Table 2.

Bifidobacterium longum strains harboring CRISPR-Cas immune systems.

B. longum	Strain	CRISPR subtype	CRISPR locus GC%	Whole genome GC%	Origin	References
longum	7	I-C	49.03	60	Commercial	Lewis et al., 2016
	9	I-C	49.03	60	Commercial	Lewis et al., 2016
	379	I-C	50.5	60.20	Human gut	Averina et al., 2012
	35624	I-C	49.03	60	Human gut	Altmann et al., 2016
	105-A	II-C	49.56	60.10	Infant feces	Kanesaki et al., 2014
	1-6B	II-C	49.6	59.6	Infant feces	Shkoporov et al., 2013
		I-E	58.11
	17-1B	I-U	50.1	60.20	Infant feces	Chaplin et al., 2015
	2-2B	II-C	49.5	59.70	Infant feces	Shkoporov et al., 2013
		I-E	58.7
	35B	II-C	49.5	60.10	Infant feces	Shkoporov et al., 2013
	44B	II-C	49.5	59.7	Infant feces	Shkoporov et al., 2013
		I-E	58.03
	7-1B	II-C	49.53	59.80	Infant feces	Chaplin et al., 2015
	BBMN68	I-E	55.1	59.90	Human feces	Hao et al., 2011
	BG7	II-C	49.56	60.01	Infant feces	Kwon et al., 2015
	BLO12	II-C	49.6	60.00	Infant feces	Milani et al., 2015
	CECT 7347	II-C	49.6	60	Commercial	Chenoll et al., 2013
	DJO10A	II-C	49.55	60.11	Adult feces	Lee et al., 2008
	KACC 91563	II-C	49.7	59.81	Neonates feces	Ham et al., 2011
	MC-42	I-E	55.13	59.80	Infant feces	Tupikin et al., 2016
	VMKB44	II-C	49.6	60.30	Infant feces	Chaplin et al., 2015
infantis	BT1	I-C	49.3	59.4	Infant feces	Chung, 2017
	EK3	I-E	54.6	59.4	Infant feces	Chaplin et al., 2015
		I-C	55.7
	IN-07	I-C	56.5	60.0	Infant feces	Matsuki et al., 2016
	IN-F29	I-C	56.6	59.90	Infant feces	Matsuki et al., 2016
suis	AGR2137	I-E	54.6	59.90	Calf feces	Kelly et al., 2016
	BSM11-5	I-C	55.8	59.90	Infant feces	Bunesova et al., 2016