TABLE 1.

Allelic diversity among 112 C. jejuni isolates from farm animal and environmental sources

LocusFragment size (bp)No. of allelesNo. of variable sitesb% Variable sitesbdN/dS ratiobPairwise FSTaP valuesc
asp4775132.70.0450.0440.005
gln4778173.60.0930.0280.000
glt402121640.0480.0940.000
gly50711285.50.0450.0530.000
pgm49811346.80.0260.0810.000
tkt4599265.70.0080.0510.000
unc489671 (4)14.5 (0.8)0.143 (0.000)0.0150.135
All loci3,30930207 (140)6.3 (4.2)0.030 (0.037)0.0050.000
  • a Comparison with the 91 human disease isolates from stool cultures in the United Kingdom during 1999.

  • b Figures in parentheses exclude uncA allele 17, which may have come from a different Campylobacter species (11).

  • c FST P values calculated at a 0.05 significance level.