Article
Characterization of Streptococcus thermophilus host range phage mutants.
Applied and environmental microbiology - 1 Apr 2006
Duplessis Martin, Lévesque Céline M, Moineau Sylvain
Abstract excerpt
To investigate phage-host interactions in Streptococcus thermophilus, a phage-resistant derivative (SMQ-301R) was obtained by challenging a Tn917 library of phage-sensitive strain S. thermophilus SMQ-301 with virulent phage DT1. Mutants of phages DT1 and MD2 capable of infecting SMQ-301 and SMQ-301R were isolated at a frequency of 10(-6). Four host range phage mutants were analyzed further and compared to the two...
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