Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, Polymerase chain reaction assay result for virulence gene EntB (371 bp); lines 1 and 13 = DNA size ladder 100 bp (GeneDireX); Line 2 = reference strain for EntB gene positive; line 3 = negative control; lines 4–12 = positive samples. B, PCR results for fimH‐1 (688 bp) virulence gene; lines 1 and 12 = DNA size ladder 100 bp (GeneDireX), line 2 = reference strain for fimH‐1 gene positive; line 3 = negative control; lines 4–11 = positive samples
