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| These ChAT(BAC)-eGFP transgenic mice allow fluorescent visualization of cholinergic elements of the central and peripheral nervous system and may be useful for studying cholinergic neurotransmission and neuromuscular coupling. | |||||||||||||||
Type Congenic; Mutant Strain; Transgenic; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Additional information on Congenic nomenclature. Mating System Homozygote x Homozygote (Female x Male) 17-JUL-09 Species laboratory mouse Generation N6+F2 (03-DEC-08) Donating Investigator Michael Kotlikoff, Cornell University Description
Mice hemizygous for the ChAT(BAC)-eGFP (ChATBAC-eGFP) transgene are viable and fertile, with the endogenous choline acetyltransferase (ChAT) transcriptional regulatory elements (cholinergic gene locus) directing enhanced green fluorescent protein (EGFP) protein expression during development as well as in the adult mouse. As such, EGFP is expressed in central and peripheral cholinergic neurons, including cell bodies and processes of the somatic motor, somatic sensory, and parasympathetic nervous system in gastrointestinal, respiratory, urogenital, cardiovascular, and other peripheral organ systems and neuromuscular junctions. These ChAT(BAC)-eGFP transgenic mice allow fluorescent visualization of cholinergic elements of the central and peripheral nervous system and may be useful for studying cholinergic neurotransmission and neuromuscular coupling.Development
The bacterial artificial chromosome (BAC) clone RP23-268L19 (containing the mouse choline acetyltransferase (ChAT) locus and approximately 78 kb of 3’- and 36 kb of 5’-flanking DNA), was modified to insert an enhanced green fluorescent protein (EGFP) gene with polyA sequence at the initiation codon in ChAT exon 3. The resulting BAC (ChATBAC-eGFP; with a single FRT site downstream of EGFP-polyA) was microinjected into the pronucleus of B6D2F2 fertilized mouse eggs. Transgenic mice were bred to C57BL/6J, and the resulting transgenic offspring (ChAT founder line 2) were established. These ChAT(BAC)-eGFP mice were backcrossed to C57BL/6J mice for at least 4 generations prior to arrival at The Jackson Laboratory. Upon arrival, mice were additionally backcrossed to C57BL/6J for at least one generation.
| Control | ||
|---|---|---|
| 000664 C57BL/6J | ||
| Considerations for Choosing Controls | ||
Fluorescent Protein Strains
View Fluorescent Protein Strains (225 strains)
Strains carrying other alleles of Chat
008364 B6;129-Chattm1(cre/Esr1)Nat/J 006410 B6;129S6-Chattm1(cre)Lowl/J View Strains carrying other alleles of Chat (2 strains)
Strains carrying other alleles of GFP
View Strains carrying other alleles of GFP (117 strains)
Fluorescent Proteins/lacZ Systems
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
GFP relatedNeurobiology Research
Fluorescent protein expression in neural tissue
Research Tools
Developmental Biology Research
transplantation marker for embryonic and adult tissue
Fluorescent Proteins
Genetics Research
Tissue/Cell Markers: astrocytes
Tissue/Cell Markers: astrocytes, neurons
Tissue/Cell Markers: dorsal CNS marker
Tissue/Cell Markers: glial cells
Tissue/Cell Markers: multiple
Tissue/Cell Markers: neurons
Tissue/Cell Markers: transplantation marker for embryonic and adult tissue
Neurobiology Research
cell marker
Research Tools
Fluorescent Proteins
| Allele Symbol | Tg(RP23-268L19-EGFP)2Mik | ||
|---|---|---|---|
| Allele Name | transgene insertion 2, Michael I Kotlikoff | ||
| Allele Type | Transgenic (Reporter) | ||
| Common Name(s) | ChAT line 2; ChAT(BAC)-eGFP; ChATBAC-eGFP; Tg(RP23-268L19-eGFP)Kot; | ||
| Mutation Made By | Michael Kotlikoff, Cornell University | ||
| Site of Expression | EGFP is expressed in central and peripheral cholinergic neurons, including cell bodies and processes of the somatic motor, somatic sensory, and parasympathetic nervous system in gastrointestinal, respiratory, urogenital, cardiovascular, and other peripheral organ systems and neuromuscular junctions. | ||
| 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. | |||
| Expressed Gene | Chat, choline acetyltransferase, mouse, laboratory | ||
