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Strain Name:

B6C3Fe a/a-Rorasg/J

Stock Number:

000237

Availability:

Repository-Cryopreserved


Price and Supply Information

General Terms and Conditions

Former Name      B6C3Fe-a/a-Rorasg/+    (Changed: 15-DEC-04 )
Genes & Alleles   Rora;   Rorasg;   a;


Product Information

Strain Details

Type JAX® GEMM® Strain - Mutant Strain
Additional information on JAX® GEMM® Strains.
Type JAX® GEMM® Strain - Spontaneous Mutation
Specieslaboratory mouse

Appearance
black, ataxic, tremors
Related Genotype: a/a Rorasg/Rorasg

black, unaffected
Related Genotype: a/a +/? or a/a Rorasg/+

Strain Description
Mice homozygous for the staggerer spontaneous mutation (Rorasg) show a staggering gait, mild tremor, hypotonia, and small size. The cerebellar cortex of homozygous mutant mice is grossly underdeveloped with a deficiency of granule cells and Purkinje cells. The remaining granule cells migrate inward from the external layer prematurely and then degenerate. Purkinje cells are much delayed in postnatal differentiation and lack the dendritic spines on which synapses with the parallel fibers from the granule cells normally occur. Staggerer mutant mice have been used as a source of an agranulate cerebellum in a number of investigations of the composition and function of granule cells. Kopmels et al. have reported a hyperproduction of IL1 biological activity and mRNA from LPS stimulated spleen cells of Rorasg/Rorasg mice on the C57BL/6J background relative to wild type siblings.

Mammalian Phenotype Terms assigned by genotype

The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.

Rorasg/Rorasg

        involves: obese stock
  • lethality-postnatal
  • postnatal lethality (MGI Ref ID J:13140)
    • about 50% of mutants die by weaning
  • nervous system phenotype
  • abnormal brain morphology (MGI Ref ID J:13140)
    • abnormal cerebellum morphology (MGI Ref ID J:13140)
      • cerebellum of adults shows tiny folia with indistinct fissures
      • cerebellum is less than one-third the size of wild type littermates
      • abnormal cerebellar foliation (MGI Ref ID J:13140)
      • abnormal cerebellar granule layer (MGI Ref ID J:13140)
        • granular cell layer displays a paucity of cells in mutants
      • abnormal cerebellar molecular layer (MGI Ref ID J:13140)
        • thin cerebellar molecular layer (MGI Ref ID J:13140)
      • small cerebellum (MGI Ref ID J:13140)
  • behavior/neurological phenotype
  • abnormal motor capabilities/coordination/movement (MGI Ref ID J:13140)
    • abnormal gait (MGI Ref ID J:13140)
      • gait is shuffling and hesitant, interrupted every few steps by lurching motions side-to-side
      • abnormal gait is apparent at ~2 weeks of age
    • abnormal grip strength (MGI Ref ID J:46854)
      • mice have a mean hanging time of 12 seconds compared to over 3 minutes for WT mice
    • abnormal limb posture (MGI Ref ID J:13140)
      • some animals have hindlimbs held abducted and everted at 45 degrees at rest
    • ataxia (MGI Ref ID J:13140)
      • clearly visible in all mice
      • mice stumble at a rate 40 times greater than WT mice
    • hypoactivity (MGI Ref ID J:13140)
      • mutants remain stationary much more than littermates
    • impaired coordination (MGI Ref ID J:13140)
      • mice fall off an elevated rod on average of 13 seconds compared to over 3 minutes for WT mice
    • limb grasping (MGI Ref ID J:46854)
      • is observed in all mice
    • tremors (MGI Ref ID J:13140)
      • mild tremors accompany initiation of movement
  • abnormal motor learning (MGI Ref ID J:46854)
    • mice have an impaired ability to learn how to hang onto a rotating rod
    • mice hang onto the rod as opposed the walking strategy WT mice exclusively use
    • scores do not improve with 10 days of training
  • growth/size phenotype
  • decreased body size (MGI Ref ID J:13140)
    • mutants are smaller than littermates

