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Comparison of genetic maps of KX-V237 and AQ4673. The arrows on the large chromosomes indicate a putative genetic inversion between the two strains. Although I-CeuI digestion of the genomic DNA of KX-V237 and AQ4673 suggested the presence of 10 and 9 rrn operons, respectively, fewer rrn operons are indicated because a single NotI fragment can have more than one rrn operon.
