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

Table 2 The 5-nitroimidazole resistance nim genes of interest for Bacteroides

Nim gene type	Carrying genetic element	Activating IS	No. of isolates1
nimA
	pIP417 (7.7 kb)	IS1168	10[102,114,115]
	10 kb uncharacterized plasmid	IS1168	2[102]
	8.2 kb uncharacterized plasmid	IS614	1[102]
	Chromosomal	IS1168 or Unknown	3[102]
	Unknown	IS1168	12[115]
	Unknown	IS1169	1[116]
nimB
	Chromosomal	IS1168 or IS612 or IS614	8[102,114]
	Unknown	IS1168	3[116]
nimC
	pIP419 (10 kb)	IS1170	4[115]
	Chromosomal	IS1170	2[102]
	Unknown	IS1170	2[63,116]
nimD
	pIP421 (7.3 kb)	IS1169	1[102,117]
	Chromosomal	Unknown	1[102]
	Unknown	IS1169	6[116]
nimE
	pBF388c (pWAL610, 8.3 kb)	ISBf6	5[102,118]
nimF
	Chromosomal	Unknown	1[116]
nimG
	Unknown	Unknown	1[63]
nimH
	Unknown	Unknown	-2

¹The number if isolates with the given genotypes are indicated with references;

²Taken from GenBank (http://www.ncbi.nl.nih.gov, acc. no. FJ969397).