Multiple Facets of Anoxic Metabolism and Hydrogen Production in the Unicellular Green Alga Chlamydomonas Reinhardtii

Arthur R. Grossman, Claudia Catalanotti, Wenqiang Yang, Alexandra Dubini, Leonardo Magneschi, Venkataramanan Subramanian, Matthew C. Posewitz, Michael Seibert

Research output: Contribution to journalArticlepeer-review

87 Scopus Citations

Abstract

Many microbes in the soil environment experience micro-oxic or anoxic conditions for much of the late afternoon and night, which inhibit or prevent respiratory metabolism. To sustain the production of energy and maintain vital cellular processes during the night, organisms have developed numerous pathways for fermentative metabolism. This review discusses fermentation pathways identified for the soil-dwelling model alga Chlamydomonas reinhardtii, its ability to produce molecular hydrogen under anoxic conditions through the activity of hydrogenases, and the molecular flexibility associated with fermentative metabolism that has only recently been revealed through the analysis of specific mutant strains.

Original languageAmerican English
Pages (from-to)279-288
Number of pages10
JournalNew Phytologist
Volume190
Issue number2
DOIs
StatePublished - 2011

NREL Publication Number

  • NREL/JA-2700-51594

Keywords

  • Anoxia
  • Chlamydomonas
  • Fermentative metabolism
  • Hydrogen
  • Hydrogenases

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