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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Tubb4b
tubulin, beta 4B class IVB
MGI:1915472
25 phenotypes from 4 alleles in 5 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Tubb4bem1(IMPC)J/Tubb4b+
C57BL/6NJ-Tubb4bem1(IMPC)J/Mmjax
abnormal coat appearance J:211773
abnormal coat/ hair morphology J:211773
Tubb4bem1(IMPC)J/Tubb4bem1(IMPC)J
C57BL/6NJ-Tubb4bem1(IMPC)J/Mmjax
preweaning lethality, incomplete penetrance J:211773
Tubb4bem1(IMPC)J/Tubb4bem1(IMPC)J
involves: 129S/SvEv * C57BL/6NJ
abnormal Deiters cell morphology J:354347
abnormal motile cilium morphology J:354347
abnormal pillar cell morphology J:354347
abnormal spermatocyte morphology J:354352
azoospermia J:354352
deafness J:354347
decreased distortion product otoacoustic emission amplitude J:354347
decreased testis weight J:354352
normal hearing/vestibular/ear phenotype J:354347
increased susceptibility to otitis media J:354347
male infertility J:354352
normal nervous system phenotype J:354347
seminiferous tubule degeneration J:354352
small testis J:354352
normal vision/eye phenotype J:354347
Tubb4bem1Visu/Tubb4b+
C57BL/6J-Tubb4bem1Visu
abnormal spermatocyte morphology J:354352
azoospermia J:354352
decreased testis weight J:354352
increased Leydig cell number J:354352
male infertility J:354352
small testis J:354352
Tubb4bem2Visu/Tubb4bem2Visu
C57BL/6J-Tubb4bem2Visu
normal vision/eye phenotype J:354347
Tubb4btm2b(EUCOMM)Wtsi/Tubb4btm2b(EUCOMM)Wtsi
involves: C57BL/6 * FVB
abnormal branching involved in lung morphogenesis J:344732
abnormal oviduct epithelium motile cilium morphology J:344732
abnormal respiratory motile cilium morphology J:344732
hydrocephaly J:344732
postnatal growth retardation J:344732
postnatal lethality, incomplete penetrance J:344732
normal vision/eye phenotype J:344732

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
04/14/2026
MGI 6.24
The Jackson Laboratory