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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Tg(Per2-luc)1Jt
transgene insertion 1, Joseph S Takahashi
MGI:4357865
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
cx1
 		Fbxl21Psttm/Fbxl21Psttm
Tg(Per2-luc)1Jt/0 		involves: C57BL/6J MGI:5484572


Genotype
MGI:5484572
cx1
Allelic
Composition		 Fbxl21Psttm/Fbxl21Psttm
Tg(Per2-luc)1Jt/0
Genetic
Background		 involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fbxl21Psttm mutation (1 available); any Fbxl21 mutation (25 available)
Tg(Per2-luc)1Jt mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal hypothalamus physiology ( J:194037 )
• organotypic cultures of suprachiasmatic nucleus tissue and pituitary explants show robust rhythms with shortened periods

cellular
abnormal fibroblast physiology ( J:194037 )
• MEFs show advanced phases with short periods




Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory