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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