Microbe Profile: Euglena gracilis: photogenic, flexible and hardy

Martin Zoltner, Mark C. Field (Lead / Corresponding author)

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)
43 Downloads (Pure)


Euglena gracilis is a unicellular photosynthetic eukaryotic flagellate of the Discoba supergroup, which also encompasses Kinetoplastida and Diplonema. Plastids have green algal origin and are secondarily acquired. The nuclear genome is extremely large and many genes suggest multiple endosymbiotic/gene transfer events, i.e. derivation from prokaryotes of various lineages. E. gracilis is remarkably robust and can proliferate in environments contaminated with heavy metals and acids. Extraordinary metabolic plasticity and a mixotrophic lifestyle confers an ability to thrive in a broad range of environments, as well as facilitating production of many novel metabolites, making Euglena of considerable biotechnological importance.

Original languageEnglish
Article number001241
Number of pages3
Issue number9
Publication statusPublished - 30 Sept 2022


  • Chlorophyta
  • Euglena gracilis/genetics
  • Photosynthesis
  • Plastids/genetics
  • Symbiosis
  • Euglena
  • genome
  • secondary endosymbiosis
  • protists
  • evolution

ASJC Scopus subject areas

  • Microbiology


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