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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Sucla2+
wild type
MGI:2436784
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Sucla2Gt(SAbetageo)1Bhg/Sucla2+ involves: 129S6/SvEvTac * C57BL/6 MGI:5585621
ht2
Sucla2Gt(IST10208H1)Tigm/Sucla2+ involves: 129S/SvEv * C57BL/6N MGI:6153993
cx3
Sucla2Gt(IST10208H1)Tigm/Sucla2+
Suclg2Gt(Ayu21-KBW131)Imeg/Suclg2+
involves: 129S/SvEv * C57BL/6 * C57BL/6N MGI:6153997


Genotype
MGI:5585621
ht1
Allelic
Composition
Sucla2Gt(SAbetageo)1Bhg/Sucla2+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sucla2Gt(SAbetageo)1Bhg mutation (0 available); any Sucla2 mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• increased mitochondrial DNA in mouse embryonic fibroblasts during the first week of culture

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
mitochondrial DNA depletion syndrome 5 DOID:0080124 OMIM:612073
J:213453




Genotype
MGI:6153993
ht2
Allelic
Composition
Sucla2Gt(IST10208H1)Tigm/Sucla2+
Genetic
Background
involves: 129S/SvEv * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sucla2Gt(IST10208H1)Tigm mutation (1 available); any Sucla2 mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
N
• most state 2 and 3 respiration in mitochondria from liver, heart and brain of 3-, 6- and 12-months old mice
• complex I, II, II/III and IV electron transport chain activities, relative to citrate synthase activity, in mitochondria from liver, heart and brain of 3-, 6- and 12-months old mice
• mitochondrial DNA content in liver, heart and brain of 6- and 12-months old mice
• in mitochondria from liver, heart and brain of 3-months old mice
• some reduced state 3 respiration in mitochondria from heart of 6-months old, and state 2 and state 3 respiration in mitochondria from heart of 12-months old, and state 3 respiration in mitochondria from liver of 3- and 12-months old mice
• significant decrease in ATP-generating activity in mitochondria from liver, heart and brain of 3-, 6- and 12-months old mice
• significant increase in GTP-generating activity in mitochondria from heart of 3-, 6- and 12-months old mice

homeostasis/metabolism
• increased levels of short- and long-chain carnitine esters in blood

cardiovascular system

liver/biliary system

muscle




Genotype
MGI:6153997
cx3
Allelic
Composition
Sucla2Gt(IST10208H1)Tigm/Sucla2+
Suclg2Gt(Ayu21-KBW131)Imeg/Suclg2+
Genetic
Background
involves: 129S/SvEv * C57BL/6 * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sucla2Gt(IST10208H1)Tigm mutation (1 available); any Sucla2 mutation (53 available)
Suclg2Gt(Ayu21-KBW131)Imeg mutation (0 available); any Suclg2 mutation (49 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cellular
• in mitochondria from liver and brain of 12-months old mice
• significant decrease in ATP-generating activity in mitochondria from heart and brain of 12-months old mice
• significant increase in succinate dehydrogenase (electron transport chain) activity in mitochondria from heart of 12-months old mice
• ATP-generating activity in mitochondria from liver of 12-months old mice
• GTP-generating activity in mitochondria from liver, heart and brain of 12-months old mice

liver/biliary system

homeostasis/metabolism
• increased levels of some carnitine esters in blood





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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last database update
03/24/2026
MGI 6.24
The Jackson Laboratory