Mosaic structure of the cox2 gene in the petite negative yeast Schizosaccharomyces pombe: a group II intron is inserted at the same location as the otherwise unrelated group II introns in the mitochondria of higher plants.

Abstract excerpt

In contrast to homologous genes in other fungal mitochondrial genomes, the gene encoding subunit 2 of cytochrome oxidase (cox2) in several Schizosaccharomyces pombe strains contains a large group II intron. Its 2436 nucleotides can be folded into a typical group II intron secondary structure, possessing all the expected sequence motifs for subgroup IIA1 (Michel et al., 1989). This intron is remarkable for the...

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