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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		AsmtC57BL/6JJcl
C57BL/6JJcl
MGI:6144036
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		AsmtC57BL/6JJcl/AsmtC57BL/6JJcl C57BL/6JJcl MGI:6161770


Genotype
MGI:6161770
hm1
Allelic
Composition		 AsmtC57BL/6JJcl/AsmtC57BL/6JJcl
Genetic
Background		 C57BL/6JJcl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
AsmtC57BL/6JJcl mutation (0 available); any Asmt mutation (22 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
endocrine/exocrine glands
increased testis weight ( J:159317 )
• homozygous mice exhibit an increased testis weight at 8 weeks of age
abnormal pineal gland melatonin secretion ( J:159317 )
• no melatonin is produced in the pineal gland of homozygous mice

nervous system
abnormal pineal gland melatonin secretion ( J:159317 )
• no melatonin is produced in the pineal gland of homozygous mice

reproductive system
increased testis weight ( J:159317 )
• homozygous mice exhibit an increased testis weight at 8 weeks of age




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