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Yeast exoglycoproteins produced under NaCl-stress conditions as efficient cryoprotective agents

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Abstract

Six extracellular yeast glycoproteins were prepared from three yeast species in osmotic equilibrium and unequilibrium environments and used as non-penetrating cryoadditives. Glycoproteins secreted by the strain Dipodascus australiensis into growth medium containing NaCl (8% w/v) were found to be the most effective cryoadditives. It was possible to use these glycoproteins alone (without DMSO as penetrating agent) for the cryoprotection of the studied yeasts.

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Authors and Affiliations

  1. Culture Collection of Yeasts, Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, 842 38, Bratislava, Slovakia

    E. Breierova

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  1. E. Breierova
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Correspondence to E. Breierova.

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Breierova, E. Yeast exoglycoproteins produced under NaCl-stress conditions as efficient cryoprotective agents. Biol Proced Online 1, 10–16 (1998). https://doi.org/10.1251/bpo1

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  • DOI: https://doi.org/10.1251/bpo1

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