Files in this Data Supplement:

• Supplemental file 1 - Table S1, comparative analysis of the gene content of Bifidobacterium strains
  Zipped Word file, 66K.
• Supplemental file 2 - Fig. SA, B. animalis subsp. lactis genome; Fig. SB, putative origin of replication; Fig. SC, comparative analysis of genome content across Bifidobacterium species; Fig. SD, alignment of Bifidobacterium genomes; Fig. SE, putative GlcU topologies; Fig. SF, Bala1 CRISPR locus in B. animalis subsp. lactis; Table S2, SNP sites in the Bi-04 and DSM 10140 genomes; Table S3, INDEL sites among B. animalis subsp. lactis genomes; Table S4, putative carbohydrate-hydrolyzing enzymes identified in Bifidobacterium sequences; Table S5, putative stress response genes identified in Bifidobacterium sequences
  Zipped Word file, 2.3MB.
• Supplemental file 3 - Legends to Fig. SA through SF
  Zipped Word file, 10K.