Mitochondrial DNA Mutations by Clinical Phenotype

Below are the confirmed point mutations1 associated with mitochondrial diseases:

Locus

Description

Mutation

Leigh Disease

 

 

 

ATP6

ATP synthase F0 subunit 6

T8993C4

ATP6

ATP synthase F0 subunit 6

T8993G4

ATP6

ATP synthase F0 subunit 6

T9176C

ND3

NADH dehydrogenase subunit 3

T10158C

ND3

NADH dehydrogenase subunit 3

T10191C

ND3

NADH dehydrogenase subunit 3

G10197A

ND4

NADH dehydrogenase subunit 4

C11777A

ND5

NADH dehydrogenase subunit 5

T12706C

ND5

NADH dehydrogenase subunit 5

G13513A

ND6

NADH dehydrogenase subunit 6

G14459A

ND6

NADH dehydrogenase subunit 6

T14487C

 

 

 

 MELAS 2

 

 

 

TF

tRNA phenylalanine

G583A

TL1

tRNA leucine (UUR)

A3243G

TL1

tRNA leucine (UUR)

C3256T

TL1

tRNA leucine (UUR)

T3271C

TL1

tRNA leucine (UUR)

T3291C

ND1

NADH Dehydrogenase subunit 1

T3308C

TQ

tRNA glutamine

G4332A

TH

tRNA histidine

G12147A

ND5

NADH dehydrogenase subunit 5

G13513A

ND5

NADH dehydrogenase subunit 5

A13514G

ND6

NADH dehydrogenase subunit 6

G14453A

 

 

 

 Mitochondrial Myopathy

 

 

 

TF

tRNA phenylalanine

G583A

TL1

tRNA leucine (UUR)

A3243G

TL1

tRNA leucine (UUR)

A3302G

TN

tRNA asparagine

G5703A

TS1

tRNA serine (UCN)

G7497A

TE

tRNA glutamic acid

T14709C

 

 

 

 MERRF2

 

 

 

TK

tRNA lysine

A8344G

TK

tRNA lysine

T8356C

TK

tRNA lysine

G8363A

TH

tRNA histidine

G12147A

 

 

 

Cardiomyopathy3

 

 

 

TL1

tRNA leucine (UUR)

A3260G

TL1

tRNA leucine (UUR)

C3303T

 

 

 

 PEO2

 

 

 

TL1

tRNA leucine (UUR)

A3243G

TI

tRNA isoleucine

G4298A

TN

tRNA asparagine

G5703A

TL2

tRNA leucine (CUN)

G12315A

 

 

 

LHON2

 

 

 

ND1

NADH Dehydrogenase subunit 1

G3460A

ND4

NADH Dehydrogenase subunit 4

G11778A

ND6

NADH Dehydrogenase subunit 6

G14459A

ND6

NADH Dehydrogenase subunit 6

C14482G

ND6

NADH Dehydrogenase subunit 6

T14484C

ND6

NADH Dehydrogenase subunit 6

C14568T

 

 

 

 

Footnotes:

  1. MITOMAP: A Human Mitochondrial Genome Database. http://www.mitomap.org, 2007 (Accessed Nov 2007)
  2. MELAS: Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like episodes; MERRF: Myoclonic Epilepsy and Ragged Red Muscle Fibers; PEO: Progressive External Ophthalmoplegia; LHON: Leber’s Hereditary Optic Neuropathy
  3. This category includes Maternal Myopathy and Cardiomyopathy (MMC); Fatal Infantile Cardiomyopathy Plus, a MELAS-associated cardiomyopathy (FICP); Maternally inherited Hypertrophic Cardiomyopathy (MHCM)
  4. High GC content renders the mutations undetectable by DHPLC