High-fluence blue light stimulates transcription from a higher plant chloroplast psbA promoter expressed in a cyanobacterium, Synechococcus (sp. strain PCC7942)

Nicholas Tsinoremas, Alana Kawakami, David A. Christopher

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

High-fluence white and blue light, but not red light, enhanced transcription of the barley chloroplast psbA promoter when heterologously expressed as a lacZ transcriptional fusion in the cyanobacterium, Synechococcus sp. strain PCC7942. Analysis of Arabidopsis thaliana phytochrome mutants, phyAphyB and hy2, indicated that a distinct blue phototransduction pathway stimulates psbA expression. The evolutionary implications of these findings are discussed.

Original languageEnglish
Pages (from-to)448-452
Number of pages5
JournalPlant and Cell Physiology
Volume40
Issue number4
StatePublished - Apr 1 1999
Externally publishedYes

Fingerprint

Synechococcus
phototransduction
white light
Cyanobacteria
Chloroplasts
phytochrome
blue light
red light
Arabidopsis thaliana
chloroplasts
transcription (genetics)
barley
promoter regions
Phytochrome
Light Signal Transduction
Light
mutants
Hordeum
Arabidopsis

Keywords

  • Arabidopsis thaliana
  • Blue light
  • Chloroplast
  • Promoter
  • Synechococcus
  • Transcription

ASJC Scopus subject areas

  • Plant Science
  • Physiology
  • Cell Biology

Cite this

High-fluence blue light stimulates transcription from a higher plant chloroplast psbA promoter expressed in a cyanobacterium, Synechococcus (sp. strain PCC7942). / Tsinoremas, Nicholas; Kawakami, Alana; Christopher, David A.

In: Plant and Cell Physiology, Vol. 40, No. 4, 01.04.1999, p. 448-452.

Research output: Contribution to journalArticle

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