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. 2016 Jan 19;7(1):e01817-15. doi: 10.1128/mBio.01817-15

FIG 4 .

FIG 4 

pSUΔtrpA vector map. pSU6 was modified for deletion of trpA by insertion of a cassette containing selection markers bla and gfp surrounded by chlamydial DNA corresponding to ca. 3 kb of genomic sequence flanking trpA. The constitutively expressed mCherry gene is included as a fluorescent marker of maintenance of the vector backbone.