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Type Congenic; Mutant Stock; Mutant Strain; Transgenic; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Additional information on Congenic nomenclature. Species laboratory mouse Generation N?+F0pN1
Generation DefinitionsDonating Investigator Ian McLennan, University of Otago Description
Mice homozygous for the transgene are viable, fertile, normal in size and do not display any gross physical or behavioral abnormalities. These transgenic mice express Enhanced Green Fluorescent Protein (EGFP) and a truncated dominant-negative mouse transforming growth factor, beta receptor II (Tgfbr2) under the control of a bidirectional tetracycline transactivator responsive promoter (TRE; tetO). No fluorescence is observed in the tissues of this mutant. Primary cultures derived from ear biopsies exhibit green fluorescence when transfected with a tetracycline transactivator (tTA; "Tet-off") vector. When these transgenic mice are bred with other transgenic mice expressing reverse tetracycline-controlled transactivator protein (rtTA) or tetracycline-controlled transactivator protein (tTA), tissue-specific EGFP and dominant-negative Tgfbr2 transgene expression can be regulated with the tetracycline analog, doxycycline. This mutant mouse strain may be useful in studies of TGF-beta signaling.Development
A transgenic construct containing an Enhanced Green Fluorescent Protein gene and a truncated mouse transforming growth factor, beta receptor II gene under the control of the a bidirectional tetracycline-responsive promoter (TRE; tetO) was microinjected into fertilized FVB/N oocytes. Founder line 8 (H) was subsequently established. The mice were then backcrossed to the C57BL/6 background for 5 generations.
| Control | ||
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| 000664 C57BL/6J | ||
| Considerations for Choosing Controls | ||
Fluorescent Protein Strains
View Fluorescent Protein Strains (345 strains)
Strains carrying other alleles of GFP
View Strains carrying other alleles of GFP (238 strains)
Strains carrying other alleles of tetO
View Strains carrying other alleles of tetO (80 strains)
Fluorescent Proteins/lacZ Systems
Tet Expression Systems
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
GFP relatedResearch Tools
Cell Biology Research
Fluorescent Proteins
Genetics Research
Tissue/Cell Markers
Immunology and Inflammation Research
Tet Expression Systems
tTA/rtTA Responsive Strains
Research Tools
Fluorescent Proteins
| Allele Symbol | Tg(tetO-EGFP,-Tgfbr2)8Mcle | ||
|---|---|---|---|
| Allele Name | transgene insertion 8, Ian S McLennan | ||
| Allele Type | Transgenic (Reporter) | ||
| Common Name(s) | PTR; PTR (line 8); PTRh; | ||
| Mutation Made By | Ian McLennan, University of Otago | ||
| Strain of Origin | FVB/N | ||
| Site of Expression | Primary cultures derived from ear biopsies exhibit green fluorescence when transfected with a tetracycline transactivator (Tet-off) vector. When bred with another transgenic mouse expressing rtTA or tTA to create a bitransgenic animal, tissue specific EGFP & dominant-negative mouse mouse transforming growth factor, beta receptor II transgene expression can be regulated with the tetracy | ||
| 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. | |||
| Promoter | tetO, tet operator, | ||
| General Note | Of 17 transgenic mice derived from microinjected oocytes, 6 yielded cell cultures that strongly expressed EGFP upon transfection with a tetracycline transactivator- (tTA-; "tet-off") expressing plasmid. Offspring of two transgenic founder lines, designated by the authors PTRe and PTRh, by tTA transgenic mice were subjected to further expression analysis. | ||
| Molecular Note | The transgene comprises a bidirectional tetracycline transactivator responsive promoter (tetO) between an enhanced green fluorescent protein gene with a polyadenylation (poly[A]) signal derived from simian virus 40 (SV40) and a truncated transforming growth factor, beta receptor II cDNA with a c-Myc epitope tag and a beta-globin gene-derived poly[A] signal. The encoded TGFBR2 protein, which lacks the intracellular kinase domain, functions as a dominant negative receptor, disrupting TGFbeta signaling. Tissues of transgenic mice do not fluoresce. Coordinate expression of EGFP and dominant-negative TGFBR2 can be regulated in a tissue-specific manner in bitransgenic mice with this and a tetracycline transactivator (tTA; "tet-off") or reverse transactivator (rtTA; "tet-on") transgene by administration/withdrawal of the tetracycline analog doxycycline. [MGI Ref ID J:109835] | ||
| Gene Symbol and Name | Tg(tetO-EGFP,-Tgfbr2)8Mcle, transgene insertion 8, Ian S McLennan | ||
| Chromosome | UN | ||
| Gene Common Name(s) | PTR; PTR (line 8); PTRh; | ||
Genotyping Protocols
Fluorescent Proteins (Generic GFP), Melt Curve Analysis
Fluorescent Proteins (Generic GFP), Standard PCR
Fluorescent Proteins -- Generic GFP, QPCR
Helpful Links
Genotyping resources and troubleshooting
Frugier T; Koishi K; Matthaei KI; McLennan IS. 2005. Transgenic mice carrying a tetracycline-inducible, truncated transforming growth factor beta receptor (TbetaRII). Genesis 42(1):1-5. [PubMed: 15828000] [MGI Ref ID J:109835]
Animal Health Reports
Production of mice from cryopreserved embryos or sperm occurs in a maximum barrier room, RG10/RG30.Colony Maintenance
Breeding & Husbandry When maintaining a live colony, these mice are bred as homozygotes.
| Pricing for USA, Canada and Mexico shipping destinations |
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Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $1980.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.
Supply Notes
- Cryorecovery - Standard.
We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. The total number of animals provided, their gender and genotype will vary. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 13 and 16 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
| Pricing for International shipping destinations |
|
![]() |
Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $2574.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.
Supply Notes
- Cryorecovery - Standard.
We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. The total number of animals provided, their gender and genotype will vary. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 13 and 16 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
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Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.
| Control | ||
|---|---|---|
| 000664 C57BL/6J | ||
| Considerations for Choosing Controls | ||
| Control Pricing Information for Genetically Engineered Mutant Strains. | ||
| phone: | 207-288-6470 |
| fax: | 207-288-6655 |
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