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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID 		Chrna9
cholinergic receptor, nicotinic, alpha polypeptide 9
MGI:1202403
12 phenotypes from 3 alleles in 4 genetic backgrounds
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Allelic Composition
Genetic Background		 Annotated Term Reference
Chrna9tm1Bedv/Chrna9tm1Bedv
either: CB.129S1-Chrna9tm1Bedv or (involves: 129S1/Sv) or (involves: 129S1/Sv * CBA/CaJ) 		abnormal cochlear IHC efferent innervation pattern J:55406
abnormal cochlear nerve compound action potential J:55406, J:100073
abnormal cochlear OHC efferent innervation pattern J:55406
abnormal distortion product otoacoustic emission J:55406
abnormal sensory neuron innervation pattern J:55406
normal hearing/vestibular/ear phenotype J:55406, J:100073
Chrna9tm1Bedv/Chrna9tm1Bedv
Not Specified 		abnormal cochlear outer hair cell physiology J:130585
Chrna9tm1Elgo/Chrna9+
involves: 129S4/SvJae * FVB/N 		abnormal cochlear inner hair cell physiology J:144698
abnormal distortion product otoacoustic emission J:144698
decreased susceptibility to noise-induced hearing loss J:144698
increased or absent threshold for auditory brainstem response J:144698
Chrna9tm1Elgo/Chrna9tm1Elgo
involves: 129S4/SvJae * FVB/N 		abnormal cochlear inner hair cell physiology J:144698
abnormal cochlear outer hair cell physiology J:144698
abnormal distortion product otoacoustic emission J:144698
abnormal inhibitory postsynaptic currents J:144698
decreased susceptibility to noise-induced hearing loss J:144698
increased or absent threshold for auditory brainstem response J:144698
Chrna9tm2a(EUCOMM)Wtsi/Chrna9tm2a(EUCOMM)Wtsi
C57BL/6N-Chrna9tm2a(EUCOMM)Wtsi/H 		decreased body weight J:165965
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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Send questions and comments to User Support. 		last database update
11/12/2024
MGI 6.24 		The Jackson Laboratory