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Expression of spoIIR at various chromosomal locations in a spoIIA+ background. □, expression of amyE::spoIIR-gusA. ○, expression of spoIIR-lacZ at spoIIR (SL7205) (A), thrC (SL7310) (B), or SPβ (SL7303) (C). SL7310 is a derivative of BR151; SL7205 and SL7303 are derivatives of ZB307. βGal, β-galactosidase; βGlu, β-glucuronidase.
