Microarray data can predict diurnal changes of starch content in the picoalga Ostreococcus

Oksana Sorokina, Florence Corellou, David Dauvillée, Anatoly Sorokin, Igor Goryanin, Steven Ball, François-Yves Bouget, Andrew J Millar

Research output: Contribution to journalArticlepeer-review


The storage of photosynthetic carbohydrate products such as starch is subject to complex regulation, effected at both transcriptional and post-translational levels. The relevant genes in plants show pronounced daily regulation. Their temporal RNA expression profiles, however, do not predict the dynamics of metabolite levels, due to the divergence of enzyme activity from the RNA profiles.Unicellular phytoplankton retains the complexity of plant carbohydrate metabolism, and recent transcriptomic profiling suggests a major input of transcriptional regulation.
Original languageEnglish
Number of pages16
JournalBMC Systems Biology
Issue number36
Publication statusPublished - 2011


  • Chlorophyta
  • Circadian Rhythm
  • Gene Deletion
  • Gene Expression Profiling
  • Gene Expression Regulation, Enzymologic
  • Gene Regulatory Networks
  • Microarray Analysis
  • Models, Biological
  • Starch


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