- small testis / MGI
- male infertility / MGI
- no phenotypic analysis / MGI
- decreased testis weight / MGI
- azoospermia / MGI
- abnormal male germ cell morphology / MGI
- abnormal spermatogonia morphology / MGI
- abnormal spermatocyte morphology / MGI
- arrest of male meiosis / MGI
- abnormal male germ cell apoptosis / MGI
- abnormal DNA methylation during gametogenesis / MGI
- abnormal synaptonemal complex / MGI
B6;129-Tdrd9tm1Embrp/Cnrm
Status | Available to order |
EMMA ID | EM:08489 |
Citation information | RRID:IMSR_EM:08489 Research Resource Identifiers (RRID) are persistent unique ID numbers assigned to help researchers cite key resources (e.g. antibodies, model organisms and software projects) in the biomedical literature to improve transparency and reproducibility in research. See https://www.rrids.org/ for more information. |
International strain name | B6;129-Tdrd9tm1Embrp/Cnrm |
Alternative name | Tdrd9 KI (E257Q) cKO+Neo. |
Strain type | Targeted Mutant Strains : Knock-in |
Allele/Transgene symbol | Tdrd9tm1Embrp |
Gene/Transgene symbol | Tdrd9 |
Information from provider
Provider | Ramesh PILLAI |
Provider affiliation | Grenoble Outstation, EMBL |
Genetic information | The Tdrd9 gene carries a single point mutation (E257Q) in the ATPase motif (exon 5) that is predicted to kill its activity. Presence of loxP sites flanking exons 3-5 allows generation of conditional KOs. Note that the Neo cassette used for selection of the targeted ES cell line (A9 ES cells) is retained in the mouse line. |
Phenotypic information | Homozygous:Homozygous KI males are infertile.Heterozygous:Males and females are viable and fertile. |
Breeding history | The founder male was generated with targeted A9 ES cells injected into C57BL/6N host embryos. The founder was crossed with C57BL/6N females. The F1 generation was genotyped for presence of the targeted allele. |
References |
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Homozygous fertile | females only |
Homozygous viable | yes |
Homozygous matings required | no |
Immunocompromised | no |
Information from EMMA
Archiving centre | CNR, Consiglio Nazionale delle Ricerche, Monterotondo, Italy |
Disease and phenotype information
Orphanet associated rare diseases, based on orthologous gene matching
- Male infertility with azoospermia or oligozoospermia due to single gene mutation / Orphanet_399805
MGI phenotypes (gene matching)
Literature references
- Distinct Roles of RNA Helicases MVH and TDRD9 in PIWI Slicing-Triggered Mammalian piRNA Biogenesis and Function.;Wenda Joanna M, Homolka David, Yang Zhaolin, Spinelli Pietro, Sachidanandam Ravi, Pandey Radha Raman, Pillai Ramesh S, ;2017;Developmental cell;41;623-637.e9; 28633017
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