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Mitochondrial TRNY gene

The mitochondrial gene MT-TY encodes a transport RNA (tRNA) for tyrosine (Y). The gene is encoded by nucleotides 5826-5891. Diseases caused by mutations include exercise intolerance, ophthalmoplegia, myopathy, cardiomyopathy, and FSGS. Somatic mutations are observed with mitochondrial complex III deficiency. The ensemble of all mitochondrial genes is tested if a mitochondrial disorder has to be diagnosed.

Genetests:

Research Method Carrier testing
Turnaround 5 days
Specimen type genomic DNA
Clinic Method Massive parallel sequencing
Turnaround 25 days
Specimen type genomic DNA

Related Diseases:

References:

1.

Pulkes T et al. (2000) A novel mutation in the mitochondrial tRNA(TYr) gene associated with exercise intolerance.

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2.

Sahashi K et al. (2001) Functional characterisation of mitochondrial tRNA(Tyr) mutation (5877-->GA) associated with familial chronic progressive external ophthalmoplegia.

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3.

Raffelsberger T et al. (2001) CPEO associated with a single nucleotide deletion in the mitochondrial tRNA(Tyr) gene.

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4.

Scaglia F et al. (2003) Novel homoplasmic mutation in the mitochondrial tRNATyr gene associated with atypical mitochondrial cytopathy presenting with focal segmental glomerulosclerosis.

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5.

NCBI article

NCBI 4579 external link
6.

OMIM.ORG article

Omim 590100 external link
Update: Aug. 14, 2020
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