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Table 1 S. Pullorum isolates in this study

From: Quinolone resistance phenotype and genetic characterization of Salmonella enterica serovar Pullorum isolates in China, during 2011 to 2016

Strains Susceptibility to different (fluoro)quinolones agentsa Mutation in DNA gyrases Sequence types Biofilm-forming abilityb Province (year) Sourcesc
CIP OFL ENR NOR NA GyrA GyrB
TC03 S S S S R    ST92 Anhui (2011) spleen of DC
TC07 S S S S R    ST92 Anhui (2012) liver of DC
KQ58 S S I S R    ST92 Anhui (2012) cecum of DC
HF60 S S I S R    ST92 + Anhui (2015) anus swabs of DC
WX46 S S I I R Asp-87-Gly Leu-451-Ile ST2151 Anhui (2016) spleen of DC
WX47 S S I I R Asp-87-Gly   ST2151 + Anhui (2016) spleen of DC
XY83 S S I R R    ST92 + Henan (2013) cecum of DC
XY84 S S S S S    ST92 Henan (2013) cecum of DC
WH59 S S I I R Asp-87-Gly   ST2151 Hubei (2013) anus swabs of DC
YZ01 S S S I R    ST92 + Jiangsu (2011) liver of DC
JD02 S S I I R    ST92 + Jiangsu (2011) liver of DC
JD04 S S R S R    ST92 Jiangsu (2012) liver of DC
HA05 S S S S R    ST92 Jiangsu (2012) liver of DC
YC06 S S S S R    ST92 Jiangsu (2012) ovary of DC
JD11 S S S I R    ST92 + Jiangsu (2014) liver of DC
YZ12 S S I R R    ST92 + Jiangsu (2014) liver of DC
QD14 S S S I R    ST92 Shandong (2014) cecum of DC
RZ15 S S I S R    ST92 + Shandong (2015) cecum of DC
WH72 S S S S R    ST92 Hubei (2013) anus swabs of HLC
WH73 S S S R R    ST92 + Hubei (2013) anus swabs of HLC
WH74 S S S R R    ST92 + Hubei (2013) anus swabs of HLC
HS77 S S S I R    ST92 Hubei (2013) anus swabs of HLC
GC80 I S I S R    ST92 + Hubei (2015) anus swabs of HLC
GC81 S S S S S    ST92 Hubei (2015) anus swabs of HLC
GC82 S S S S S    ST92 + Hubei (2015) anus swabs of HLC
JS92 S S R S R    ST92 + Hubei (2013) anus swabs of HLC
JS104 S S S S R    ST92 + Hubei (2013) anus swabs of HLC
JS106 S S S S R    ST92 + Hubei (2013) anus swabs of HLC
JS107 S S S I R    ST92 + Hubei (2013) anus swabs of HLC
DY153 S S S I R    ST92 Hubei (2016) anus swabs of HLC
  1. aCIP, Ciprofloxacin, OFL, Ofloxacin, ENR, Enrofloxacin, NOR, Norfloxacin, NA, Nalidixic acid, R resistant, I intermediate, S susceptible
  2. bCutoff OD value = 0.21; “-”: non-biofilm producer (OD ≤ 0.21); “+”: weak biofilm producer (0.21 < OD ≤ 0.42); “++”: strong biofilm producer (OD > 0.42)
  3. cDC diseased chicken, HLC healthy-looking chicken