nervous system
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• an additional lacZ positive glomerulus is detected on the dorsolateral side of the olfactory bulb, only the glomerulus on the medial side is detected in controls
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Analysis Tools|
Allele Symbol Allele Name Allele ID |
Omp+ wild type MGI:2431534 |
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| Summary |
32 genotypes
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• an additional lacZ positive glomerulus is detected on the dorsolateral side of the olfactory bulb, only the glomerulus on the medial side is detected in controls
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• impaired olfactory sensory neuron differentiation
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• decrease in the number of mature olfactory sensory neurons and increase in the number of immature neurons
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• the main olfactory epithelium is mostly devoid of mature olfactory sensory neurons
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• decrease in the number of mature olfactory sensory neurons and increase in the number of immature neurons
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• impaired olfactory sensory neuron differentiation
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• the main olfactory epithelium is mostly devoid of mature olfactory sensory neurons
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• decrease in the number of mature olfactory sensory neurons and increase in the number of immature neurons
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• the main olfactory epithelium is mostly devoid of mature olfactory sensory neurons
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• decrease in the number of mature olfactory sensory neurons and increase in the number of immature neurons
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• the main olfactory epithelium is mostly devoid of mature olfactory sensory neurons
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• decrease in the number of mature olfactory sensory neurons and increase in the number of immature neurons
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
| N |
• development of olfactory sensory neurons is similar to controls
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• olfactory sensory neurons expressing GFP are shifted ventrally in the olfactory bulb compared to controls
• in some mice (3 of 12) a third GFP positive glomerulus is detected on the lateral side of the olfactory bulb, a third glomerulus is only seen in 1 control
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• display a reduced aversive response and decreased innate avoidance behavior to the predator odorant TMT, a component of fox feces
• however, the responses to 2MB acid, an odorant of spoiled food, are similar to controls
• mice can be conditioned to respond to TMT indicating there is not a defect in detection of this odorant
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
| N |
• location of glomeruli from olfactory sensory neurons expressing lacZ is similar to controls
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• olfactory sensory neurons exhibit prolonged termination compared with control cells
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• mice exhibit reduced ability to locate odors, as indicated by decreased body weight at weaning, compared with control mice
• mice exhibit impaired ability to find a buried pellet compared with control mice
• however, mice normally locate a visible pellet
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• olfactory sensory neurons exhibit prolonged termination compared with control cells
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• at weaning likely due to impaired olfaction
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• although mice are grossly normal, those born into litters of 7 or more display compromised survival
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• olfactory glomerular structures and axon bundles are somewhat altered
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• 15 odorants tested including the pheromones 2-heptanone, DMP, and TMT
• "electro-olfactogram" response to all odorants is significantly diminished
• TEA response becomes positive rather than the typical negative
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• mice deprived of food for 1 day take 518 seconds to find a buried food pellet scented with peanut butter whereas controls take 26-27 seconds
• all mice find the pellet rapidly when placed on the surface of the bedding
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• 15 odorants tested including the pheromones 2-heptanone, DMP, and TMT
• "electro-olfactogram" response to all odorants is significantly diminished
• TEA response becomes positive rather than the typical negative
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• 15 odorants tested including the pheromones 2-heptanone, DMP, and TMT
• "electro-olfactogram" response to all odorants is significantly diminished
• TEA response becomes positive rather than the typical negative
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
| N |
• mice exhibit normal structure of the olfactory epithelium
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• faster response kinetics and stimuli integration using amyl acetate and heptaldehyde
• neurons fire action potentials more faithfully in response to repeated stimuli compared with wild-type mice
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• mice take longer to find a buried food pellet when a background of the same odor is present compared with wild-type mice
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| N |
• mice exhibit normal feeding and mating behaviors
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• faster response kinetics and stimuli integration using amyl acetate and heptaldehyde
• neurons fire action potentials more faithfully in response to repeated stimuli compared with wild-type mice
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• faster response kinetics and stimuli integration using amyl acetate and heptaldehyde
