Strain Name: |
B6C3Fe a/a-Lmx1adr-J/J |
|---|---|
Stock Number: |
000636 |
Availability: | Repository- Live |
Price and Supply Information | |
General Terms and Conditions |
| Former Name |
B6C3Fe-a/a-Lmx1adr-J (Changed: 15-DEC-04
) |
| Genes & Alleles | Lmx1a; Lmx1adr-J; a; |
Type JAX® GEMM® Strain - Mutant Strain Additional information on JAX® GEMM® Strains. Mating System Ovarian Transplant-Cross-Intercross (Female x Male) TJL Breeding Scheme: ovarian transplant recipient from homozygote x B6C3FeF1 a/a (001022) then obligate heterozygote x heterozygote Species laboratory mouse H2 Haplotype k/b segregating Generation N49F1 (14-DEC-07) Appearance
black (may have white belly spot), circling, ataxic, short tail
Related Genotype: a/a Lmx1adr-J/Lmx1adr-J
black, unaffected
Related Genotype: a/a Lmx1adr-J/+ or a/a ?/+Strain Description
Lmx1a encodes a LIM homeodomain (LIM-hd) protein that is expressed in the roof plate along the neuraxis during CNS development. The Lmx1adr-J mutation replaces a conserved cysteine in the LIM1 domain of the protein with a tyrosine (Millonig et al. 2000).Mice homozygous for Lmx1adr-Jare identifiable at birth by a thin filament extending from the end of the tail, which drops off within a few days, and a short or blunt tail. They may also have a head bleb. When fur develops, there may be a white belly spot. Lmx1adr-J/Lmx1adr-J mice are ataxic and hyperactive and have difficulty righting themselves, and they do not reproduce (Sweet and Wahlsten 1983). They also exhibit circling behavior, are deaf, and have inner ear and vertebral malformations (Manzanares et al. 2000).
Lmx1adr-J homozygotes exhibit defects of three classes of anatomic structures: the hindbrain roof plate, neural crest derived tissues, and the axial skeleton. Failure of roofplate development results in absence of dorsal interneurons of the spinal cord and of granule neurons of the cerebellar cortex and failure of the dorsal vertebral neural arches to form (Millonig et al. 2000). The cerebellum is smaller than normal, in some cases virtually absent, and exhibits disrupted foliation (Sweet and Wahlsten 1983; Sekiguchi et al. 1992). The cytoarchitectural organization of the neocortex, the hippocampus and the dentate gyrus is disrupted (Sekiguchi et al. 1992, 1993, 1994, 1996). Skeletal anomalies include abnormal neural crest derived cranial bones and improper fusion of cervical and thoracic vertebrae at the dorsal midline (Mananares et al. 2000). Deafness may be the consequence of "serious morphogenetic defects of the otic vesicle due to the dorsal neural tube abnormalities," perhaps augmented by "abnormal sensory and motor projections" in the region of rhombomeres 4-6 (Manzanares et al. 2000). Although they have no external or behavioral phenotype, 50% of heterozygotes exhibit histological pathology of the hippocampus qualitatively similar, but less extensive, than that of homozygotes (Patrylo et al. 1990).
Strain Development
The Lmx1adr-J mutation, originally called sstJ and later known as drsst-J and as drJ, arose in the C3FeB6-A/Aw-J-ank colony in the Mouse Mutant Stocks Center at The Jackson Laboratory (Sweet and Wahlsten 1983). Since its discovery, it has been maintained by crossing ovary transplant recipients to B6C3Fe-a/a males; the black coat color of the present background makes it easy to distinguish pups derived from the transplanted ovary from any that might result from residual host ovarian tissue. Identification of the alleles for markers flanking Lmx1a in Lmx1adr-J/Lmx1adr-J progeny of B6C3Fe a/a-Lmx1adr-J/J pairs demonstrated that the mutation occurred on the C3H chromosome (Millonig et al. 2000).
Mammalian Phenotype Terms assigned by genotype |
| Allele Symbol | Lmx1adr-J | ||
|---|---|---|---|
| Allele Name | dreher Jackson | ||
| Common Name(s) | sstJ; | ||
| Strain of Origin | C3FeB6 A/Aw-J-Ankank/J | ||
| Gene Symbol and Name | Lmx1a, LIM homeobox transcription factor 1 alpha | ||
| Chromosome | 1 | ||
| Gene Common Name(s) | LMX-1; LMX1; LMX1.1; MGC87616; dr; dreher; shaker short-tail; sst; | ||
| General Note | Abnormalities of cytoarchitectonics have been studied in the hippocampus and cerebellum of drJ/drJ mice (J:1460). An abnormal distribution of acetylcholinesterase accompanies the cytoarchitectonic abnormalities (J:14476). A disruption of neuronal migration may lie behind these abnormal conditions (J:17085). | ||
| Molecular Note | A G-to-A transition mutation results in a conserved cysteine to a tyrosine amino acid change in the LIM1 domain of the encoded protein. The conserved cysteine is thought to be required for coordination of zinc that is essential for the function of the LIM domain, and thus the transcriptional activity of the protein. [MGI Ref ID J:60593] | ||
| Allele Symbol | a | ||
| Allele Name | nonagouti | ||
| Allele | Control | |
|---|---|---|
| Lmx1adr-J | Untyped from the colony | |
| Considerations for Choosing Controls | ||
| Control Pricing Information for JAX® GEMM® Strains | ||
Strains carrying a allele
View Strains carrying a (102 strains)
Strains carrying other alleles of Lmx1a
004202 B6.C3 Pde6brd1 Hps4le/+ +-Lmx1adr-8J/J 002624 B6.C3-Lmx1adr-6J/J View Strains carrying other alleles of Lmx1a (2 strains)
Strains carrying other alleles of a
View Strains carrying other alleles of a (67 strains)
Room Number FGB29
Lmx1adr-J related
Developmental Biology Research
Craniofacial and Palate Defects
Neural Tube Defects
Neurobiology Research
Cerebellar Defects
Neural Tube Defects
Vestibular and Hearing Defects
Sensorineural Research
Vestibular and Hearing Defects
| Strain Name: | B6C3Fe a/a-Lmx1adr-J/J |
| Stock Number: | 000636 |
IMPORTANT NOTE: Prices are based on shipping destination. The shipping destinations are:
| Price(s) in US dollars ($) | Genotype(s) Provided | ||||
|---|---|---|---|---|---|
| Individual Mouse Price | $203.30 | Homozygous for Lmx1adr-J | |||
| Pair | $256.40 | Heterozygous for Lmx1adr-J x Heterozygous for Lmx1adr-J | |||
| Standard Supply | Repository-Live. A collection of over 1000 strains maintained as live colonies. Individual colonies are sized to meet current customer demand. Delivery for orders of 10 mice or less ranges on average from one to eight weeks; mice are generally shipped between four to six weeks of age with a maximum shipping age of ~nine weeks. Colony sizes do not generally support stringent age specifications for large volumes of mice; however custom orders and larger quantities of mice are easily arranged. Estimated ship dates for all orders provided within 48 hours of order placement. |
|---|---|
| Supply Notes |
Histology and Tissue Collection Services are available for all JAX® Mice strains. For more information, please contact Customer Service at orderquest@jax.org or 1-800-422-6423. Usually shipped between four and eight weeks of age. This strain is included in the Mouse Mutant Resource collection. Genomic DNA is available for this strain from the Mouse DNA Resource. |
| Licensing | See General Terms and Conditions below |
| Control Information | View Control Information in Strain Details. View Control Pricing Information for JAX® Strains. |
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