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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Zswim7em1Mjn
endonuclease-mediated mutation 1, Maria Jasin
MGI:6287662
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Zswim7em1Mjn/Zswim7em1Mjn involves: C57BL/6J * CBA/J MGI:6287689
cx2
Chek2tm1Mak/Chek2tm1Mak
Zswim7em1Mjn/Zswim7em1Mjn
involves: 129P2/OlaHsd * C57BL/6J * CBA/J MGI:6287690
cx3
Swsap1em1Mjn/Swsap1em1Mjn
Zswim7em1Mjn/Zswim7em1Mjn
involves: C57BL/6J * CBA/J MGI:6287691


Genotype
MGI:6287689
hm1
Allelic
Composition
Zswim7em1Mjn/Zswim7em1Mjn
Genetic
Background
involves: C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Zswim7em1Mjn mutation (0 available); any Zswim7 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• reduced RAD51 and DMC1 focus numbers at leptonema
• crossover defects in oocytes
• however, double strand breaks form and are resected
• in some ovaries
• at 3 days postpartum
• 3- to 8-fold
• 3- to 4-fold
• however, testis weight at 7.5 days postpartum is normal

cellular
• reduced RAD51 and DMC1 focus numbers at leptonema
• crossover defects in oocytes
• however, double strand breaks form and are resected
• in some ovaries

endocrine/exocrine glands
• in some ovaries
• at 3 days postpartum
• 3- to 8-fold
• 3- to 4-fold
• however, testis weight at 7.5 days postpartum is normal




Genotype
MGI:6287690
cx2
Allelic
Composition
Chek2tm1Mak/Chek2tm1Mak
Zswim7em1Mjn/Zswim7em1Mjn
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Chek2tm1Mak mutation (1 available); any Chek2 mutation (53 available)
Zswim7em1Mjn mutation (0 available); any Zswim7 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
N
• mice exhibit normal ovary weight and follicle development
• improved cellularity compared with Zswim7em1Mjn homozygotes
• reduced litter sizes
• females produce reduced litters

cellular

endocrine/exocrine glands
• improved cellularity compared with Zswim7em1Mjn homozygotes




Genotype
MGI:6287691
cx3
Allelic
Composition
Swsap1em1Mjn/Swsap1em1Mjn
Zswim7em1Mjn/Zswim7em1Mjn
Genetic
Background
involves: C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Swsap1em1Mjn mutation (0 available); any Swsap1 mutation (16 available)
Zswim7em1Mjn mutation (0 available); any Zswim7 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• 3- to 8-fold
• 3- to 4-fold
• however, testis weight at 7.5 days postpartum is normal

endocrine/exocrine glands
• 3- to 8-fold
• 3- to 4-fold
• however, testis weight at 7.5 days postpartum is normal





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last database update
09/03/2024
MGI 6.24
The Jackson Laboratory