- decreased lean body mass / IMPC
- abnormal locomotor activation / IMPC
- trunk curl / IMPC
- persistence of hyaloid vascular system / IMPC
- absent pinna reflex / IMPC
- increased lean body mass / IMPC
- impaired righting response / IMPC
- increased blood urea nitrogen level / IMPC
- increased total body fat amount / IMPC
- decreased body weight / IMPC
- increased thermal nociceptive threshold / IMPC
- abnormal bone mineralization / IMPC
- increased bone mineral content / IMPC
- decreased body length / IMPC
- abnormal behavior / IMPC
- decreased bone mineral density / IMPC
- increased circulating sodium level / IMPC
- stereotypic behavior / IMPC
STOCK Myo7a4626SB/WtsiCnbc
Status | Available to order |
EMMA ID | EM:04897 |
International strain name | STOCK Myo7a4626SB/WtsiCnbc |
Alternative name | Myo7a<4626SB> |
Strain type | Induced Mutant Strains : Chemically-induced |
Allele/Transgene symbol | Myo7a4626SB |
Gene/Transgene symbol | Myo7a |
Information from provider
Provider | Karen Steel |
Provider affiliation | Wellcome Trust Sanger Institute |
Additional owner | Dr Eugene Rinchik produced the mutants |
Genetic information | An ENU-induced mutation of Myo7a with head bobbing, circling and deafness. |
Phenotypic information | An ENU-induced mutation of Myo7a with head bobbing, circling and deafness, associated with disorganised stereocilia bundles of inner ear sensory hair cells. |
Breeding history | Introduced on a mixed genetic background and kept within a closed colony for more than twenty years. |
References |
|
Homozygous fertile | yes |
Homozygous viable | yes |
Homozygous matings required | no |
Immunocompromised | not known |
Information from EMMA
Archiving centre | CNB-CSIC, Centro Nacional de Biotecnologia, Madrid, Spain |
Disease and phenotype information
MGI allele-associated human disease models
Orphanet associated rare diseases, based on orthologous gene matching
- Usher syndrome type 1 / Orphanet_231169
- Autosomal recessive non-syndromic sensorineural deafness type DFNB / Orphanet_90636
- Usher syndrome type 2 / Orphanet_231178
- Autosomal dominant non-syndromic sensorineural deafness type DFNA / Orphanet_90635
IMPC phenotypes (gene matching)
MGI phenotypes (allele matching)
- decreased cochlear outer hair cell number / MGI
- abnormal cochlear nerve compound action potential / MGI
- abnormal outer hair cell stereociliary bundle morphology / MGI
- decreased outer hair cell stereocilia number / MGI
- increased susceptibility to age-related hearing loss / MGI
- impaired hearing / MGI
- abnormal cochlear outer hair cell morphology / MGI
- cochlear outer hair cell degeneration / MGI
- short cochlear outer hair cells / MGI
- abnormal orientation of cochlear hair cell stereociliary bundles / MGI
- abnormal inner hair cell stereociliary bundle morphology / MGI
- abnormal cochlear hair cell inter-stereocilial links morphology / MGI
- absent cochlear hair bundle ankle links / MGI
- abnormal cochlear hair cell stereociliary bundle morphology / MGI
- fused inner hair cell stereocilia / MGI
MGI phenotypes (gene matching)
- abnormal inner ear vestibule morphology / MGI
- abnormal organ of Corti morphology / MGI
- abnormal hair cell morphology / MGI
- abnormal head movements / MGI
- abnormal retinal rod cell morphology / MGI
- pigmentation phenotype / MGI
- decreased body size / MGI
- increased anxiety-related response / MGI
- circling / MGI
- hyperactivity / MGI
- abnormal gait / MGI
- head bobbing / MGI
- decreased startle reflex / MGI
- trunk curl / MGI
- impaired swimming / MGI
- impaired balance / MGI
- reduced male fertility / MGI
- male infertility / MGI
- abnormal hearing physiology / MGI
- deafness / MGI
- abnormal parental behavior / MGI
- gliosis / MGI
- abnormal cochlear hair cell morphology / MGI
- head shaking / MGI
- cochlear ganglion degeneration / MGI
- no phenotypic analysis / MGI
- straub tail / MGI
- abnormal ear physiology / MGI
- vestibular saccular macula degeneration / MGI
- cochlear hair cell degeneration / MGI
- stria vascularis degeneration / MGI
- abnormal cochlear outer hair cell morphology / MGI
- decreased cochlear outer hair cell number / MGI
- cochlear outer hair cell degeneration / MGI
- absent cochlear microphonics / MGI
- abnormal cochlear nerve compound action potential / MGI
- short cochlear outer hair cells / MGI
