Term Name:	mitochondrial DNA depletion syndrome 9
Synonyms:	fatal infantile lactic acidosis
Definition:	A mitochondrial DNA depletion syndrome that is characterized by infantile onset of hypotonia, lactic acidosis, severe psychomotor retardation, progressive neurologic deterioration, and excretion of methylmalonic acid, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the alpha subunit of the succinate-CoA ligase gene on chromosome 2p11.
Ontology:	Human Disease [DOID:0080128]   ( DOID:0080128 )