Fig. 1From: Characterization and in vitro properties of potential probiotic Bifidobacterium strains isolated from breast-fed infant fecesPhylogenetic trees were constructed using the neighbour-joining distance and 1000 bootstrap samples of MEGA4 software based on partial 16S rRNA gene sequences (a) and partial transaldolase gene sequences (b). Escherichia coli K-12 MG1655 was used as an outgroupBack to article page