• neurons fire action potentials more faithfully in response to repeated stimuli compared with wild-type mice
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• fail to show a preference for peanut butter odor
• fail to show an aversive reaction to 2-methyl butyric acid
• following reward training, fail to show preference for the trained scent, carvone
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• olfactory sensory neuron layer is thinner than control
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• number of OMP-positive olfactory neurons is decreased in epithelium, however, number of Olfr1507-positive neurons is not reduced
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• cell death is 5X higher in olfactory epithelium than in controls
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• olfactory neurons in vitro are unresponsive to an odorant mix
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• in the buried-food-seeking test, mice take longer to locate food than controls
• in the odorant preference test, mice exhibit a reduced preference to milk and peanut butter relative to water
• mice do not exhibit avoidance behavior in response to the odorant butyric acid
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• overall, 11% of homozygous pups survive rather than the expected 25%
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• some pups die immediately after birth, especially pups from a litter size greater than 6
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• olfactory sensory neuron layer is thinner than control
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• number of OMP-positive olfactory neurons is decreased in epithelium, however, number of Olfr1507-positive neurons is not reduced
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• olfactory sensory neuron layer is thinner than control
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• number of OMP-positive olfactory neurons is decreased in epithelium, however, number of Olfr1507-positive neurons is not reduced
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• olfactory sensory neurons exhibit a 5 fold increase in cell death
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• olfactory sensory neurons exhibit a 5 fold increase in cell death
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• olfactory sensory neuron layer is thinner than control
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• number of OMP-positive olfactory neurons is decreased in epithelium, however, number of Olfr1507-positive neurons is not reduced
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• number of glomeruli is reduced and average size of glomeruli is smaller than control
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• olfactory neurons in vitro are unresponsive to an odorant mix
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• olfactory sensory neuron layer is thinner than control
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• number of OMP-positive olfactory neurons is decreased in epithelium, however, number of Olfr1507-positive neurons is not reduced
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• cell death is 5X higher in olfactory epithelium than in controls
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• olfactory neurons in vitro are unresponsive to an odorant mix
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| N |
• mice do not exhibit anxiety, depression or mobility deficits
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• with IFT88 absent from type B olfactory sensory neurons, homozygotes fail to respond to NaHS by the usual dose-dependent avoidance behavior or the increased stress-induced self-grooming that occurs that occurs in controls, but respond with normal avoidance and increased self-grooming to hypoxia
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• Type B olfactory sensory neurons of the main olfactory epithelium respond normally to hypoxia but fail to respond to NaHS
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• female mice exhibit constant attraction behavior to recombinant major urinary proteins (rMUPs), in both estrus and diestrus unlike wild-type mice
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• vomeronasal sensory neurons (VSNs) from ovariectomized mice exhibit normal response to recombinant major urinary proteins (rMUPs), even in the presence of diestrous levels of P4
• VSNs from diestrous-staged female mice exhibit responsiveness to rMUPs across both estrus and diestrus
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• vomeronasal sensory neurons (VSNs) from ovariectomized mice exhibit normal response to recombinant major urinary proteins (rMUPs), even in the presence of diestrous levels of P4
• VSNs from diestrous-staged female mice exhibit responsiveness to rMUPs across both estrus and diestrus
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• adult mice show defects in glomeruli formation with significantly larger and fewer glomeruli in the posterior region of the accessory olfactory bulb (AOB) relative to controls
• in contrast, the anterior AOB region contains glomeruli of normal size and number
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, synaptic release in olfactory sensory neurons is inhibited
(J:124050)
• following doxycycline treatment, the number of terminal branches of olfactory nerves is modestly increased relative to in wild-type mice
(J:124050)
• following doxycycline treatment, synaptic release in olfactory sensory neurons is inhibited
(J:124299)
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• fewer Olfr17+ (P2) neurons and axons are seen with no obvious Olfr17 axonal convergence in the olfactory bulb
• administration of doxycycline for 1 week from 3-4 weeks of age, partially restores the Olfr17 neurons in the olfactory epithelium and the axons, although they fail to converge into a single glomerulus
• administration of doxycycline for 3 weeks further restores Olfr17 neurons
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• fewer Olfr17+ (P2) neurons and axons are seen with no obvious Olfr17 axonal convergence in the olfactory bulb
