Extended role for insertion sequence elements in the antibiotic resistance of Bacteroides

Table 1 A list of the related species comprising the ‘Bacteroides fragilis group’ at present

Bacteroides			Parabacteroides
B. acidifaciens	B. fluxus	B. propionifaciens	P. distasonis1,2
B. barnesiae	B. fragilisa,b	B. pyogenes	P. goldsteinii1
B. caccae1,2	B. galacturonicus	B. rodentium	P. gordonii
B. cellulosilyticus	B. gallinarium	B. salanitronis	P. johnsonii
B. chinchillae	B. graminisolvens	B. salyersiae1	P. merdae1,2
B. clarus	B. helcogenes	B. sartorii
B. coagulans	B. heparinolyticus	B. stercoris1,2
B. coprocola	B. intestinalis1	B. thetaiotaomicron1,2
B. coprophilus	B. massiliensis1	B. uniformis1,2
B. coprosuis	B. nordiia	B. vulgatus1,2
B. dorei	B. oleiciplenus	B. xylanisolvens
B. eggerthii1,2	B. ovatus1,2	B. xylanolyticus
B. faecis	B. paurosaccharolyticus	B. zoogleoformans
B. finegoldii	B. plebeius

¹The main pathogenic species of Bacteroides that were included in an antibiotic susceptibility study and are most frequently isolated from clinical specimens; ²The 10 Bacteroides species earlier comprising the B. fragilis group are marked with a superscript b.