Characterization of an Arabidopsis thaliana mutant with impaired psbO, one of two genes encoding extrinsic 33-kDa proteins in photosystem II

FEBS Lett. 2002 Jul 17;523(1-3):138-42. doi: 10.1016/s0014-5793(02)02963-0.

Abstract

A 33-kDa protein component of the oxygen-evolving complex in photosystem II is essential for photosynthesis, and it has been believed that mutants with deletion of this 33-kDa protein are not found in higher plants. We report here the first isolation of an Arabidopsis thaliana mutant with a defect in one of the genes for the 33-kDa proteins, psbO, and an intact gene (psbO2). This mutant showed considerable growth retardation, suggesting that there is a functional difference between psbO and psbO2.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Amino Acid Sequence
  • Arabidopsis / chemistry
  • Arabidopsis / genetics*
  • Arabidopsis / metabolism
  • Chlorophyll / chemistry
  • Chlorophyll / metabolism*
  • Evolution, Molecular
  • Fluorescence
  • Light-Harvesting Protein Complexes
  • Molecular Sequence Data
  • Molecular Weight
  • Mutation
  • Oxygen / metabolism*
  • Photosynthetic Reaction Center Complex Proteins / chemistry
  • Photosynthetic Reaction Center Complex Proteins / genetics*
  • Photosynthetic Reaction Center Complex Proteins / metabolism*
  • Photosystem II Protein Complex*
  • Sequence Homology, Amino Acid

Substances

  • Light-Harvesting Protein Complexes
  • Photosynthetic Reaction Center Complex Proteins
  • Photosystem II Protein Complex
  • oxygen-evolving complex, 33 kDa protein
  • Chlorophyll
  • Oxygen