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Table 3 Polymorphisms at nine genes in the L. innocua-L. monocytogenes clade

From: Internalin profiling and multilocus sequence typing suggest four Listeria innocua subgroups with different evolutionary distances from Listeria monocytogenes

Gene No. strains Size (bp) No. alleles No. (%) polymorphic sites D.I. Ks Ka Ka/Ks π
gyrB 64 657 23 74 (11.26%) 0.91 0.1991 0.0010 0.0050 0.0384
dapE 64 669 39 146 (21.82%) 0.98 0.2337 0.0152 0.0650 0.0564
hisJ 64 714 32 187 (26.19%) 0.95 0.3999 0.0380 0.0951 0.1000
sigB 64 642 24 83 (12.93%) 0.92 0.2588 0.0054 0.0207 0.0518
ribC 64 633 34 163 (25.75%) 0.93 0.6002 0.0209 0.0348 0.1093
purM 64 693 31 170 (24.53%) 0.94 0.3955 0.0194 0.0490 0.0853
betL 64 534 32 171 (32.02%) 0.94 0.7918 0.0312 0.0394 0.1325
gap 64 621 18 28 (4.51%) 0.76 0.0240 0.0013 0.0547 0.0067
tuf 64 681 11 14 (2.06%) 0.80 0.0182 0.0021 0.1160 0.0058
Concatenated 64 5,844 61 1036 (17.73%) 0.99 0.2621 0.0147 0.0559 0.0623
Concatenated, L. innocua 34 5,844 31 391 (6.69%) 0.99 0.0365 0.0032 0.0865 0.0106
Concatenated, subgroupA 19 5,844 18 90 (1.54%) 0.99 0.0142 0.0018 0.1241 0.0046
Concatenated, subgroup B 13 5,844 11 135 (2.31%) 0.97 0.0280 0.0018 0.0628 0.0077
Concatenated, subgroup C 1 5,844 1 -- -- 0.4659 0.0241 0.0517 --
Concatenated, subgroup D 1 5,844 1 -- -- 0.4867 0.0225 0.0461 --
Concatenated, L. monocytogenes 30 5,844 30 820 (14.03%) 1.00 0.1781 0.0089 0.0500 0.0438
Concatenated, lineage I 10 5,844 4 84 (1.44%) 1.00 0.0174 0.0019 0.1112 0.0055
Concatenated, lineage II 10 5,844 6 250 (4.28%) 1.00 0.0493 0.0027 0.0537 0.0131
Concatenated, lineage III 10 5,844 10 522 (8.93%) 1.00 0.1459 0.0084 0.0575 0.0374
  1. D.I.: discrimination index; Ks: number of synonymous changes per synonymous site; Ka: number of non-synonymous changes per non-synonymous site; π: nucleotide diversity.