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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Alas1tm1.1Mym
targeted mutation 1.1, Masayuki Yamamoto
MGI:4440831
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Alas1tm1.1Mym/Alas1tm1.1Mym either: (involves: C57BL/6) or (involves: ICR) MGI:4440832


Genotype
MGI:4440832
hm1
Allelic
Composition		 Alas1tm1.1Mym/Alas1tm1.1Mym
Genetic
Background		 either: (involves: C57BL/6) or (involves: ICR)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Alas1tm1.1Mym mutation (0 available); any Alas1 mutation (49 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
embryonic lethality between implantation and placentation, complete penetrance ( J:158435 )
• fewer than expected mice are present at E7.5
• all mice are reabsorbed by E8.5

embryo

growth/size/body
embryonic growth retardation ( J:158435 )
• at E6.5




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
09/30/2025
MGI 6.24 		The Jackson Laboratory