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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Ddx4
DEAD box helicase 4
MGI:102670
14 phenotypes from multigenic genotypes
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Allelic Composition
Genetic Background
Annotated Term Reference
Ddx4tm1.1(cre)Dcp/Ddx4+
Rb1tm3Tyj/Rb1tm3Tyj
involves: 129S4/SvJae * C57BL/6
abnormal fertility/fecundity J:198777
abnormal spermatogenesis J:198777
decreased testis weight J:198777
male infertility J:198777
small testis J:198777
Gcnatm1.1Dcp/Y
Ddx4tm1.1(cre)Dcp/Ddx4+
involves: C57BL/6 * C57BL/6N
abnormal chromosomal synapsis J:284005
abnormal DNA repair J:284005
abnormal male meiosis J:284005
abnormal sperm head morphology J:284005
absent chiasmata formation J:284005
chromosomal instability J:284005
male infertility J:235710
oligozoospermia J:235710
reduced male fertility J:235710
Gcnatm1.1Dcp/Gcnatm1.1Dcp
Ddx4tm1.1(cre)Dcp/Ddx4+
involves: C57BL/6 * C57BL/6N
normal reproductive system phenotype J:235710

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
12/30/2025
MGI 6.24
The Jackson Laboratory