Rorasg/Rorasg

        involves: C57BL/6
  • homeostasis/metabolism phenotype
  • abnormal lipid homeostasis (MGI Ref ID J:52105)
    • plasma APOA1 and APOA2 concentrations are approximately 2 fold lower than in wild type controls on a normal diet, and the Apoa1 mRNA level in intestine is diminished relative to wild type, although liver expression of Apoa1 is comparable with wild type
    • the production rate of APOA1 is diminished, but the fractional catabolic rate is comparable to wild type
    • decreased circulating cholesterol level (MGI Ref ID J:52105)
      • plasma total cholesterol levels are significantly lower in both male and female homozygotes than in wild type controls
      • although cholesterol levels increase on an atherosclerotic diet, homozygotes still have lower plasma cholesterol than wild type controls also fed this diet
      • decreased circulating HDL cholesterol level (MGI Ref ID J:52105)
        • plasma HDL cholesterol level is significantly lower in both male and female homozygotes than in wild type controls, and females have significantly lower plasma HDL level than males both for the homozygous and wild type data sets. This is true even on an atherogenic diet.
  • cardiovascular system phenotype
  • atherosclerotic lesions (MGI Ref ID J:52105)
    • the atherosclerotic lesions induced in homozygotes by 9 weeks of an atherosclerotic diet have a 6 fold greater area in female homozygotes and a 7.5 fold greater area in male homozygotes than those in wild type controls on the same diet
    • increased susceptibility to atherosclerosis (MGI Ref ID J:52105)
      • Although homozygotes fed a normal diet do not display abnormal atherosclerotic lesions, 9 weeks of an atherosclerotic diet induces exaggerated altherosclerotic lesions compared with wild type controls on the atherosclerotic diet
  • immune system phenotype
  • *normal* immune system phenotype (MGI Ref ID J:52105)
    • white blood cell, lymphocyte, and neutrophil counts are not significantly different between homozygotes and wild type controls

