DNA sequence analysis of a 5.27-kb direct repeat occurring adjacent to the regions of S-episome homology in maize mitochondria.

J. P. Houchins, H. Ginsburg, M. Rohrbaugh, R. M. Dale, C. L. Schardl, T. P. Hodge, D. M. Lonsdale

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

The DNA sequence of the 5270-bp repeated DNA element from the mitochondrial genome of the fertile cytoplasm of maize has been determined. The repeat is a major site of recombination within the mitochondrial genome and sequences related to the R1(S1) and R2(S2) linear episomes reside immediately adjacent to the repeat. The terminal inverted repeats of the R1 and R2 homologous sequences form one of the two boundaries of the repeat. Frame-shift mutations have introduced 11 translation termination codons into the transcribed S2/R2 URFI gene. The repeated sequence, though recombinantly active, appears to serve no biological function.

Original languageEnglish
Pages (from-to)2781-2788
Number of pages8
JournalEMBO Journal
Volume5
Issue number11
DOIs
StatePublished - Nov 1986

ASJC Scopus subject areas

  • General Neuroscience
  • Molecular Biology
  • General Biochemistry, Genetics and Molecular Biology
  • General Immunology and Microbiology

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