Alteration in the Expression of Genes Encoding Primary Metabolism Enzymes and Plastid Transporters during the Culture Growth of Chlamydomonas reinhardtii

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Abstract

In a mixotrophic Chlamydomonas reinhardtii culture, the expression levels of genes encoding primary metabolic enzymes and chloroplast plastid transporters were analyzed. For the majority of the genes studied, their expression levels decreased as they approached the final stages of culture growth. During the period of exponential growth, the expression profiles changed more intensively than during the stationary phase. In the middle of exponential growth, significant changes of mRNA profiles reflected reorganization of metabolism, with an emphasis on the induction of lipid synthesis, accompanied by alterations in carbon fluxes through biochemical pathways and a shift in the energy balance between the plastid and cytosol.

Original languageEnglish
Pages (from-to)503-519
Number of pages17
JournalMolecular Biology
Volume54
Issue number4
DOIs
StatePublished - 1 Jul 2020

Scopus subject areas

  • Biophysics
  • Structural Biology

Keywords

  • assimilation of acetate
  • batch culture
  • Chlamydomonas reinhardtii
  • exponential growth
  • gene expression
  • multivariate empirical Bayes analysis
  • plastid transporters
  • primary metabolism
  • principal component analysis
  • stationary phase

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