Genetically altered phages that display lyse bacterial lawns more fully than their wild-type parents.
The parents of these mutants form more turbid plaques, particularly the turbid-center plaques produced by temperate phages where the clearness of the mutant’s plaques is a consequence of loss of ability to display lysogenkic cycle. That is, see virulent mutant.
Note that the rapid lysis mutants of T-even phages are not often referred to as clear mutants though in fact they too form plaques that are less turbid than the plaques formed by most wild-type T-even phages.
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