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. 2017 Oct 26;13(10):e1007077. doi: 10.1371/journal.pgen.1007077

Fig 2. BtrFicTA and related FicTA modules are encoded with deteriorated conjugative T4SS machineries.

Fig 2

Loci encoding bacterial conjugation systems consist of genes for the T4SS machinery (green), the Dtr machinery (yellow), and a type IV coupling protein (T4CP) that links these functions by recruiting the Dtr machinery to the T4SS (blue). Like VbhTA on pVbh, BtrFicTA of B. tribocorum and its orthologs are encoded directly downstream of the T4SS machineries (annotated as Vbl T4SS for “VirB-like”).