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Genomic regions harboring the Tn916ΔE insertions in the phage-resistant mutants HLT2 (A) and HLT8 (B). The arrows indicate the direction of transcription, based on sequence analysis and on previously published descriptions of the loci (2, 13). Abbreviations: E, EcoRI; H, HindIII; ▿, Tn916ΔE. HLT2F, HLT2R, OTR, and HLT8R represent primers, as described in the text.
