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Phenotypes Associated with This Genotype
Genotype
MGI:2653667
Allelic
Composition		 Cd79btm1Mnz/Cd79btm1Mnz
Tg(Rag2-Igb)1Mnz/0
Genetic
Background		 involves: 129S1/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd79btm1Mnz mutation (0 available); any Cd79b mutation (36 available)
Tg(Rag2-Igb)1Mnz mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
arrested B cell differentiation ( J:78601 )
• B cells fail to proceed past the pre-B cell stage and do not differentiate into IgM+ immature B cells
abnormal pre-B cell morphology ( J:78601 )
• pre-B cells exhibit increased apoptosis

immune system
arrested B cell differentiation ( J:78601 )
• B cells fail to proceed past the pre-B cell stage and do not differentiate into IgM+ immature B cells
abnormal pre-B cell morphology ( J:78601 )
• pre-B cells exhibit increased apoptosis

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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Send questions and comments to User Support. 		last database update
03/25/2025
MGI 6.24 		The Jackson Laboratory