AS-1 cyanophage infection inhibits the photosynthetic electron flow of photosystem II in Synechococcus sp. PCC 6301, a cyanobacterium

Thomas A. Teklemariam, Sándor Demeter, Zsuzsa Deák, Gyula Surányi, György Borbély

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In Synechococcus sp. cells AS-1 cyanophage infection gradually inhibits the photosystem II mediated photosynthetic electron flow whereas the activity of photosystem I is apparently unaffected by the cyanophage infection. Transient fluorescence induction and flash-induced delayed luminescence decay studies revealed that the inhibition may occur at the level of the secondary acceptor, QB of photosystem II. In addition, the breakdown of D1-protein is inhibited, comparable to DCMU-induced protection of D1-protein turnover, in AS-1-infected cells.

Original languageEnglish
Pages (from-to)211-215
Number of pages5
JournalFEBS letters
Volume270
Issue number1-2
DOIs
Publication statusPublished - Sep 17 1990

Keywords

  • AS-1 Cyanophage
  • Cyanobacterium
  • Photosystem II
  • Synechococcus sp. PCC 6301

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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