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. 2011 Nov;193(22):6276–6287. doi: 10.1128/JB.05899-11

Fig. 1.

Fig. 1.

Preliminary characterization of the roles of NupNOPQ and NupG in nucleoside uptake. (A) Roles of NupNOPQ and NupG in guanosine uptake. Cells of strains BB2511 (wild-type), BB3322 (nupN), BB3501 (nupG), and BB3486 (nupG nupN) were assayed for guanosine incorporation as described in Materials and Methods. (B) Effect of nucleosides on guanosine uptake by NupNOPQ. Cells of strain BB3501 (nupG) were assayed for guanosine incorporation in the absence (Guo only) or presence of other nucleosides (at 50 μM) as described in Materials and Methods. Guo, guanosine; Ado, adenosine; Ino, inosine; Cyd, cytidine. (C) Effect of nucleosides on guanosine uptake by NupG. Cells of strains BB3322 (nupN) were assayed for guanosine incorporation in the absence (Guo only) or presence of other nucleosides (at 50 μM) as described in Materials and Methods. Xao, xanthosine.