Phenotypes for Gt(ROSA)26Sor Polr1a Tg(Mef2c-cre)2Blk MGI:7526459 MGI Mouse

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Phenotypes Associated with This Genotype

Allelic Composition	Gt(ROSA)26Sor^{tm4(ACTB-tdTomato,-EGFP)Luo}/Gt(ROSA)26Sor⁺ Polr1a^{tm1a(EUCOMM)Hmgu}/Polr1a^{tm1c(EUCOMM)Hmgu} Tg(Mef2c-cre)2Blk/0
Genetic Background	involves: 129S1/Sv * 129X1/SvJ * C57BL/6N

Find Mice

Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sor^{tm4(ACTB-tdTomato,-EGFP)Luo} mutation (10 available); any Gt(ROSA)26Sor mutation (1062 available)
Polr1a^{tm1a(EUCOMM)Hmgu} mutation (1 available); any Polr1a mutation (95 available)
Polr1a^{tm1c(EUCOMM)Hmgu} mutation (0 available); any Polr1a mutation (95 available)
Tg(Mef2c-cre)2Blk mutation (1 available)

♀	phenotype observed in females
♂	phenotype observed in males
N	normal phenotype

cardiovascular system

ventricular septal defect ( J:335489 )

• in E12 embryos

enlarged heart ( J:335489 )

• in newborns, owing to blood pooling

heart right ventricle hypoplasia ( J:335489 )

• in E12 embryos

abnormal heart right ventricle outflow tract morphology ( J:335489 )

• shorter in E10 embryos

absent heart right ventricle ( J:335489 )

• newborn hearts have only single ventricle

growth/size/body

enlarged heart ( J:335489 )

• in newborns, owing to blood pooling

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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