Transcript levels of the nuclear-encoded respiratory genes in rice decrease by oxygen deprivation: Evidence for involvement of calcium in expression of the alternative oxidase 1a gene

Hiroyuki Tsuji, Mikio Nakazono, Daisuke Saisho, Nobuhiro Tsutsumi, Atsushi Hirai

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

We investigated the effect of oxygen on the expressions of respiratory genes encoded in the nuclear and mitochondrial genomes of rice (Oryza sativa L.). Hypoxic treatment decreased the transcript levels of nuclear-encoded, but not mitochondrial-encoded respiratory genes. The effects of ruthenium red (an inhibitor of Ca2+ fluxes from organelles) and/or CaCl2 on plants under hypoxic conditions suggested that Ca2+ is a physiological transducer of a low-oxygen signaling pathway for expression of the alternative oxidase 1a gene (AOX1a), but not for expressions of genes involved in the cytochrome respiratory pathway, in rice. Copyright (C) 2000 Federation of European Biochemical Societies.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalFEBS Letters
Volume471
Issue number2-3
DOIs
Publication statusPublished - Apr 14 2000
Externally publishedYes

Fingerprint

Genes
Oxygen
Calcium
Gene Expression
Ruthenium Red
Mitochondrial Genome
Cytochromes
Transducers
Organelles
alternative oxidase
Oryza
Fluxes

Keywords

  • Calcium
  • Mitochondrion
  • Oryza
  • Oxygen deprivation
  • Respiratory gene

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Transcript levels of the nuclear-encoded respiratory genes in rice decrease by oxygen deprivation : Evidence for involvement of calcium in expression of the alternative oxidase 1a gene. / Tsuji, Hiroyuki; Nakazono, Mikio; Saisho, Daisuke; Tsutsumi, Nobuhiro; Hirai, Atsushi.

In: FEBS Letters, Vol. 471, No. 2-3, 14.04.2000, p. 201-204.

Research output: Contribution to journalArticle

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