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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Dicer1+
wild type
MGI:2436527
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Dicer1tm1b(EUCOMM)Wtsi/Dicer1+ C57BL/6N-Dicer1tm1b(EUCOMM)Wtsi/H MGI:5756992
cn2
Dicer1tm1Bdh/Dicer1+
Yy1tm2.1Yshi/Yy1+
Shhtm1(EGFP/cre)Cjt/Shh+
involves: 129 * 129S4/SvJae * C57BL/6 MGI:5902326
cn3
Dicer1tm1Bdh/Dicer1+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
involves: 129 * C57BL/6 * CBA/J MGI:4868201
cn4
Dicer1tm1Bdh/Dicer1+
Tg(Chx10-EGFP/cre,-ALPP)2Clc/0
involves: 129 * C57BL/6 * SJL MGI:6383085


Genotype
MGI:5756992
ht1
Allelic
Composition
Dicer1tm1b(EUCOMM)Wtsi/Dicer1+
Genetic
Background
C57BL/6N-Dicer1tm1b(EUCOMM)Wtsi/H
Cell Lines EPD0597_3_H11
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dicer1tm1b(EUCOMM)Wtsi mutation (1 available); any Dicer1 mutation (96 available)
Data Sources
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological

growth/size/body

hematopoietic system
IMPC - HAR

homeostasis/metabolism

immune system
IMPC - HAR

vision/eye




Genotype
MGI:5902326
cn2
Allelic
Composition
Dicer1tm1Bdh/Dicer1+
Yy1tm2.1Yshi/Yy1+
Shhtm1(EGFP/cre)Cjt/Shh+
Genetic
Background
involves: 129 * 129S4/SvJae * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dicer1tm1Bdh mutation (6 available); any Dicer1 mutation (96 available)
Shhtm1(EGFP/cre)Cjt mutation (2 available); any Shh mutation (48 available)
Yy1tm2.1Yshi mutation (0 available); any Yy1 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
respiratory system
N
• embryos do not present lung defects




Genotype
MGI:4868201
cn3
Allelic
Composition
Dicer1tm1Bdh/Dicer1+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Genetic
Background
involves: 129 * C57BL/6 * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dicer1tm1Bdh mutation (6 available); any Dicer1 mutation (96 available)
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (25 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• thymus development is delayed at E14.5, but by E16.5, the thymus is indistinguishable from wild-type

immune system
• thymus development is delayed at E14.5, but by E16.5, the thymus is indistinguishable from wild-type

endocrine/exocrine glands
• thymus development is delayed at E14.5, but by E16.5, the thymus is indistinguishable from wild-type




Genotype
MGI:6383085
cn4
Allelic
Composition
Dicer1tm1Bdh/Dicer1+
Tg(Chx10-EGFP/cre,-ALPP)2Clc/0
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dicer1tm1Bdh mutation (6 available); any Dicer1 mutation (96 available)
Tg(Chx10-EGFP/cre,-ALPP)2Clc mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• no morphological abnormalities are seen in the retina
• scotopic a wave amplitude is reduced at 1, 3, and 5 months of age
• scotopic and photopic b wave amplitudes are reduced at 1, 3, and 5 months of age





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last database update
01/13/2026
MGI 6.24
The Jackson Laboratory