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International Mouse Strain Resource
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last database update
May 8, 2008
IMSR 2.1
 
  Participating in the IMSR  

We encourage you to participate with us in making this database as complete as possible for all worldwide mouse strain resources. If you or your institution hold mice, cryopreserved gametes or embryos, or ES cell lines that you distribute to other researchers, contributing information about them to the IMSR catalog will make them more widely known.

Contributing Strain Information to IMSR

To contribute data to the IMSR, there are three steps: register; correspond with the IMSR staff to set up scheduled submissions; begin submitting data.

Registering

As the initial step in contributing data to the IMSR, a holder site must register by contacting the IMSR staff (imsr@jax.org) or by using our registration form.

Setting Up For Submission

Once you have registered with the IMSR you will be contacted by the IMSR staff. We will need to finalize issues such as: your ability to comply with our recommended submission format; planning the frequency of your submissions; and other details surrounding the submission process.

Submission Format

The IMSR accepts submissions as files in tab-delimited text format.
  • For each Strain ID - Strain Designation - Strain Type combination, there will be one or more lines in the file.
  • If a Strain carries more than one mutation, each Mutation description, i.e., the set:
    (Mutation Type - Chromosome - Gene Symbol - Gene Name - Allele Symbol - Allele Name) will require a separate line.
Column
Description
Example **
Strain/Stock ID The unique ID used by your site to represent this strain. 4369
Strain/Stock Designation Full strain name. Superscripted portions of the name are enclosed in < >. For more information on nomenclature* of strain names see Mouse Nomenclature Guides. C57BL/6J-Rag1<tm1Mom> Ins2<Akita>/J
Strain Type Type of strain, comma-separated list. See below for the accepted list of strain types. SEG, MSR
State State in which the strain is held. Like strain type, if a strain is held in multiple states at a given site, it should be included as a comma-separated list. See below for strain state abbreviations. LM,EM
MGI Allele Accession ID This is the MGI Accession ID for the Allele. Use of this field should make providing allele symbol and name unnecessary. (Optional) MGI:1857241
Allele Symbol Allele associated with this gene and strain. If a strain carries multiple alleles, a separate line is required for each. Please verify nomenclature* by searching MGI. Rag1<tm1Mom>
Allele Name Name of the Allele.(Optional, to aid in curation when symbol does not exist in MGI) targeted mutation 1, Peter Mombaerts
Mutation Type For each mutant allele, specifies the type of mutation that it represents. Usually there will be only one mutation type per Allele. Should there be an exception to this rule, these should be submitted as a comma-separated list. See below for mutation type abbreviations. TM
Chromosome Chromosome on which the Gene is located. 2
MGI Gene Accession ID This is the MGI Accession ID for the Gene. Use of this field should make providing gene symbol and name unnecessary. (Optional) MGI:97848
Gene Symbol Gene Symbol for mutation carried in this strain. If a strain carries multiple gene mutations, a separate line is required for each. Please verify nomenclature* by searching MGI. Rag1
Gene Name Name of the Gene.(Optional, to aid in curation when symbol does not exist in MGI) recombination activating gene 1

* Additional nomenclature assistance is available by emailing strains@informatics.jax.org.
** For this strain example (C57BL/6J-Rag1tm1Mom Ins2Akita/J), the submission file would include 2 lines. The first line is represented in the "Example" column above. Two lines (below) are required because two mutations are carried in this strain.

4369   C57BL/6J-Rag1<tm1Mom> Ins2<Akita>/J   SEG,MSR   LM,EM   MGI:1857241   Rag1<tm1Mom>   targeted mutation 1, Peter Mombaerts   TM   2   MGI:97848   Rag1   recombination activating gene 1  
4369   C57BL/6J-Rag1<tm1Mom> Ins2<Akita>/J   SEG,MSR   LM,EM  MGI:1857572   Ins2<Akita>   Akita   SP   7   MGI:96573   Ins2   insulin II



Strain State Abbreviations
(IMSR Glossary)
LM live mouse
OV cryopreserved ovaries
EM cryopreserved embryos
SP cryopreserved or freeze-dried sperm
ES ES cell lines
Strain Type Abbreviations
(IMSR Glossary)
IS inbred strain
SEG segregating inbred strain
MSR mutant strain
MSK mutant stock
WDS wild-derived inbred strain
COI coisogenic strain
CON congenic strain
CSS consomic or chromosome substitution strain
RI recombinant inbred (RI)
RC recombinant congenic (RC)
MAH major histocompatibility congenic
MIH minor histocompatibility congenic
NON noninbred stock
CCO closed colony
UN unclassified
Mutation Type Abbreviations
(IMSR Glossary)
SM spontaneous mutation
TM targeted mutation
TG transgenic
GT gene trap
CI chemically induced mutation
RAD radiation induced mutation
CH chromosomal aberration
RB Robertsonian translocation
TL reciprocal translocation
TP transposition
INV inversion
INS insertion
DEL deletion
DP duplication
OTH other

Submitting and Updating Data

Data files may be submitted regularly to a specific ftp address where they can be picked up and processed. We encourage data updates at minimum on a 6-month schedule. Please discuss these needs with the IMSR staff at The Jackson Laboratory (imsr@jax.org).