Accumulation of zeaxanthin in cytoplasmic membranes of the cyanobacterium Synechococcus sp. strain PCC7942 grown under high light condition

Kazumori Masamoto, Otto Zsiros, Z. Gombos

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The exposure of cells to excess light enhanced the content of zeaxanthin in the cells of the cyanobacterium, Synechococcus sp. strain PCC7942. The isolated cytoplasmic membranes of the high-light grown cells contained 2.7 times more zeaxanthin, on a protein basis, than low-light grown cells. However, the zeaxanthin content in the thylakoid membranes was not affected significantly. The accumulation of zeaxanthin in the cytoplasmic membranes under high-light conditions indicates a mechanism that can protect the cells against high-light exposure.

Original languageEnglish
Pages (from-to)136-138
Number of pages3
JournalJournal of Plant Physiology
Volume155
Issue number1
Publication statusPublished - 1999

Fingerprint

Synechococcus
zeaxanthin
Cyanobacteria
cell membranes
Cell Membrane
Light
cells
Thylakoids
thylakoids
Zeaxanthins
Proteins
proteins

Keywords

  • Carotenoid
  • Cyanobacterium
  • High-light irradiation
  • Synechococcus PCC7942
  • Zeaxanthin

ASJC Scopus subject areas

  • Plant Science

Cite this

Accumulation of zeaxanthin in cytoplasmic membranes of the cyanobacterium Synechococcus sp. strain PCC7942 grown under high light condition. / Masamoto, Kazumori; Zsiros, Otto; Gombos, Z.

In: Journal of Plant Physiology, Vol. 155, No. 1, 1999, p. 136-138.

Research output: Contribution to journalArticle

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AB - The exposure of cells to excess light enhanced the content of zeaxanthin in the cells of the cyanobacterium, Synechococcus sp. strain PCC7942. The isolated cytoplasmic membranes of the high-light grown cells contained 2.7 times more zeaxanthin, on a protein basis, than low-light grown cells. However, the zeaxanthin content in the thylakoid membranes was not affected significantly. The accumulation of zeaxanthin in the cytoplasmic membranes under high-light conditions indicates a mechanism that can protect the cells against high-light exposure.

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