Gene & Allele Details

Allele Symbol Rorasg
Allele Name staggerer
Common Name(s) RORalpha-; sg;
Strain of Originobese stock
Gene Symbol and Name Rora, RAR-related orphan receptor alpha
Chromosome 9
Gene Common Name(s) 9530021D13Rik; MGC119326; MGC119329; NR1F1; RIKEN cDNA 9530021D13 gene; ROR1; ROR2; ROR3; RZR-ALPHA; RZRA; neuroscience mutagenesis facility, 267; nmf267; sg; staggerer;
General Note Homozygotes for the staggerer mutation show a staggering gait, mild tremor, hypotonia, and small size (J:13140). The cerebellar cortex is grossly underdeveloped with a deficiency of granule cells and Purkinje cells. The deficiency of granule cells in theexternal granular layer is already evident at birth. The remaining granule cells migrate inward from the external layer prematurely and then degenerate (J:5304). Purkinje cells are much delayed in postnatal differentiation and lack the dendritic spines on which synapses with the parallel fibers from the granule cells normally occur (J:5968). Golgi cells are not clearly distinguishable from Purkinje cells and it is possible that their number is also reduced (J:6185). Examination of the cerebellum of chimeras of Rorasg/Rorasg with wild-type using cellular markers for Purkinje cells and granule cells has shown that the Rorasg effect is intrinsic to the Purkinje cells and that granule cells are affected secondarily (J:28093, J:11945). Purkinje cells are probably defective as early as postnatal day 4 (J:6875). The granule cell deficiency may result from failure of Purkinje cells to adequately stimulate granule cell genesis (J:28092), as well as from later cell death due to failure of synapsis with Purkinje cells. Staggerer mice have been used as a source of an agranulate cerebellum in a number of investigations of the composition and function of granule cells.Other effects of Rorasg include persistence of multipleinnervation of Purkinje cells by climbing fibers (J:6260), reduction in size of deep cerebellar nuclei (J:6554) and inferior olivary complex (J:7948), and abnormal patterns of ganglioside composition and enzymatic activity (J:7910). Inferior olivary neuron numbers and definition of the olivary subnuclei are normal at birth but decline thereafter (J:20982). Death of inferior olivary neurons, like that of granule cells, is apparently an indirect effect of the Rorasg gene, caused by the lack of Purkinje cells with which to synapse (J:28468).Cerebellar cells of Rorasg/Rorasg mice at 7 days postnatal have immature cell surface components of a type which are present in +/+ cells at late prenatal and neonatal stages (J:6068, J:6088). In particular, the conversion of neural cell adhesion molecules (NCAM) from embryonic to adult form which is normally complete by 21 days does not occur in Rorasg/Rorasg mice (J:6930).Purkinje cells are the predominant siteof expression of calmodulin in the cerebellum of normal mice, but Rorasg/Rorasg mice do not produce any mRNA for the Calm1 locus in these cells (J:28469).Peripheral macrophages of staggerer mice, and those of several other cerebellar mutant mice, show greatly increased production of interleukin 1 beta (J:28095). Since Il1a and Tnf are also hyperexpressed in staggerer macrophages, the increases represent a general condition of hyperexcitability of these cells (J:1431). Il6 hyperexpression was also found in Rorasg/Rorasg mice but not in Grid2/+ animals (J:11652), although the latter did show hyperexpression of Il1a, Il1b, and Tnf (J:2228). Matsui et al. (J:28478) report elevated levels of somatostatin in brainsof several ataxic mouse mutants, including Rorasg homozygotes. The concentration of thyrotropin releasing hormone (TH) is also elevated in brains of these mutants (J:28467), and administration of a TRH analog, YM-14673, ameliorated the ataxia,suggesting that excess TRH may have an ataxic effect (J:18435).The reproductive life of Rorasg/Rorasg female mice is curtailed by late sexual maturation, irregular estrous cycling, and a shortened post-puberal period of reproduction (J:1960). Neonatal vestibular stimulation by rotation on a tilted plain improved gait and body balance in Rorasg/Rorasg mice and also led to improved mating efficiency (J:14535), suggesting that mating defects in these mice may bea secondary effect of the gait and balance difficulties. Long-term selection for ability to reproduce improved the maternal behavior of homozygous staggerer females without abolishing gait and balance difficulties, suggesting that Rorasg effects on reproduction are not entirely due to these difficulties (J:28416).Male staggerer mice are able to differentiate between pheromones secreted by estrous and anestrous females (J:15645). Some male Rorasg/Rorasg mice suffer from a penile disability, the penis in erection being directed rearward. The disability is intermittent even in those males subject to it, and is of little importance in determining male mating deficiency (J:32193).Although Rorasg/+ heterozygotes are behaviorally normal with normal cerebellar cytoarchitecture and composition, these heterozygotes suffer accelerated loss of Purkinje cells, granule cells, and inferior olivary neurons with age (J:1431).Rorasg/Rorasg homozygotesusually die during the fourth week of life. Some survive to adulthood, and one male has bred (J:13140).
Molecular Note This allele contains a 6.5kb genomic deletion of an exon encoding part of the ligand binding domain. The deletion results in an exon-skipping event that introduces a shift in the reading frame. The resulting protein is predicted to be truncated due to introduction of a premature stop codon. [MGI Ref ID J:31470]
 
Allele Symbol a
Allele Name nonagouti

Control Information

  Allele   Control
 Rorasg  Untyped from the colony
 
  Considerations for Choosing Controls
  Control Pricing Information for JAX® GEMM® Strains

Genotyping Protocols

Rorasg

Related Strains

Strains carrying   Rorasg allele
002651   B6.C3(Cg)-Rorasg/J
000285   B6.Cg-Rorasg + +/+ Myo5ad Bmp5se/J
View Strains carrying   Rorasg     (2 strains)

