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. 2021 Apr 22;12:628611. doi: 10.3389/fpls.2021.628611

FIGURE 2.

FIGURE 2

Schematic representation of Fusarium oxysporum genome features. (A) Horizontal transfer, deletion, and duplication of the lineage-specific (LS) chromosome 14 (LS Chr14) alter pathogenicity and genome size. (B) The LS Chr14 structure showing the presence of class II transposable elements (TE class II) and Secreted in Xylem (SIX) genes. TE class II elements present in the promoter region of SIX are miniature impala (mimp) and mfot5 elements. SIX genes might be trapped between the internal resolution (IR) sites of TEs and subsequently transposed together. The mobilization of SIX genes due to the activity of TEs and HGT could result in variation in SIX profile in FOSC members. Fo, Fusarium oxysporum; FOSC, F. oxysporum species complex; HGT, Horizontal gene transfer.