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. 2021 Jul 7;6(4):e00383-21. doi: 10.1128/mSphere.00383-21

FIG 3.

FIG 3

Occurrence of mobile genetic elements and heavy metal resistance genes among persistent and nonpersistent clades. Occurrence of plasmids (a), chromosomally located mobile elements (b), prophages (c), and cadmium and arsenic resistance genes (d) among isolates in persistent and nonpersistent clades. Significant differences between persistent clade isolates and singleton isolates are denoted by asterisks as follows: *, P < 0.05; **, P < 0.005; ***, P < 0.001. IS3, Listeria IS3-like transposon; LGI-2: Listeria genomic island 2. Prophages are categorized by insertion site.