• administration of doxycycline for 1 week from 3-4 weeks of age, partially restores the Olfr17 neurons in the olfactory epithelium and the axons, although they fail to converge into a single glomerulus
• administration of doxycycline for 3 weeks further restores Olfr17 neurons
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• fewer Olfr17+ (P2) neurons and axons are seen with no obvious Olfr17 axonal convergence in the olfactory bulb
• administration of doxycycline for 1 week from 3-4 weeks of age, partially restores the Olfr17 neurons in the olfactory epithelium and the axons, although they fail to converge into a single glomerulus
• administration of doxycycline for 3 weeks further restores Olfr17 neurons
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• no obvious Olfr17+ axonal convergence is seen in the olfactory bulb
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• fewer Olfr17+ (P2) neurons and axons are seen with no obvious Olfr17 axonal convergence in the olfactory bulb
• administration of doxycycline for 1 week from 3-4 weeks of age, partially restores the Olfr17 neurons in the olfactory epithelium and the axons, although they fail to converge into a single glomerulus
• administration of doxycycline for 3 weeks further restores Olfr17 neurons
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• fewer Olfr17+ (P2) neurons and axons are seen with no obvious Olfr17 axonal convergence in the olfactory bulb
• administration of doxycycline for 1 week from 3-4 weeks of age, partially restores the Olfr17 neurons in the olfactory epithelium and the axons, although they fail to converge into a single glomerulus
• administration of doxycycline for 3 weeks further restores Olfr17 neurons
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• olfactory epithelium is thinner in 3 week old mice
• olfactory epithelium shows fewer dendritic knobs with fewer cilia
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• axonal degeneration of olfactory sensory neurons
• treatment with doxycycline prevents axonal degeneration
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• mature olfactory sensory neuron population is reduced in 3 week old mice
• however, the immature sensory neuron population is normal
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• olfactory epithelium is thinner in 3 week old mice
• olfactory epithelium shows fewer dendritic knobs with fewer cilia
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• axonal degeneration of olfactory sensory neurons
• treatment with doxycycline prevents axonal degeneration
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• mature olfactory sensory neuron population is reduced in 3 week old mice
• however, the immature sensory neuron population is normal
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• axonal degeneration of olfactory sensory neurons
• treatment with doxycycline prevents axonal degeneration
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• mature olfactory sensory neuron population is reduced in 3 week old mice
• however, the immature sensory neuron population is normal
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• structure of the olfactory bulb is altered
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• the glomerular layer is thinner, with a massive loss of glomeruli
• treatment with doxycycline restores the glomerular layer, although the glomerular layer appears disorganized
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• outer nerve layer is thinner
• increase in apoptosis in the outer nerve layer
• treatment with doxycycline restores the outer nerve layer
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• reduction in size of the olfactory bulb
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• mice show a reduction in VGlu2 staining, indicating loss of olfactory sensory neuron axon terminals in the olfactory bulb
• treatment with doxycycline restores these axon terminals in the olfactory bulb
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• neurodegeneration of olfactory sensory neurons, with most lost between 7 and 14 days of age
• treatment with doxycycline reverses neurodegeneration
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• rapid and widespread apoptosis in mature olfactory sensory neurons
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• olfactory epithelium is thinner in 3 week old mice
• olfactory epithelium shows fewer dendritic knobs with fewer cilia
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• axonal degeneration of olfactory sensory neurons
• treatment with doxycycline prevents axonal degeneration
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• mature olfactory sensory neuron population is reduced in 3 week old mice
• however, the immature sensory neuron population is normal
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• rapid and widespread apoptosis in mature olfactory sensory neurons
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• olfactory epithelium is thinner in 3 week old mice
• olfactory epithelium shows fewer dendritic knobs with fewer cilia
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• axonal degeneration of olfactory sensory neurons
• treatment with doxycycline prevents axonal degeneration
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• mature olfactory sensory neuron population is reduced in 3 week old mice
• however, the immature sensory neuron population is normal
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• rapid and widespread apoptosis in mature olfactory sensory neurons
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• in a buried food assay, mice take a longer time to find the cookie
• in an avoidance assay in which the simple odorant isovaleric acid is added to drinking water and becomes an aversive stimulus associated with an LiCl injection, the conditioned mutants show a higher preference for the odor-water than controls, indicating decreased ability to detect the odor
• administration of doxycycline restores odor detection in both the buried food assay and at high concentration of isovaleric acid in the avoidance assay
