Figure 1.

Genetic organization of urease gene cassette and the two adjacent arc gene cassettes. A, The open vertical triangles represent the locations of the gene cassettes, and the numbering is according to the sequence of the HLHK9 strain. B, Schematic illustration showing the differences in the sequences of the urease gene cassettes between L. hongkongensis HLHK9 and the naturally urease-negative strain HLHK30. Vertical triangles represent the locations of polymorphic residues, and the numbering is according to the sequence of the HLHK9 strain.

Xiong et al. BMC Microbiology 2014 14:42   doi:10.1186/1471-2180-14-42
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