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Maps of plasmids pIMP1-xylTthl (A), pIMP1-xylAthl (B), pIMP1-xylBthl (C), and pIMP1-xylTthl-xylBAthl (D). bla, β-lactamase resistance gene; mlsR, macrolide-lincosamide-streptogramin resistance gene; ColE1 ori, replicon functional in E. coli; rep, replicon functional in C. acetobutylicum; thl, thl promoter; xylT, d-xylose transporter; xylA, d-xylose isomerase; xylB, d-xylulokinase; xylBA, xylBA operon (cac2610 to cac2612).
