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Symbol
Name
ID 		Glb1
galactosidase, beta 1
MGI:88151
Phenotype annotations related to nervous system
Darker colors indicate more annotations
Human Phenotypes
Dysphagia
Spasticity
Spastic tetraplegia
Abnormality of the nervous system
Ventriculomegaly
T2 hypointense basal ganglia
Thin corpus callosum
Diffuse white matter abnormalities
Cerebral atrophy
Diffuse cerebral atrophy
Cerebral degeneration
Cervical myelopathy
Ataxia
Slurred speech
Exaggerated startle response
Myoclonus
Delayed speech and language development
Dysarthria
Progressive psychomotor deterioration
Intellectual disability
Mild intellectual disability
Hyperreflexia
Dystonia
Gait disturbance
Developmental regression
Motor regression
Developmental stagnation
Global developmental delay
Seizure
Generalized myoclonic seizure
Disease(s) Associated with GLB1
GM1 gangliosidosis type 1
GM1 gangliosidosis type 2
GM1 gangliosidosis type 3
mucopolysaccharidosis type IVB

Mouse Phenotypes
gliosis
abnormal brain morphology
abnormal brainstem morphology
abnormal cerebellum morphology
Purkinje cell degeneration
abnormal neuron morphology
Availability Mouse Genotype
Glb1tm1Adz/Glb1tm1Adz
Glb1tm1Jmat/Glb1tm1Jmat
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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Funding Information
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Send questions and comments to User Support. 		last database update
03/24/2026
MGI 6.24 		The Jackson Laboratory