These transgenic mice express Cyan Fluorescent Protein (CFP) under the control of the mouse thymus cell antigen 1, theta, Thy1, promoter. CFP is specifically localized to the mitochondria by a human cytochrome c oxidase, subunit 8A (ubiquitous), targeting signal fused to the N-terminus. This mutant mouse strain may be useful in studies of mitochondrial transport.
This strain is discontinued. Search JAX® Mice Database under "Strain Name/Common Name" using the search term "Thy1-CFP/COX8A" for other transgenic strains available similar to this strain.
Robert Burgess, The Jackson Laboratory
Genetic Background | Generation |
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Allele Type |
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Transgenic (Reporter) |
These transgenic mice express Cyan Fluorescent Protein (CFP) under the control of the mouse thymus cell antigen 1, theta, Thy1, promoter. CFP is specifically localized to the mitochondria by a human cytochrome c oxidase, subunit 8A (ubiquitous), targeting signal fused to the N-terminus. Fluorescence is detected in many neuronal populations including retinal cells and in all motor axons. Coronal brain sections reveal a fluorescence pattern showing somatosensory cortex barrel morphology. Neuronal, mitochondrial and neuromuscular junction morphology appears normal in transgenic mice. Axonal mitochondrial density is similar to wildtype. Homozygotes are viable, fertile, normal in size and do not display any gross physical or behavioral abnormalities. This mutant mouse strain may be useful in studies of mitochondrial transport.
A transgenic construct containing the entire open reading frame of the Cyan Fluorescent Protein (CFP) gene fused in-frame with the mitochondrial targeting sequence of the human cytochrome c oxidase subunit 8A (ubiquitous) gene under the direction of regulatory elements derived from the mouse Thy1 gene was injected into fertilized B6CBA mouse eggs. Regulatory elements are composed of a 6.5 kb fragment obtained from the 5' portion of the Thy1 gene, extending from the promoter to the intron following exon 4. Exon 3 and its flanking introns are absent. The deleted sequences are required for expression in non-neural cells but not in neurons. The remainder of the sequence is required for neuronal expression. Founder line C1, corresponding to the published line C, was subsequently established. The mice were backcrossed for an unknown number of generations to C57BL/6 and then for 1 generation to C57BL/6J after arriving at The Jackson Laboratory.
Expressed Gene | COX8A, cytochrome c oxidase subunit 8A, human |
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Expressed Gene | CFP, Cyan Fluorescent Protein, jellyfish |
Site of Expression | mitochondria; many neuronal populations including retinal cells and all motor axons; coronal brain sections show pattern of somatosensory cortex barrel morphology |
Allele Name | transgene insertion C1, Jeff W Lichtman |
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Allele Type | Transgenic (Reporter) |
Allele Synonym(s) | Thy1-CFP-MitoC |
Gene Symbol and Name | Tg(Thy1-CFP/COX8A)C1Lich, transgene insertion C1, Jeff W Lichtman |
Gene Synonym(s) | |
Promoter | Thy1, thymus cell antigen 1, theta, mouse, laboratory |
Expressed Gene | COX8A, cytochrome c oxidase subunit 8A, human |
Expressed Gene | CFP, Cyan Fluorescent Protein, jellyfish |
Site of Expression | mitochondria; many neuronal populations including retinal cells and all motor axons; coronal brain sections show pattern of somatosensory cortex barrel morphology |
Strain of Origin | Not Applicable |
Chromosome | UN |
General Note | Founder line C1 corresponds to the published line C. |
Molecular Note | A transgenic construct containing the entire open reading frame of the Cyan Fluorescent Protein (CFP) gene fused in-frame with the mitochondrial targeting sequence of the human cytochrome c oxidase subunit 8A (ubiquitous) gene under the direction of regulatory elements derived from the mouse Thy1 gene was injected into fertilized donor mouse eggs. Regulatory elements are composed of a 6.5 kb fragment obtained from the 5' portion of the Thy1 gene, extending from the promoter to the intron following exon 4. Exon 3 and its flanking introns are absent. The deleted sequences are required for expression in non-neural cells but not in neurons. The remainder of the sequence is required for neuronal expression. Founder line C1, corresponding to the published line C, was subsequently established. |
Mutations Made By | Robert Burgess, The Jackson Laboratory |
When maintaining a live colony, these mice are bred as hemizygotes.
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