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TABLE 2.

Induction of prophages in strain MGAS315

Prophage Gene Inductiona
PR-THY
MEM
Spontaneous Mitomycin C Hydrogen peroxide Spontaneous D562 cells
Φ315.2 ssa ±
Φ315.3 mf4 ++ ++
Φ315.4 speK, sla ++ +++ +++ +++
Φ315.5 speA3 ++
Φ315.6 sdn ++ +++ +++ ± +++
a

Relative degree of prophage induction is indicated as follows: ±, variable and weak; ++, intermediate; +++, strong.