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Plastids pp 253-271 | Cite as

Determination of the DNA/RNA-Associated Subproteome from Chloroplasts and Other Plastid Types

  • Maha Chieb
  • Monique Liebers
  • Fabien Chevalier
  • Silva Lerbs-Mache
  • Robert Blanvillain
  • Thomas PfannschmidtEmail author
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1829)

Abstract

Plastids of plant and algae cells are of endosymbiotic origin. They possess their own genome and a sophisticated protein machinery to express it. Studies over the recent years uncovered that the regulation of plastid gene expression is highly complex involving a multiplicity of regulatory protein factors that are mostly imported from the cytosol. Proper expression of the chloroplast genome in coordination with nuclear genome was found to be absolutely essential for efficient growth and development of plants especially during early steps of photomorphogenesis, but also at later stages of the plant life cycle. Protein factors being responsible for such essential steps, therefore, are highly interesting for fundamental science as well as for industrial applications targeting crop improvement and yield increase. Nevertheless, many proteins involved in regulation of plastid gene expression are still unidentified and/or uncharacterized. This asks for appropriate methods to analyze this special subproteome. Here, we describe suitable methods that proved to be successful in the analysis of the plastid subproteome of DNA/RNA-binding proteins.

Key words

Plastid gene expression DNA-/RNA-binding proteins 2D-BN-PAGE 2D-SDS-PAGE with isoelectric focussing 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Maha Chieb
    • 1
  • Monique Liebers
    • 1
  • Fabien Chevalier
    • 1
  • Silva Lerbs-Mache
    • 1
  • Robert Blanvillain
    • 1
  • Thomas Pfannschmidt
    • 1
    Email author
  1. 1.Laboratoire de Physiologie Cellulaire et VégétaleCentre National de la Recherche Scientifique, Institut National Recherche Agronomique, Commissariat à l’Energie Atomique et aux Energies Alternatives, CEA Grenoble, UMR5168, Université Grenoble AlpesGrenobleFrance

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