Strains carrying   a allele
003879   B10;TFLe-a/a T tf/+ tf/J
001538   B6 x B6C3Sn a/A-T(1;9)27H/J
000916   B6 x B6C3Sn a/A-T(5;12)31H/J
000602   B6 x B6C3Sn a/A-T(8;16)17H/J
000618   B6 x FSB/GnEi a/a Ctslfs/J
000577   B6 x STOCK a Oca2p Hps5ru2 Ednrbs/J
000601   B6 x STOCK a/a T(7;18)50H/J
000592   B6 x STOCK T(2;4)13H a/J
000001   B6.C3 A/a Mgrn1md/J
000785   B6;D2-a Es1e/J
000604   B6C3 a/A-T(10;13)199H +/+ Lystbg-J/J or Lystbg-2J/J
002807   B6C3Fe a/a-Meox2fla/J
000224   B6C3Fe a/a-Scyl1mdf/J
001037   B6C3Fe a/a-Agtpbp1pcd/J
000221   B6C3Fe a/a-Alx4lst-J/J
002062   B6C3Fe a/a-Atp7aMo-8J/J
001756   B6C3Fe a/a-Cacng2stg/J
001815   B6C3Fe a/a-Col1a2oim/J
000231   B6C3Fe a/a-Csf1op/J
000209   B6C3Fe a/a-Dh/J
000211   B6C3Fe a/a-Dstdt-J/J
000210   B6C3Fe a/a-Edardl-J/J
000207   B6C3Fe a/a-Edaraddcr/J
000182   B6C3Fe a/a-Eef1a2wst/J
001278   B6C3Fe a/a-Glra1spd/J
000241   B6C3Fe a/a-Glrbspa/J
002875   B6C3Fe a/a-Hoxd13spdh/J
000304   B6C3Fe a/a-Krt71Ca Scn8amed-J/J
000226   B6C3Fe a/a-Largemyd/J
000636   B6C3Fe a/a-Lmx1adr-J/J
001280   B6C3Fe a/a-Lse/J
001573   B6C3Fe a/a-MitfMi/J
001035   B6C3Fe a/a-Napahyh/J
000181   B6C3Fe a/a-Otogtwt/J
000278   B6C3Fe a/a-Papss2bm Hps1ep Hps6ru/J
000205   B6C3Fe a/a-Papss2bm/J
002078   B6C3Fe a/a-Pcdh15av-2J/J
000246   B6C3Fe a/a-Pitpnavb/J
001430   B6C3Fe a/a-Ptch1mes/J
000506   B6C3Fe a/a-Qkqk/J
000235   B6C3Fe a/a-Relnrl/J
000290   B6C3Fe a/a-Sox10Dom/J
000230   B6C3Fe a/a-Tcirg1oc/J
003612   B6C3Fe a/a-Trak1hyrt/J
001512   B6C3Fe a/a-Ttnmdm/J
001607   B6C3Fe a/a-Unc5crcm/J
000005   B6C3Fe a/a-Wc/J
000243   B6C3Fe a/a-Wnt1sw/J
000248   B6C3Fe a/a-Xpl/J
001750   B6C3Fe a/a-XsJ/J
000624   B6C3Fe a/a-anx/J
003020   B6C3Fe a/a-dep/J
002018   B6C3Fe a/a-din/J
002339   B6C3Fe a/a-nma/J
000240   B6C3Fe a/a-soc/J
000063   B6C3Fe a/a-sy/J
001055   B6C3Fe a/a-tip/J
000245   B6C3Fe a/a-tn/J
000296   B6C3Fe-a/a Hoxa13Hd Mcoln3Va-J/J
000019   B6C3Fe-a/a-Itpr1opt/J
001022   B6C3FeF1/J a/a
000971   B6EiC3 a/A-Och/J
000551   B6EiC3 a/A-Tbx15de-H/J
006450   B6EiC3 a/A-Vss/J
000557   B6EiC3-+ a/LnpUl A/J
000503   B6EiC3Sn a/A-Gy/J
001811   B6EiC3Sn a/A-Otcspf-ash/J
002343   B6EiC3Sn a/A-Otcspf/J
000391   B6EiC3Sn a/A-Pax6Sey-Dey/J
001924   B6EiC3Sn a/A-Ts(1716)65Dn
001923   B6EiC3Sn a/A-Ts(417)2Lws Tim/J
000225   C3FeLe.B6 a/a-Ptpn6me/J
000198   C3FeLe.B6-a/J
000291   C3FeLe.Cg-a/a Hm KitlSl Krt71Ca-J/J
001886   C3HeB/FeJLe a/a-gnd/J
000584   C57BL/6J-+ T(1;2)5Ca/a +/J
000284   CWD/LeJ
000670   DBA/1J
000671   DBA/2J
001057   HPT/LeJ
000260   JGBF/LeJ
000265   MY/HuLeJ
000308   SSL/LeJ
000994   STOCK a Myo5ad Mregdsu/J
000064   STOCK a Tyrp1b Sisi/J
002238   STOCK a Tyrp1b shmy/J
001433   STOCK a skt/J
000579   STOCK a tp/J
000319   STOCK a us/J
002648   STOCK a/a Cln6nclf/J
000317   STOCK a/a Egfrwa2/J
000302   STOCK a/a MitfMi-wh +/+ Itpr1opt/J
000286   STOCK a/a Myo5ad fd/+ +/J
000206   STOCK a/a Tyrc-h/J
001432   STOCK a/a Tyrp1b sks/Tyrp1b +/J
000281   STOCK a/a ma ft/ma ft/J
000312   STOCK stb + a/+ Fignfi a/J
000596   STOCK T(2;11)30H/+ x AEJ-a Gdf5bp-H/J or A/J-a Gdf5bp-J/J
000970   STOCK T(2;16)28H A/T(2;16)28H a/J
000590   STOCK T(2;4)1Sn a/J
000594   STOCK T(2;8)26H a/T(2;8)26H a Tyrp1+/Tyrp1b/J
000623   TR/DiEiJ
View Strains carrying   a     (102 strains)

