Frozen Zoo: a collection of permafrost samples containing viable protists and their viruses

International audience Permafrost, frozen ground cemented with ice, occupies about a quarter of the Earth’s hard surface and reaches up to 1000 metres depth. Due to constant subzero temperatures, permafrost represents a unique record of past epochs, whenever it comes to accumulated methane, oxygen i...

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Bibliographic Details
Published in:Biodiversity Data Journal
Main Authors: Malavin, Stas, Shmakova, Lyubov, Claverie, Jean-Michel, Rivkina, Elizaveta
Other Authors: Institute of Physicochemical and Biological Problems in Soil Science, RAS, Information génomique et structurale (IGS), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2020
Subjects:
Permafrost
microbiology collection
protists
giant viruses
[SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology
Ice
permafrost
Online Access:https://amu.hal.science/hal-02899363
https://amu.hal.science/hal-02899363/document
https://amu.hal.science/hal-02899363/file/BDJ_article_51586.pdf
https://doi.org/10.3897/BDJ.8.e51586
Description
Summary:International audience Permafrost, frozen ground cemented with ice, occupies about a quarter of the Earth’s hard surface and reaches up to 1000 metres depth. Due to constant subzero temperatures, permafrost represents a unique record of past epochs, whenever it comes to accumulated methane, oxygen isotope ratio or stored mummies of animals. Permafrost is also a unique environment where cryptobiotic stages of different microorganisms are trapped and stored alive for up to hundreds of thousands of years. Several protist strains and two giant protist viruses isolated from permafrost cores have been already described

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