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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Or8a1btm1(Or8a1)Mom
targeted mutation 1, Peter Mombaerts
MGI:3045151
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cx1
 		Or8a1tm11(Or8a1b)Mom/Or8a1+
Or8a1btm1(Or8a1)Mom/Or8a1b+ 		involves: 129P2/OlaHsd * C57BL/6 MGI:3694125
cx2
 		Or8a1tm1Mom/Or8a1+
Or8a1btm1(Or8a1)Mom/Or8a1b+ 		involves: 129P2/OlaHsd * C57BL/6 MGI:3694128


Genotype
MGI:3694125
cx1
Allelic
Composition		 Or8a1tm11(Or8a1b)Mom/Or8a1+
Or8a1btm1(Or8a1)Mom/Or8a1b+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Or8a1btm1(Or8a1)Mom mutation (3 available); any Or8a1b mutation (35 available)
Or8a1tm11(Or8a1b)Mom mutation (1 available); any Or8a1 mutation (69 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal olfactory bulb morphology ( J:90716 )
• Olfr160 (M72) glomeruli are positioned more posterior and medial to the corresponding glomeruli in control mice, while Olfr151 (M71) glomeruli are slightly more anterior and lateral to the normal location




Genotype
MGI:3694128
cx2
Allelic
Composition		 Or8a1tm1Mom/Or8a1+
Or8a1btm1(Or8a1)Mom/Or8a1b+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Or8a1btm1(Or8a1)Mom mutation (3 available); any Or8a1b mutation (35 available)
Or8a1tm1Mom mutation (1 available); any Or8a1 mutation (69 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal olfactory bulb morphology ( J:90716 )
• Hyb A axons co-converge with Olfr160tm6Mom axons onto the same glomeruli, but axons segregate into separate compartments within the glomeruli




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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
04/16/2024
MGI 6.23 		The Jackson Laboratory