Article
Rapid selection of phage-resistant mutants in Streptococcus thermophilus by immunoselection and cell sorting.
International journal of food microbiology - 31 Dec 2003
Viscardi Maurizio, Capparelli Rosanna, Iannelli Domenico
Abstract excerpt
Immunoselection and flow cytometry allowed the isolation from Streptococcus thermophilus strain Str31 of double mutants displaying resistance to the phage phi31 and good acid production. Strain Str31 is very sensitive to phage phi31. This phage-host system seemed therefore particularly suitable to test the validity of the selection method adopted in this study. Mutants were stable with respect to both characters....
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