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. 2018 Apr 2;84(8):e02590-17. doi: 10.1128/AEM.02590-17

TABLE 2.

Genomic characteristics of different S. suis populationsa

Isolate No. of isolates Simpson′s diversity index
 Proportion of HDAS (%) Virulence genotype pattern (%) (epf mrp sly)
Ds CI− CI+ − − − − mrpNA2 sly − mrpNA1 − − mrpNA1 sly − mrpEU sly epf mrpNA2 sly epf mrpNA1 sly epf mrpEU sly
All S. suis isolates
    China_HTS 168 0.971 0.962 0.981 43.45 75.00 6.55 5.95 6.55 2.38 1.19 0.60 1.79
    China_LTS 55 0.976 0.960 0.991 32.73 89.09 1.82 0 1.82 0 5.45 0 1.82
    UK_HTS 97 0.965 0.947 0.982 28.86 85.57 8.25 0 5.15 0 0 1.03 0
    UK_LTS 30 0.966 0.929 1.000 6.67 86.67 3.33 3.33 6.67 0 0 0 0
    China_5 WOS 145 0.969 0.959 0.979 42.76 75.17 7.59 5.52 6.90 0 2.07 0.69 2.07
    China_20 WOS 78 0.972 0.957 0.987 37.18 84.62 1.28 2.56 2.56 5.13 2.56 0 1.28
    UK_5 WOS 91 0.960 0.940 0.980 28.57 84.62 8.79 0 5.49 0 0 1.098 0
    UK_20 WOS 36 0.987 0.975 0.999 11.11 88.89 2.78 2.78 5.56 0 0 0 0
    China_IPFS 138 0.972 0.964 0.981 39.86 76.81 7.25 3.62 7.25 0 1.45 0.72 2.90
    China_SPFS 85 0.941 0.908 0.973 42.35 81.18 2.35 5.88 7.06 0 3.53 0 0
    China_all 223 0.979 0.973 0.985 40.81 78.48 5.38 4.48 5.38 1.79 2.24 0.45 1.79
    UK_all 127 0.972 0.959 0.984 23.62 85.83 7.09 0.79 5.51 0 0 0.79 0
Filtered S. suis isolates
    China_filtered 209 0.980 0.974 0.986 39.71 78.47 5.26 4.78 5.47 1.44 2.39 0.48 1.44
    UK_filtered 125 0.972 0.960 0.985 23.20 85.60 7.20 0.80 5.60 0 0 0.80 0
a

HDAS, human disease-associated serotype; HTS, high-temperature subgroup; LTS, low-temperature subgroup; 5 WOS, 5-week-old subgroup; 20 WOS, 20-week-old subgroup; IPFS, intensive pig farm subgroup; SPFS, small pig farm subgroup; Ds, Simpson′s diversity index; CI+, confidence interval upper limit (95%); CI−, confidence interval lower limit (95%).