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. 1993 Feb;23(2):148-53.
doi: 10.1007/BF00352014.

Characterization of the Brassica Campestris Mitochondrial Gene for Subunit Six of NADH Dehydrogenase: nad6 Is Present in the Mitochondrion of a Wide Range of Flowering Plants

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Characterization of the Brassica Campestris Mitochondrial Gene for Subunit Six of NADH Dehydrogenase: nad6 Is Present in the Mitochondrion of a Wide Range of Flowering Plants

J M Nugent et al. Curr Genet. .

Abstract

We have isolated the Brassica campestris mitochondrial gene nad6, coding for subunit six of NADH dehydrogenase. The deduced amino-acid sequence of this gene shows considerable similarity to mitochondrially encoded NAD6 proteins of other organisms as well as to NAD6 proteins coded for by plant chloroplast DNAs. The B. campestris nad6 gene appears to lack introns and produces an abundant transcript which is comparable in size to a previously described, unidentified transcript (#18) mapped to the B. campestris mitochondrial genome. An alignment of NAD6 proteins (deduced from DNA sequences) suggests that B. campestris nad6 transcripts are edited. Southern-blot hybridization indicates that nad6 is present in the mitochondrial genome of all of a wide range of flowering plant species examined.

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