- abnormal orientation of outer hair cell stereociliary bundles / MGI
- abnormal orientation of inner hair cell stereociliary bundles / MGI
- abnormal vestibular hair cell stereociliary bundle morphology / MGI
- decreased vestibular hair cell stereocilia number / MGI
- abnormal cochlear hair cell stereociliary bundle morphology / MGI
- abnormal orientation of cochlear hair cell stereociliary bundles / MGI
- short cochlear hair cell stereocilia / MGI
- abnormal outer hair cell stereociliary bundle morphology / MGI
- decreased outer hair cell stereocilia number / MGI
- abnormal inner hair cell stereociliary bundle morphology / MGI
- fused inner hair cell stereocilia / MGI
- decreased inner hair cell stereocilia number / MGI
- abnormal cochlear hair cell inter-stereocilial links morphology / MGI
- absent cochlear hair bundle ankle links / MGI
- abnormal cochlear basement membrane morphology / MGI
- abnormal cochlear OHC efferent innervation pattern / MGI
- absent distortion product otoacoustic emissions / MGI
- increased susceptibility to age-related hearing loss / MGI
- increased cochlear nerve compound action potential / MGI
- absent linear vestibular evoked potential / MGI
- abnormal behavior / MGI
- head tilt / MGI
- abnormal retinal pigment epithelium morphology / MGI
- head tossing / MGI
- hearing/vestibular/ear phenotype / MGI
- jerky movement / MGI
- impaired hearing / MGI
- absent pinna reflex / MGI
- absent startle reflex / MGI
- abnormal auditory summating potential / MGI
- vestibular ganglion hypoplasia / MGI
- retinal rod cell degeneration / MGI
- slow postnatal weight gain / MGI
- retropulsion / MGI
- increased food intake / MGI
- increased fluid intake / MGI
- increased or absent threshold for auditory brainstem response / MGI
Literature references
- Progressive hearing loss and increased susceptibility to noise-induced hearing loss in mice carrying a Cdh23 but not a Myo7a mutation.;Holme Ralph H, Steel Karen P, ;2004;Journal of the Association for Research in Otolaryngology : JARO;5;66-79; 14648237
- Shaker-1 mutations reveal roles for myosin VIIA in both development and function of cochlear hair cells.;Self T, Mahony M, Fleming J, Walsh J, Brown S D, Steel K P, ;1998;Development (Cambridge, England);125;557-66; 9435277
- Effects of shaker-1 mutations on myosin-VIIa protein and mRNA expression.;Hasson T, Walsh J, Cable J, Mooseker M S, Brown S D, Steel K P, ;1997;Cell motility and the cytoskeleton;37;127-38; 9186010
- A type VII myosin encoded by the mouse deafness gene shaker-1.;Gibson F, Walsh J, Mburu P, Varela A, Brown K A, Antonio M, Beisel K W, Steel K P, Brown S D, ;1995;Nature;374;62-4; 7870172
- Mosaic complementation demonstrates a regulatory role for myosin VIIa in actin dynamics of stereocilia.;Prosser Haydn M, Rzadzinska Agnieszka K, Steel Karen P, Bradley Allan, ;2008;Molecular and cellular biology;28;1702-12; 18160714
- Reduced climbing and increased slipping adaptation in cochlear hair cells of mice with Myo7a mutations.;Kros C J, Marcotti W, van Netten S M, Self T J, Libby R T, Brown S D M, Richardson G P, Steel K P, ;2002;Nature neuroscience;5;41-7; 11753415
- Stereocilia defects in waltzer (Cdh23), shaker1 (Myo7a) and double waltzer/shaker1 mutant mice.;Holme Ralph H, Steel Karen P, ;2002;Hearing research;169;13-23; 12121736
- Electroretinographic anomalies in mice with mutations in Myo7a, the gene involved in human Usher syndrome type 1B.;Libby R T, Steel K P, ;2001;Investigative ophthalmology & visual science;42;770-8; 11222540
- N-ethyl-N-nitrosourea mutagenesis of a 6- to 11-cM subregion of the Fah-Hbb interval of mouse chromosome 7: Completed testing of 4557 gametes and deletion mapping and complementation analysis of 31 mutations.;Rinchik E M, Carpenter D A, ;1999;Genetics;152;373-83; 10224267
- A Myo7a mutation cosegregates with stereocilia defects and low-frequency hearing impairment.;Rhodes Charlotte R, Hertzano Ronna, Fuchs Helmut, Bell Rachel E, de Angelis Martin Hrabé, Steel Karen P, Avraham Karen B, ;2004;Mammalian genome : official journal of the International Mammalian Genome Society;15;686-97; 15389316
Information on how we integrate external resources can be found here
INFRAFRONTIER® and European Mouse Mutant Archive - EMMA® are registered trademarks at the European Union Intellectual Property Office (EUIPO).