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. 1987 Dec 23;15(24):10393–10404. doi: 10.1093/nar/15.24.10393

The mitochondrial S13 ribosomal protein gene is silent in wheat embryos and seedlings.

L Bonen 1
PMCID: PMC339951  PMID: 2827122

Abstract

The sequence of a wheat mitochondrial reading frame encoding a protein homologous to the E. coli S13 small subunit ribosomal protein has been determined. The gene is located immediately downstream of a 1.4 kb recombinationally-active repeat element that contains the ATPase subunit 6 gene. The coding regions of the two genes are separated by only 153 bp, the shortest distance yet observed between protein-coding genes in plant mitochondria. However, their transcript profiles differ markedly. The ATPase 6 gene displays a single, prominent mRNA of approximately 1.4 kb, whereas the S13 gene shows no stable transcript as judged by Northern blot analysis of wheat mitochondrial RNA isolated from different developmental stages. A short segment of the 26S rRNA gene is located downstream of the S13 gene and its presence illustrates the frequent DNA duplication/rearrangements found in wheat mitochondria.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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