Strains carrying other alleles of Rora
005047   C57BL/6J-Rorasg-3J/J
View Strains carrying other alleles of Rora     (1 strain)

Strains carrying other alleles of a
003301   (C57BL/6J x C3H-Eya1bor)F1/J
000251   AEJ.Cg-ae +/a Gdf5bp-H/J
000202   AEJ/Gn-bd/J
000199   AEJ/GnLeJ
000427   B10.CE-H13b Aw/(30NX)SnJ
000420   B10.LP-H13b Aw/Sn
000477   B10.PA-Pldnpa H3e at/SnJ
000419   B10.UW-H3b we Pax1un at/SnJ
000593   B6 x B6CBCa Aw-J/A-Grid2Lc T(2;6)7Ca MitfMi-wh/J
000502   B6 x B6CBCa Aw-J/A-Myo5aflr Gnb5flr/J
000599   B6 x B6CBCa Aw-J/A-T(5;13)264Ca KitW-v/J
002083   B6 x B6EiC3 a/A-T(7;16)235Dn/J
000507   B6 x B6EiC3 a/A-Otcspf/J
002016   B6(Cg)-Aw-J EdaTa-6J Chr YB6-Sxr/EiJ
000552   B6-Aw-J-EdaTa-6J.Cg-Sxr
001730   B6-Aw-J-EdaTa-6J.Cg-Sxrb Hya-/J
000841   B6-Aw-J.CBy-EdaTa-By/J
001809   B6-Aw-J.Cg-EdaTa-6J +/+ ArTfm/J
000600   B6-Gpi1b x B6CBCa Aw-J/A-T(7;15)9H Gpi1a/J
000769   B6.C/(HZ18)By-at-44J/J
000203   B6.C3-Aiy/a/J
000017   B6.C3Fe-Avy/J
000628   B6.CE-A Amy1b Amy2b/J
005505   B6.Cg-Ay Slc7a11sut/LmLlp
000021   B6.Cg-Ay/J
001572   B6.Cg-am-J/J
100409   B6129PF1/J-Aw-J/Aw
004200   B6;CBACa Aw-J/A-Npr2cn-2J/J
000505   B6C3 Aw-J/A-Mutedmu/J
000604   B6C3 a/A-T(10;13)199H +/+ Lystbg-J/J or Lystbg-2J/J
000065   B6C3Fe a/a-we Pax1un at/J
000314   B6CBACa Aw-J/A-EdaTa/J-XO
000501   B6CBACa Aw-J/A-Aifm1Hq/J
001046   B6CBACa Aw-J/A-Grid2Lc/J
000500   B6CBACa Aw-J/A-Gs/J
002703   B6CBACa Aw-J/A-Hydinhy3/J
000247   B6CBACa Aw-J/A-Kcnj6wv/J
000287   B6CBACa Aw-J/A-Plp1jp EdaTa/J
000515   B6CBACa Aw-J/A-SfnEr/J
000242   B6CBACa Aw-J/A-spc/J
000288   B6CBACa Aw-J/A-we a Mafbkr/J
001201   B6CBACaF1/J-Aw-J/A
001752   B6CBCa Aw-J/A-T(7;15)9H/J
006450   B6EiC3 a/A-Vss/J
000557   B6EiC3-+ a/LnpUl A/J
000504   B6EiC3Sn a/A-Cacnb4lh/J
000553   B6EiC3Sn a/A-Egfrwa2 Wnt3avt/J
001811   B6EiC3Sn a/A-Otcspf-ash/J
002343   B6EiC3Sn a/A-Otcspf/J
001923   B6EiC3Sn a/A-Ts(417)2Lws Tim/J
000200   C3FeB6 A/Aw-J-Ankank/J
000638   C3FeB6 A/Aw-J-Spnb4qv-J/J
001203   C3FeB6F1/J A/Aw-J
001272   C3H/HeSnJ-Ahvy/J
000099   C3HeB/FeJ-Avy/J
000338   C57BL/6J Aw-J-EdaTa-6J/J
000258   C57BL/6J-Ai/a/J
000774   C57BL/6J-Asy/a/J
000569   C57BL/6J-Aw-J-EdaTa +/+ ArTfm/J
000051   C57BL/6J-Aw-J/J
000055   C57BL/6J-at-33J/J
000070   C57BL/6J-atd/J
002468   KK.Cg-Ay/J
000262   LS/LeJ
000283   LT.CAST-A/J
001759   STOCK A Tyrc Sha/J
001427   STOCK Aw us/J
View Strains carrying other alleles of a     (67 strains)

