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Illustration of four sequence types of the cyrI gene. (A) Schematic structures of cyrI sequence types. White bar, cyrI sequences; black and gray bars, repeat sequences; slash and backslash bar, insertion sequences; C. raciborskii AWT205, reference strain. (B) Partial alignment of representative cyrI gene sequences. Repeat sequences and insertion sequences were italicized. Dashed line, gaps introduced into the alignment; bold line, ITRs; arrow, beginning of the repeat sequences.