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Mouse Models of Human Disease |
DO ID | OMIM ID(s) | Ref(s) | |
| Alzheimer's disease | DOID:10652 | J:199798 | ||
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• Olfr151 (M71)-expressing olfactory sensory neurons are decreased in number
• treatment with doxycycline for 3 weeks increases Olfr151-expressing olfactory sensory neurons and axons are able to converge and form one or two glomeruli
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• Olfr151 (M71)-expressing olfactory sensory neurons are decreased in number
• treatment with doxycycline for 3 weeks increases Olfr151-expressing olfactory sensory neurons and axons are able to converge and form one or two glomeruli
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• Olfr151 (M71)-expressing olfactory sensory neurons are decreased in number
• treatment with doxycycline for 3 weeks increases Olfr151-expressing olfactory sensory neurons and axons are able to converge and form one or two glomeruli
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• Olfr151 (M71)-expressing olfactory sensory neurons are decreased in number
• treatment with doxycycline for 3 weeks increases Olfr151-expressing olfactory sensory neurons and axons are able to converge and form one or two glomeruli
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• Olfr151 (M71)-expressing olfactory sensory neurons are decreased in number
• treatment with doxycycline for 3 weeks increases Olfr151-expressing olfactory sensory neurons and axons are able to converge and form one or two glomeruli
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, organization of the glomeruli in the dorsal part of the bulb remains disorganized, thinly innervated, necklace glomeruli are absent, and nerves that enter the bulb coalesce into a giant glomerulus-like structure
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• following doxycycline treatment, the spiking activity of olfactory nerves is inhibited
• following doxycycline treatment, the entry of the sensory neuron into the olfactory bulb is delayed
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, at P1 and more profoundly at P21 Olfr17+ olfactory nerves are diffusely distributed and 75% of those that enter the olfactory bulb innervate two to three glomeruli in the ventral portion of the bulb
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, at P1 and more profoundly at P21 Olfr17+ olfactory nerves are diffusely distributed and those that enter the olfactory bulb sparsely innervate an average of 16 glomeruli in the ventral portion of the bulb
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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• fewer number of mature olfactory receptor neurons
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• olfactory receptor neuron axons fail to innervate the dorsal caudal region of the olfactory bulb
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• olfactory receptor neuron axons fail to innervate the dorsal caudal region of the olfactory bulb
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• olfactory receptor neuron axons fail to innervate the dorsal caudal region of the olfactory bulb
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• olfactory receptor neuron axons fail to innervate the dorsal caudal region of the olfactory bulb
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• olfactory receptor neuron axons fail to innervate the dorsal caudal region of the olfactory bulb
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• most glomeruli, including those in the necklace and Grueneberg, are reduced and loosely organized
• however, epithelia have normal amounts of mature olfactory sensory neurons
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• from P15, Omp+ mature neurons are absent from the dorsocaudal part of the olfactory bulb
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
| N |
• following doxycycline treatment, terminal-arbor complexity of olfactory nerves is normal
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• the positive effect of global presynaptic inactinity on the total branch length is somewhat attenuated
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, terminal-arbor complexity is partially rescued (4 branches per axon compared to 1.96+/-0.17 in Tg(tetO-tetX,lacZ)2Gogo Omptm1(tTA)Gogo mice and 6.6+/-0.19 in wild-type mice)
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
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• following doxycycline treatment, terminal-arbor complexity of olfactory nerves is rescued with 7 branches per axon compared to 1.96+/-0.17 in Tg(tetO-tetX,lacZ)2Gogo Omptm1(tTA)Gogo mice and 6.6+/-0.19 in wild-type mice but branching length is not restored
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
| N |
• following doxycycline treatment, terminal-arbor complexity and total length of olfactory nerve axons is normal
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|
| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
|
• following doxycycline treatment, terminal-arbor complexity at P6 is reduced similar to in Tg(tetO-tetX,lacZ)2Gogo Omptm1(tTA)Gogo mice
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| ♀ | phenotype observed in females |
| ♂ | phenotype observed in males |
| N | normal phenotype |
|
• following doxycycline treatment, synaptic release in olfactory sensory neurons is inhibited
• following doxycycline treatment, P6 mice exhibit a reduction in terminal-arbor complexity (1.96+/-0.17 branches per axon arbor compared to 6.6+/-0.19 in wild-type mice) and total length (153.29+/-13.16 um compared to 231.6+/-0.19 um in wild-type mice)
• following doxycycline treatment, large axonal varicosities are increased as are signs of degeneration
• however, normal branching can be reconstituted with the application of an NMDR inhibitor (MK-801)
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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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last database update 01/13/2026 MGI 6.24 |
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