The pea mitochondrial atp6: RNA editing and similarity of presequences in the Vicieae tribe

Marta Gibala, Bartosz Szczesny, Jan Kieleczawa, Hanna Janska

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The atp6 gene has been identified as a single-copy sequence in the mitochondrial genome of the pea. An unexpected finding concerns the atp6 5′ extension which is known to be poorly conserved at the sequence level, even between closely related plant species. We have shown that the presequences of ATP6 from the pea and other species belonging to the Vicieae tribe of Fabaceae (broad bean, hairy vetch) share a sequence similarity which extends to long 5′ untranslated transcript termini. The reason for the observed conservation is not clear but may simply reflect the close phylogenetic relationship of species from the Vicieae tribe. The result of editing analysis indicates the occurrence of fully and partially edited transcripts of atp6 in the pea mitochondria. The majority of the editing sites are targeted to the last transmembrane domain of the pea ATP6, important in proton translocation and interactions with other subunits of ATP synthase.

Original languageEnglish (US)
Pages (from-to)235-239
Number of pages5
JournalCurrent Genetics
Volume46
Issue number4
DOIs
StatePublished - Oct 2004

Fingerprint

RNA Editing
Peas
Vicia
Mitochondrial Genome
Conserved Sequence
Fabaceae
Protons
Mitochondria
Adenosine Triphosphate
mitochondrial RNA
Genes

Keywords

  • atp6 gene
  • Pea
  • Plant mitochondria
  • Presequence
  • RNA editing

ASJC Scopus subject areas

  • Genetics

Cite this

The pea mitochondrial atp6 : RNA editing and similarity of presequences in the Vicieae tribe. / Gibala, Marta; Szczesny, Bartosz; Kieleczawa, Jan; Janska, Hanna.

In: Current Genetics, Vol. 46, No. 4, 10.2004, p. 235-239.

Research output: Contribution to journalArticle

Gibala, Marta ; Szczesny, Bartosz ; Kieleczawa, Jan ; Janska, Hanna. / The pea mitochondrial atp6 : RNA editing and similarity of presequences in the Vicieae tribe. In: Current Genetics. 2004 ; Vol. 46, No. 4. pp. 235-239.
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