STAR Protocols (Mar 2022)

A simple and effective cryopreservation protocol for the industrially important and model organism, Euglena gracilis

  • Mahfuzur R. Shah,
  • Erin N. Morrison,
  • Adam J. Noble,
  • Scott C. Farrow

Journal volume & issue
Vol. 3, no. 1
p. 101043

Abstract

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Summary: Euglena gracilis is a source of high-value natural products. A major factor affecting consistent production of Euglena biomass is strain stability. Cryopreservation is a leading strategy for cell-line storage that helps ensure process reproducibility. We developed a simple cryopreservation protocol for heterotrophically cultured Euglena that enables the recovery of cells after 1 year with a cell viability of ≅80%. This protocol is suitable for labs interested in the long-term preservation of heterotrophic cultures of Euglena and related species.

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