Fig. 1From: Comparative genomic analysis of Clostridium difficile ribotype 027 strains including the newly sequenced strain NCKUH-21 isolated from a patient in TaiwanPhylogenetic tree obtained from a concatenated nucleotide sequence alignment of the core genes for the Clostridium difficile strains. The horizontal bar at the base of the figure represents 0.002 substitutions per nucleotide site. The FastTree branch support values are indicatedBack to article page