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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Synj1
synaptojanin 1
MGI:1354961
34 phenotypes from 4 alleles in 4 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Synj1Gt(pT1ATGBetageo)1Ruiz/Synj1Gt(pT1ATGBetageo)1Ruiz
involves: 129S2/SvPas * C57BL/6
perinatal lethality, complete penetrance J:85162
Synj1tm1b(EUCOMM)Wtsi/Synj1+
C57BL/6N-Synj1tm1b(EUCOMM)Wtsi/H
decreased monocyte cell number J:211773
decreased neutrophil cell number J:211773
decreased red blood cell distribution width J:211773
increased lymphocyte cell number J:211773
persistence of hyaloid vascular system J:211773
tremors J:211773
Synj1tm1b(EUCOMM)Wtsi/Synj1tm1b(EUCOMM)Wtsi
C57BL/6N-Synj1tm1b(EUCOMM)Wtsi/H
preweaning lethality, complete penetrance J:211773
Synj1tm1Pdc/Synj1tm1Pdc
involves: 129S1/Sv * C57BL/6
ataxia J:58087
convulsive seizures J:58087
increased synaptic depression J:58087
neonatal lethality, incomplete penetrance J:58087
postnatal growth retardation J:58087
postnatal lethality, complete penetrance J:58087
weakness J:58087
Synj1tm2.1Pdc/Synj1tm2.1Pdc
involves: 129S6/SvEvTac * C57BL/6J
abnormal dopaminergic neuron morphology J:256037
abnormal locomotor behavior J:256037
abnormal motor coordination/balance J:256037
abnormal resting posture J:256037
abnormal synapse morphology J:256037
abnormal synaptic bouton morphology J:256037
abnormal synaptic vesicle endocytosis J:256037
abnormal synaptic vesicle recycling J:256037
ataxia J:256037
decreased body size J:256037
decreased grip strength J:256037
decreased survivor rate J:256037
environmentally induced seizures J:256037
impaired coordination J:256037
limb grasping J:256037
postnatal lethality, incomplete penetrance J:256037
prenatal lethality, incomplete penetrance J:256037
seizures J:256037
sudden unexpected death in epilepsy J:256037
tonic-clonic seizures J:256037

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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last database update
06/09/2026
MGI 6.24
The Jackson Laboratory