Transcription control of the 32 kDa-QB protein of photosystem II in differentiated bundle sheath and mesophyll chloroplasts of maize

Gadi Schuster, Iris Pecker, Joseph Hirschberg, Klaus Kloppstech, Itzhak Ohad*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Bundle sheath chloroplasts of maize, a C4 plant, lack a functional herbicide-binding site and the 32 kDa-QB thylakoid protein of photosystem II. Measurements of the amounts of QB-protein mRNA in bundle sheath and mesophyll chloroplasts by hybridization to a cloned psbA probe, and analysis of in vitro translation products of bundle sheath and mesophyll RNA show that during differentiation of maize leaf cells to bundle sheath and mesophyll, the expression of the chloroplast gene, psbA, which encodes the 32 kDa-QB protein, is controlled at the transcriptional level.

Original languageEnglish
Pages (from-to)56-60
Number of pages5
JournalFEBS Letters
Volume198
Issue number1
DOIs
StatePublished - 17 Mar 1986

Keywords

  • (Mesophyll, Bundle sheath)
  • Chloroplast
  • Cplant
  • Gene expression
  • Q-protein
  • psbA gene

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