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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Gcna
germ cell nuclear acidic protein
MGI:105113
23 phenotypes from 1 allele in 3 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
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/Y
Dppa3tm1(cre)Peli/Dppa3+
involves: 129S7/SvEvBrd * C57BL/6N
abnormal cell cycle J:344952
abnormal seminiferous tubule morphology J:344952
abnormal spermatogenesis J:344952
abnormal spermatogonia proliferation J:344952
abnormal testis morphology J:344952
normal cellular phenotype J:344952
decreased male germ cell number J:344952
decreased spermatogonia number J:344952
decreased testis weight J:344952
normal growth/size/body region phenotype J:344952
normal mortality/aging J:344952
oligozoospermia J:344952
testicular atrophy J:344952
Gcnatm1.1Dcp/Y
Dppa3tm1(cre)Peli/Dppa3+
Tg(Pou5f1-EGFP)2Mnn/0
involves: 129S7/SvEvBrd * C57BL/6J * C57BL/6N * CBA/CaJ
normal reproductive system phenotype J:344952
Gcnatm1.1Dcp/Gcnatm1.1Dcp
Ddx4tm1.1(cre)Dcp/Ddx4+
involves: C57BL/6 * C57BL/6N
normal reproductive system phenotype J:235710
Gcnatm1.1Dcp/Gcnatm1.1Dcp
Dppa3tm1(cre)Peli/Dppa3+
involves: 129S7/SvEvBrd * C57BL/6N
no abnormal phenotype detected J:344952

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
09/30/2025
MGI 6.24
The Jackson Laboratory