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Abstract
SUMMARY: Bacteriophages which are tryptophan-dependent for adsorption are also sometimes heat-labile in the presence of added tryptophan. The inactivation is due to the discharge of the phage deoxyribonucleic acid (DNA). This phenomenon is most marked at two different monovalent ion concentrations and is thought to be due to production of lesions at two different sites on the phage tail.
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© Society for General Microbiology 1962