| Promoter | Chat, choline acetyltransferase, mouse, laboratory | ||
| General Note | Transgenic lines were derived from two transgenic founder mice and designated line 2 and line 44. No apparent differences were observed in their systemic patterns of EGFP expression either by fluorescent imaging or by immunohistochemical analysis. | ||
| Molecular Note | The transgene consists of the bacterial artificial chromosome (BAC) clone 268L19 from the RP23 mouse genomic library, which contains the cholinesterase acetyltransferase (Chat) gene, in whose first intron resides the Sl18a3 (solute carrierfamily 18 (vesicular monoamine)) gene encoding the vesicular acetylcholine transporter (VAChT); ~78 kb of 5' and ~36 kb of 3' flanking DNA; and, inserted in place of the Chat translation initiation codon in exon 3, the enhanced green fluorescent protein (EGFP) gene followed by a polyadenylation signal. EGFP fluorescence is observed in cell bodies and processes of cholinergic neurons of both the central and peripheral nervous systems, including somatic motor and sensory neurons, parasympathetic neurons of various peripheral organ systems, and ganglionic neurons. Individual neuromuscular junctions of cardiac, skeletal and smooth muscle can be visualized. Individual gastrointestinal and respiratory mucosal epithelial cells and some associated lymphocytes also fluoresce. [MGI Ref ID J:114554] | ||
| Gene Symbol and Name | Tg(RP23-268L19-EGFP)2Mik, transgene insertion 2, Michael I Kotlikoff | ||
| Chromosome | UN | ||
| Gene Common Name(s) | ChAT line 2; ChAT(BAC)-eGFP; ChATBAC-eGFP; Tg(RP23-268L19-eGFP)Kot; | ||
Genotyping Protocols
Tg(RP23-268L19-EGFP)2Mik, Standard PCR
Helpful Links
Genotyping resources and troubleshooting
Tallini YN; Shui B; Greene KS; Deng KY; Doran R; Fisher PJ; Zipfel W; Kotlikoff MI. 2006. BAC transgenic mice express enhanced green fluorescent protein in central and peripheral cholinergic neurons. Physiol Genomics 27(3):391-7. [PubMed: 16940431] [MGI Ref ID J:114554]
Animal Health Reports
Room Number AX11
Colony Maintenance
Breeding & Husbandry When maintaining a live colony, homozygous ChAT(BAC)-eGFP mice may be bred together. Mating System Homozygote x Homozygote (Female x Male) 17-JUL-09 Diet Information LabDiet® 5K52/5K67
| Pricing for USA, Canada and Mexico shipping destinations |
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Weeks of Age Price (US dollars $) Gender Genotypes Provided Individual Mouse $209.90 Female or Male Homozygous for Tg(RP23-268L19-EGFP)2Mik
Pairs /Price (US dollars $) Pair Genotype $419.80 Homozygous for Tg(RP23-268L19-EGFP)2Mik x Homozygous for Tg(RP23-268L19-EGFP)2Mik
| Pricing for International shipping destinations |
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Weeks of Age Price (US dollars $) Gender Genotypes Provided Individual Mouse $272.90 Female or Male Homozygous for Tg(RP23-268L19-EGFP)2Mik
Pairs /Price (US dollars $) Pair Genotype $545.80 Homozygous for Tg(RP23-268L19-EGFP)2Mik x Homozygous for Tg(RP23-268L19-EGFP)2Mik
| Standard Supply | Repository-Live. A collection of over 1000 strains maintained as live colonies. Individual colonies are sized to meet current customer demand. Delivery for orders of 10 mice or less ranges on average from one to eight weeks; mice are generally shipped between four to six weeks of age with a maximum shipping age of approximately nine weeks. Colony sizes do not generally support stringent age specifications for large volumes of mice; however custom orders and larger quantities of mice are easily arranged. Estimated ship dates for all orders provided within two business days following order placement. |
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| Supply Notes |
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| Control | ||
|---|---|---|
| 000664 C57BL/6J | ||
| Considerations for Choosing Controls | ||
| USA, Canada and Mexico - Control Pricing Information for Genetically Engineered Mutant Strains. | ||
| International - Control Pricing Information for Genetically Engineered Mutant Strains. | ||
Purchasing Information
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| phone: | 207-288-6470 |
| fax: | 207-288-6655 |
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