a versatile reporter molecule which has found use in many biological applications. In some constructs the original molecule has been modified in order to enhance its fluorescence intensity (EGFP, enhanced GFP). When utilized in a transgenic construct, tissue expressing sufficient amounts of GFP will fluoresce when exposed to a 488 nm light source. | |||
| Associated Marker Note | Expressed-count: 2Ex1-Source: JellyfishEx1-Gene: EGFPEx2-Source: Bacteriophage P1Ex2-Gene: creDriver-count: 1Dr1-Source: HumanDr1-Gene: 9001 | ||
| Driver Note | HAP1 | ||
| General Note | Germ line transmission of mutant cell line mEMS675 has been established. | ||
| Molecular Note | The Ple103-EGFP/cre transgene (pEMS1083) was designed with the 877 bp Ple103 minipromoter (HAP1-A; derived from a segment of the basal promoter element of the human huntingtin-associated protein 1 (HAP1) gene) upstream of a minimal F5 mutant-frt site, an EGFP/Cre fusion protein (enhanced green fluorescent protein (with mutated stop) and Cre recombinase), a nuclear localization signal, a second minimal frt site, an SV40 early polyA signal, and a human HPRT complementary sequence (containing exon1, intron1, exon2, and part of intron2). This construct was targeted as a single copy knockin to the Hprtsb-m3 mutant locus on the X chromosome. [MGI Ref ID J:144244] [MGI Ref ID J:164356] | ||
| Gene Symbol and Name | Hprt, hypoxanthine guanine phosphoribosyl transferase | ||
| Chromosome | X | ||
| Gene Common Name(s) | C81579; HGPRT; Hgprtase; Hprt1; expressed sequence C81579; hypoxanthine guanine phosphoribosyl transferase 1; | ||
Genotyping Protocols
Gt(ROSA)26Sortm1sor STD, Robotic STD
Gt(ROSA)26Sortm1sor STD, Standard PCR
Helpful Links
Genotyping resources and troubleshooting
Hprttm14(Ple103-EGFP/cre)Ems relatedPortales-Casamar E; Swanson DJ; Liu L; de Leeuw CN; Banks KG; Ho Sui SJ; Fulton DL; Ali J; Amirabbasi M; Arenillas DJ; Babyak N; Black SF; Bonaguro RJ; Brauer E; Candido TR; Castellarin M; Chen J; Chen Y; Cheng JC; Chopra V; Docking TR; Dreolini L; D'Souza CA; Flynn EK; Glenn R; Hatakka K; Hearty TG; Imanian B; Jiang S; Khorasan-zadeh S; Komljenovic I; Laprise S; Liao NY; Lim JS; Lithwick S; Liu F; Liu J; Lu M; McConechy M; McLeod AJ; Milisavljevic M; Mis J; O'Connor K; Palma B; Palmquist DL; Simpson EM:. 2010. A regulatory toolbox of MiniPromoters to drive selective expression in the brain. Proc Natl Acad Sci U S A 107(38):16589-94. [PubMed: 20807748] [MGI Ref ID J:164356]
The Pleiades Promoter Project. 2009. Generation of reporter and cre-expressing targeted transgenic mice in the Hprt1 gene using human MiniPromoters that drive region- and cell-specific gene expression in the mouse brain MGI Direct Data Submission :. [MGI Ref ID J:145689]
Yang GS; Banks KG; Bonaguro RJ; Wilson G; Dreolini L; de Leeuw CN; Liu L; Swanson DJ; Goldowitz D; Holt RA; Simpson EM. 2009. Next generation tools for high-throughput promoter and expression analysis employing single-copy knock-ins at the Hprt1 locus. Genomics 93(3):196-204. [PubMed: 18950699] [MGI Ref ID J:144244]
Colony Maintenance
Breeding & Husbandry The donating investigator recommends maintaining this strain by breeding heterozygous females with C57BL/6J inbred males (Stock No. 000664). Mating System Heterozygote x +/+ sibling (Female x Male) 13-FEB-10
This strain is currently Transferred.
| Control | ||
|---|---|---|
| Wild-type from the colony | ||
| 100492 B6129PF1/J | (approximate) | |
| Considerations for Choosing Controls | ||
| Control Pricing Information for Genetically Engineered Mutant Strains. | ||
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| fax: | 207-288-6655 |
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