Hostname: page-component-78c5997874-fbnjt Total loading time: 0 Render date: 2024-11-20T00:36:47.607Z Has data issue: false hasContentIssue false

Prevention of low temperature denaturation injury in T4Bo phage by low concentrations of traditional cryoprotective additives

Published online by Cambridge University Press:  15 May 2009

P. R. M. Steele
Affiliation:
University Department of Pathology, Cambridge, England
Rights & Permissions [Opens in a new window]

Summary

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The well known cryoprotective additives glucose, sucrose, glycerol, dimethyl sulphoxide, polyvinylpyrrolidone, dextran and ammonium acetate have been found to prevent inactivation of T4Bo phage frozen in sodium bromide solutions. Their protective effects in this experimental system could not be accounted for by a colligative mechanism. It is proposed that they may act by modifying the structure of the unfrozen aqueous phase rather than by direct interaction with the phage.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1976

References

REFERENCES

Leiso, S. P. & Mazur, P. (1969). Freezing of bacteriophage T4. Temperature and rate effects as a function of salt concentration. Virology 38, 558–66.Google Scholar
Lovelock, J. E. (1953). The mechanism of the protective action of glycerol against haemolysis by freezing and thawing. Biochimica et biophysica acts 11, 2836.CrossRefGoogle ScholarPubMed
Meryman, H. T. (1968). Modified model for the mechanism of freezing injury in erythrocytes. Nature, London 218, 333–6.CrossRefGoogle ScholarPubMed
Steele, P. R. M., Davies, J. D. & Greaves, R. I. N. (1969 a). Some factors affecting the viability of freeze-thawed T4 bacteriophage. Journal of Hygiene 67, 107–14.CrossRefGoogle ScholarPubMed
Steele, P. R. M., Davies, J. D. & Greaves, R. I. N. (1969 b). Some factors affecting the viability of freeze-thawed T4 bacteriophage. II. The influence of certain electrolytes on the degree of inactivation. Journal of Hygiene 67, 679–90.CrossRefGoogle ScholarPubMed
Steele, P. R. M. (1972 a). Osmotic injury in rapidly-thawed T4 bacteriophage. Journal of Hygiene 70, 459–64.CrossRefGoogle ScholarPubMed
Steele, P. R. M. (1972 b). Protection of T4 bacteriophage against inactivation during freezing and thawing by addition of peptides. Journal of Hygiene 70, 465–72.CrossRefGoogle ScholarPubMed
Von Hippel, P. H. & Schleich, T. (1969). Ion effects on the solution structure of biological macromolecules. Accounts of Chemical Research 2, 257–65.CrossRefGoogle Scholar
Von Hippel, P. H. & Wong, K. W. (1964). Neutral salts: the generality of their effects on the stability of macromolecular configurations. Science, New York 145, 577–80.CrossRefGoogle Scholar