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Table 2 General features of Bifidobacterium species with at least one completely sequenced representative.

From: Diversity, ecology and intestinal function of bifidobacteria

Organism Length (Mbp) ORF content G+C% tRNA
content
rRNA
content
Presence of plasmid Presence of CRISPR R/M systems Presence of prophage Presence of EPS Sortase-dependent pili
Bifidobacterium adolescentis ATCC 15703 2.08 1631 59.1 54 5 No Yes 2 Yes Yes 1
Bifidobacterium animalis subsp. animalis ATCC 25527 1.94 1538 60.4 52 3 No Yes 1 No No 0
Bifidobacterium animalis subsp. lactis DSM 10140 1.93 1565 60.5 52 4 No Yes 2 Yes Yes 1
Bifidobacterium asteroids PRL2011 2.16 1658 60.1 44 2 Yes Yes 3 No (Remnant) 0
Bifidobacterium bifidum PRL2010 2.21 1706 62.7 52 3 No No 7 Yes No 3
Bifidobacterium breve UCC2003 2.42 1985 58.7 54 2 No Yes 3 Yes Yes 3
Bifidobacterium dentium Bd1 2.63 2127 58.5 55 4 No Yes 2 Yes No 7
Bifidobacterium longum subsp. infantis ATCC 15697 2.83 2416 59.8 79 4 No No 8 Yes No 0
Bifidobacterium longum subsp. longum NCC2705 2.26 1799 60.3 57 4 Yes No 6 Yes Yes 2
Bifidobacterium thermophilum RBL67 2.29 1845 60.1 47 4 No No 0 Yes No 2