About   Help   FAQ
Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Ppa1
pyrophosphatase (inorganic) 1
MGI:97831
34 phenotypes from 1 allele in 1 genetic background
Export: Excel File
Allelic Composition
Genetic Background
Annotated Term Reference
Ppa1em1Cya/Ppa1+
involves: C57BL/6JCya
abnormal adipose tissue distribution J:361168
abnormal fat cell mitochondrial morphology J:361168
abnormal white adipose tissue morphology J:361168
abnormal white fat cell size J:361168
decreased carbon dioxide production J:361168
decreased circulating adiponectin level J:361168
decreased energy expenditure J:361168
decreased epididymal fat pad weight J:361168
decreased fat cell mitochondrial DNA content J:361168
decreased lean body mass J:361168
decreased mitochondrial number J:361168
decreased mitochondrial size J:361168
decreased oxygen consumption J:361168
decreased respiratory quotient J:361168
decreased subcutaneous adipose tissue amount J:361168
decreased total body fat amount J:361168
decreased white fat cell size J:361168
impaired glucose tolerance J:361168
increased body fat mass J:361168
increased circulating free fatty acids level J:361168
increased circulating glucose level J:361168
increased circulating insulin level J:361168
increased circulating triglyceride level J:361168
increased fatty acids level J:361168
increased liver free fatty acids level J:361168
increased liver triglyceride level J:361168
increased liver weight J:361168
increased muscle free fatty acids level J:361168
increased skeletal muscle triglyceride level J:361168
increased susceptibility to diet-induced hepatic steatosis J:361168
increased susceptibility to diet-induced obesity J:361168
increased triglyceride level J:361168
insulin resistance J:361168
Ppa1em1Cya/Ppa1em1Cya
involves: C57BL/6JCya
lethality, complete penetrance J:361168

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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
01/13/2026
MGI 6.24
The Jackson Laboratory