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Phenotypes Associated with This Genotype
Genotype
MGI:6241439
Allelic
Composition		 Map1btm1Prop/Map1btm1Prop
Tg(Isl1-EGFP*)1Slp/0
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ * BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Map1btm1Prop mutation (0 available); any Map1b mutation (85 available)
Tg(Isl1-EGFP*)1Slp mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal oculomotor nerve morphology ( J:213171 )
• 90% of oculomotor nerves have mild proximal thickening in the absence of a bulb, distal thinning, hypoplasia of the oculomotor nerve superior division and a smaller oculomotor nerve inferior division
• about 30% of distal oculomotor nerves have aberrant, long, fasciculated branches that emerge from the oculomotor nerve inferior division exploratory region

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
12/30/2025
MGI 6.24 		The Jackson Laboratory