Article
Chronic progressive external ophthalmoplegia: a new heteroplasmic tRNA(Leu(CUN)) mutation of mitochondrial DNA.
Journal of the neurological sciences - 15 Sept 2008
Cardaioli E, Da Pozzo P, Malfatti E, Gallus G N, Rubegni A, Malandrini A, Gaudiano C, Guidi L, Serni G, Berti G, Dotti M T, Federico A
Abstract excerpt
We sequenced all genes of mitochondrial tRNAs of a patient with chronic progressive external ophthalmoplegia with 5% ragged red fibres and 15% COX-negative fibres but without macrorearrangements of mitochondrial DNA (mtDNA). Direct sequencing showed a novel heteroplasmic G>A substitution in position 12316 of tRNA(Leu(CUN)) gene. This change destroys a highly conserved G-C base coupling in tRNA TpsiC branch. By...
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