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Table 1 Overview of non-pO157 plasmids found within the sample population. Plasmids occurred primarily within clade as noted

From: Rates of evolutionary change of resident Escherichia coli O157:H7 differ within the same ecological niche

Plasmid

Size (bp)

Primary Clade

Previously identified in feedlot

Previously identified outside of MARC

Features of interest

1

2679

2

Yes

CP011435 (Salmonella enterica, 99.5% similar)

-nikA

2

3306

4

Yes

AB011548 (Sakai 100% similar)

-nikA

IsoB and IsoA

3

6078

1

Yes

CP038310 (Show KS 100% similar)

-mbeD

-mobC

-type III toxin-antitoxin toxN/abiQ

4

38-40 kb

2

Yes

CP038337 (LSU61 99.1% similar)

-cbiX

-traD, traL, trbJ)

-eexN

-sprT

-tnpB

-type II toxin-antitoxin hicA

-type IV secretion protein

-virB11