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CsgG is involved in CUP pilus formation. TEM images show CUP pili. The pilus structures were absent in the p-ΔcsgG strain and restored in the complemented strain (p-ΔcsgG/c). The cells grew for 48 h in YESCA media supplemented with 4% DMSO with shaking at 26°C. Scale bar, 100 nm.
