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Table 1 Allele distribution of nine VNTR loci of S. Enteritidis isolates from different sources

From: Allele distribution and genetic diversity of VNTR loci in Salmonella entericaserotype Enteritidis isolates from different sources

VNTR Allele§ Human (n = 41) Chicken (n = 45) Egg (n = 40) Othersb (n = 19) Total (n = 145)
Loci   No. (%) D a No. (%) D No. (%) D No. (%) D No. (%) D
SE1* ,+ 4 1 (2.4)         1 (0.7)  
  5 16 (39.0)       5 (26.3)   21 (14.5)  
  6 23 (56.1)   37 (82.2)   34 (85.0)   11 (57.9)   105 (72.4)  
  7 1 (2.4)   3 (6.7)   6 (15.0)   3 (15.8)   13 (9.0)  
  8   0.55 5 (11.1) 0.31   0.26   0.60 5 (3.4) 0.45
SE2* ,+ Null    2 (4.4)       2 (1.4)  
  5 4 (9.8)         4 (2.8)  
  6 17 (41.5)   3 (6.7)   7 (17.5)   10 (52.6)   37 (25.5)  
  8 1 (2.4)   2 (4.4)     4 (21.1)   7 (4.8)  
  9 16 (39.0)   25 (55.6)   33 (82.5)   2 (10.5)   76 (52.4)  
  10 2 (4.9)   12 (26.7)     3 (15.8)   17 (11.7)  
  11 1 (2.4) 0.68 1 (2.2) 0.63   0.30   0.68 2 (1.4) 0.65
SE3* ,+ 3 10 (24.4)   4 (8.9)     6 (31.6)   20 (13.8)  
  4 30 (73.2)   41(91.1)   40 (100)   13 (68.4)   124 (85.5)  
  5 1 (2.4) 0.41   0.17   0.00   0.46 1 (0.7) 0.25
SE5+ 6        3 (15.8)   3 (2.1)  
  7 1 (2.4)         1 (0.7)  
  9    1 (2.2)     3 (15.8)   4 (2.8)  
  10 1 (2.4)         1 (0.7)  
  11 19 (46.3)   16 (35.6)   11 (27.5)   3 (15.8)   49 (33.8)  
  12 16 (39.0)   10 (22.2)   29 (72.5)   5 (26.3)   60 (41.4)  
  13 3 (7.3)   12 (26.7)     5 (26.3)   20 (13.8)  
  14    3 (6.7)       3 (2.1)  
  17 1 (2.4)         1 (0.7)  
  18   0.64 3 (6.7) 0.76   0.41   0.83 3 (2.1) 0.70
SE6 Null    2 (4.4)       2 (1.4)  
  11 41 (100)   42 (93.3)   40 (100)   19 (100)   142 (97.9)  
  12   0.00 1 (2.2) 0.13   0.00   0.00 1 (0.7) 0.04
SE7* ,+ Null    3 (6.7)       3 (2.1)  
  4    1 (2.2)       1 (0.7)  
  5 1 (2.4)         1 (0.7)  
  6 2 (4.9)         2 (1.4)  
  7 10 (24.4)       6 (31.6)   16 (11.0)  
  8 28 (68.3) 0.48 41 (91.1) 0.17 40 (100) 0.00 13 (68.4) 0.46 122 (84.1) 0.28
SE8* ,# 1 22 (53.7)   11 (24.4)   27 (67.5)   6 (31.6)   66 (45.5)  
  2 19 (46.3) 0.51 34 (75.6) 0.38 13 (32.5) 0.45 13 (68.4) 0.46 79 (54.5) 0.50
SE9* ,+ 2 31 (75.6)   45 (100)   40 (100)   16 (84.2)   132 (91.0)  
  3 10 (24.4) 0.38   0.00   0.00 3 (15.8) 0.28 13 (9.0) 0.16
SE10 7    4 (8.9)       4 (2.8)  
  8 41 (100) 0.00 41 (91.1) 0.17 40 (100) 0.00 19 (100) 0.00 141 (97.2) 0.05
  1. §: Allele numbers corresponding to the numbers of tandem repeats for each of the nine VNTR loci
  2. a: Nei's index of diversity as 1 - Σ (allele frequency)2
  3. b: denotes chicken farm environment (n = 6), mouse (n = 4), mink (n = 4), bovine (n = 2), mule deer (n = 1), sea lion (n = 1) sources
  4. Null: No amplification of the allele
  5. *: Statistically significant difference between human and chicken for each VNTR locus
  6. +: Statistically significant difference between human and egg for each VNTR locus
  7. #: Statistically significant difference between chicken and egg for each VNTR locus
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