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Welcome to the CCCryo website and our online catalogue. The Culture Collection of Cryophilic Algae is hosted at the Fraunhofer Institute for Cell Therapy and Immunology at its Branch for Bioanalytics and Bioprocesses (IZI-BB) in Potsdam-Golm near Berlin. The CCCryo is specialised on cryophilic freshwater and permafrost microalgae from polar and alpine environments, the so-called snow algae. First strains were collected on an expedition to Spitsbergen in 1999 and since then research on the phylogeny, ecology, and adaptations of this group of extremophiles is being performed at our institute.

The CCCryo serves as a bioresource of extremophiles for public and industrial research. Strains may be ordered via these websites. For detailed information on current studies performed at the IZI-BB please refer to the website of the institution's group Extremophile Research.

ECCO, WFCC and other database resources
The CCCryo is a member of the European Culture Collections’ Organisation (ECCO) and is registered at the World Federation of Culture Collections (WFCC) as WDCM940. Strains or species may also be searched via the Global Catalogue of Microorganisms. We are also dataset providers for the Global Biodiversity Information Facility (GBIF).

Last database update: 25-April-2022

NEW coexisting bacterial and fungal isolates available
We have added a number of bacteria and yeasts/fungi that we have isolated from non-axenic snow algal strains to our CCCryo. These isolates should represent organisms that coexisted with the snow algae in their natural habitat and thus, can serve for studies on interactions and nutrient supply strategies in snow algae communities. Their strain number starts with that of the alga they were associated with (e.g. 060-99) followed by a "_F" (fungus/yeast) or "_B" (bacteria) and the year in which it was isolated from the algal strain (e.g. "-21") making up a strain number as e.g. "060-99_F1-21". In the "browse strains" list they are listed after the respective algal strain.

4th SAM 2022 update: 21-June-2022

Dear snow algae friends,
We are hoping to meet you all in person for the 4th SAM - Snow Algae Meeting from 3rd to 4th November 2022 in Prague (Czech Republic). The venue will stay the same as originally planned for 2020 – the historical building of the Czech Academy of Sciences in the centre of Prague. Under this link you will find all relevant information. Please save the date and check for updates like registration etc. on that website.

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Foto: Round Point

Dr. Thomas Leya
CCCryo - Culture Collection of Cryophilic Algae
Fraunhofer IZI-BB
Am Muehlenberg 13
14476 Potsdam-Golm
Fax: +49 (0)331-58187-199 or
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