Comparative genomics reveals structural and functional features specific to the genome of a foodborne Escherichia coli O157:H7

Table 1 Comparison of basic features of the strain NADC 6564 chromosome and reference O157:H7 strains

Strains^a	Size (Mb)	CDS^b	tRNA genes	rRNA genes	Genomic Islands (GI)	Size range GI (kb)	% GC	Reference	Source
NADC 6564	5.46	5542	103	22	53	4–85	50.0	[28]	Ground Beef
EDL933	5.53	5587	100	22	63	3–88	50.4	[80]	Ground Beef
Sakai	5.49	5504	103	22	71	4–59	50.5	[72]	Sprouts
TW14359	5.52	5555	108	22	44	ND	50.5	[27]	Spinach
EC4115	5.57	5608	109	22	ND^c	ND	50.5	[25]	Spinach

^aAccession numbers: CP017251.1 (NADC 6564), CP008957.1 (EDL933), BA000007.2 (Sakai), CP001368.1 (TW14359), and NC_011353.1 (EC4115); ^bCDS Protein-coding sequence, ^cND Not determined

ISSN: 1471-2164