These Uba6flox/flox mutant mice possess loxP sites flanking exons 16-17 of the targeted gene. This strain may be useful for studying the regulation of protein homeostasis during development.
Wade Harper, Harvard University
Genetic Background | Generation |
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|
Allele Type | Gene Symbol | Gene Name |
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Targeted (Conditional ready (e.g. floxed), No functional change) | Uba6 | ubiquitin-like modifier activating enzyme 6 |
These Uba6flox/flox mutant mice possess loxP sites flanking exons 16-17 of the ubiquitin-like modifier activating enzyme 6 (Uba6) gene. Uba6 (E1) is part of the ubiquitin proteasome system (UPS) which regulates protein homeostasis during development. Complete UBA6 deficiency leads to embryonic arrest by E5.5. Mice that are homozygous for this floxed-allele are viable and fertile. When bred to mice that express tissue-specific Cre recombinase, resulting offspring will have exons 3-6 deleted in the cre-expressing tissues.
For example, when bred to B6.Cg-Tg(Nes-cre)1Kln/J mice (Stock No. 003771), resulting mice lack neuronal UBA6 and display altered neuronal patterning in the hippocampus and the amygdala, decreased dendritic spine density, and numerous behavioral disorders. They also contain altered levels of ubiquitin protein ligase E3A (Ube3a) and SH3/ankyrin domain gene 3 (Shank3) spine proteins.
A targeting vector was designed to insert a loxP site upstream of exon 16, and a second loxP site, followed by a frt-flanked neomycin resistance (neo) cassette, downstream of exon 17 of the ubiquitin-like modifier activating enzyme 6 (Uba) gene. The construct was electroporated into (C57BL/6 x 129/SvEv)F1-derived BA1 embryonic stem (ES) cells. Correctly targeted ES cells were injected into blastocysts and resulting chimeric mice were bred to C57BL/6 mice for at least 5 generations. Upon arrival, mice were bred to C57BL/6J inbred mice (Stock No. 000664) for at least one generation to establish the colony.
Allele Name | targeted mutation 1, Wade Harper |
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Allele Type | Targeted (Conditional ready (e.g. floxed), No functional change) |
Allele Synonym(s) | Uba6flox |
Gene Symbol and Name | Uba6, ubiquitin-like modifier activating enzyme 6 |
Gene Synonym(s) | |
Strain of Origin | (C57BL/6NTac x 129S6/SvEvTac)F1 |
Chromosome | 5 |
Molecular Note | A targeting vector was designed to insert a loxP site upstream of exon 16. A second loxP site, followed by a FRT-flanked neomycin resistance (neo) cassette, was inserted downstream of exon 17. |
When maintaining a live colony, homozygous mice may be bred together.
When using the B6.Cg-Uba6tm1Whpr/J mouse strain in a publication, please cite the originating article(s) and include JAX stock #021506 in your Materials and Methods section.
Facility Barrier Level Descriptions
Service/Product | Description | Price |
---|---|---|
Heterozygous for Uba6<tm1.1Whpr> |
Frozen Mouse Embryo | B6.Cg-Uba6<tm1Whpr>/J Frozen Embryo | $2595.00 |
Frozen Mouse Embryo | B6.Cg-Uba6<tm1Whpr>/J Frozen Embryo | $2595.00 |
Frozen Mouse Embryo | B6.Cg-Uba6<tm1Whpr>/J Frozen Embryo | $3373.50 |
Frozen Mouse Embryo | B6.Cg-Uba6<tm1Whpr>/J Frozen Embryo | $3373.50 |
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The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project. We do not guarantee breeding performance and therefore suggest that investigators order more than one breeding pair to avoid delays in their research.
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