Research Applications

This mouse can be used to support research in many areas including:

Rorasg related

Neurobiology Research
Ataxia (Movement) Defects
Cerebellar Defects (Purkinje cell defect)
Receptor Defects
Tremor Defects

References

Selected Reference(s)

Mamontova A; Seguret-Mace S; Esposito B; Chaniale C; Bouly M; Delhaye-Bouchaud N; Luc G; Staels B; Duverger N; Mariani J; Tedgui A. 1998. Severe atherosclerosis and hypoalphalipoproteinemia in the staggerer mouse, a mutant of the nuclear receptor RORalpha. Circulation 98(24):2738-43. [PubMed: 9851961]  [MGI Ref ID J:52105]

Additional References

Price and Supply Information

Strain Name: B6C3Fe a/a-Rorasg/J
Stock Number: 000237

Price Details

IMPORTANT NOTE: Prices are based on shipping destination. The shipping destinations are:

*Pricing for Shipping Destination selected:

        USA, Canada and Mexico

Price(s) in US dollars ($)
Cryorecovery Fee $1900.00
Cryopreserved Embryos Fee $1600.00

Supply Details

Standard SupplyRepository-Cryopreserved. Must Be Recovered. Please refer to pricing and supply notes for further information.
Supply Notes Cryopreserved Embryos
This strain is also available as cryopreserved embryos from our Repository. Orders for cryopreserved embryos are supplied subject to a signed agreement that must be returned to the Customer Service Department after order placement. Experienced technicians at The Jackson Laboratory have recovered frozen embryos of this strain successfully. We will provide you enough embryos to perform two embryo transfers. The Jackson Laboratory does not guarantee successful recovery at your facility. For complete information on purchasing embryos from our repository, please visit our Cryopreserved Embryos web page.
Cryorecovery - Standard.
The recovery process begins when a signed agreement form is returned to the Customer Service Department after order placement. Although results vary by strain, at least two males and two females (two pairs) will be provided, typically within 15 weeks of our receipt of the signed agreement form. If the first recovery attempt is unsuccessful or only one pair is recovered, a second recovery will be done, extending the delivery time to approximately 25 weeks. At least one member of each pair will be of known genotype and will carry the mutation if it is a mutant strain. Please note that pairs may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation of the strain. Mating schemes are sometimes modified for successful cryopreservation. Price represents a repository maintenance fee, which includes the cost of recovery of the strain from the cryopreservation resource and the periodic replacement of the frozen embryos used for recovery.

Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
One to two pairs will be recovered to establish a Dedicated Supply of mice. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services: Tel: 1-800-422-6423 or 1-207-288-5845; Email: jaxservices@jax.org.
Individual mice must be shipped prior to weaning and with a lactating female. Lactating females are not needed for pairs.
This strain is included in the Mouse Mutant Resource collection.
Genomic DNA is available for this strain from the Mouse DNA Resource.

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The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project.
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