mtDNA
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An A to G point mutation
at position 3243 on the
Mitochondrial DNA
causes MELAS and MIDD.
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  mtDNA

mtDNA is an abbreviation of "Mitochondrial DNA".

Human mtDNA is a circular DNA molecule, approximately 16,500 in size.

Each Mitochondrion contains several copies of mtDNA and a typical cell can have hundreds of Mitochondria. Therefore a typical cell could have up to a thousand copies of mtDNA compared to the one copy of the Nuclear DNA.

See Also
A3243G
DNA
Mitochondria


Author: Andy Collinson. Although I don't have any medical qualifications, as a sufferer of Diabetes, Deafness and Tinnitus caused by the A3243G mtDNA defect, I do have a very keen interest in the subject.

Date Page Updated: 25 April 2005


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