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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Or8a1tm16(Or8a1b/Or1f19)Mom
targeted mutation 16, Peter Mombaerts
MGI:3047222
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Or8a1tm16(Or8a1b/Or1f19)Mom/Or8a1tm16(Or8a1b/Or1f19)Mom involves: 129P2/OlaHsd * C57BL/6 MGI:3714000


Genotype
MGI:3714000
hm1
Allelic
Composition		 Or8a1tm16(Or8a1b/Or1f19)Mom/Or8a1tm16(Or8a1b/Or1f19)Mom
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Or8a1tm16(Or8a1b/Or1f19)Mom mutation (1 available); any Or8a1 mutation (69 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal axon extension ( J:91160 )
• axonal outgrowth is precluded in neurons of the olfactory bulb
abnormal olfactory bulb development ( J:91160 )
• axonal outgrowth is precluded in neurons of the olfactory bulb

cellular
abnormal axon extension ( J:91160 )
• axonal outgrowth is precluded in neurons of the olfactory bulb




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