in 2020 Mostly diatoms but also parasites and bacteria Test new protocols for cryo-recalcitrant strains Cryptophyceae, Dinoflagellate 3 Cryoprotectants, 2 concentrations No positive results Cryopreservation service 2 orders : Cyanobacteria, Plantae (Helichrysum stoechas) Private company EBB Project: Intercalibration event: 7 laboratories, 2 strains (I.galbana and P.tricornutum) Publication Paredes E., Ward A., Probert I., Gouhier L., Campbell C.N. (2021) Cryopreservation of Algae. In: Wolkers W., Oldenhof H. (eds) Cryopreservation and Freeze-Drying Protocols. Methods in Molecular Biology, vol 2180. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-0783-1_32