Table 1

Summary of SSH experiments.


SSH

670 v 11168
504 v 11168
1967 v 11168
629 v 2 drivers
961 v 2 drivers

Tester MLST group
ST-21
ST-21
ST-42
ST-45
ST-61
Tester source
duck
cattle
cattle
rabbit
rabbit
SSH restriction enzymes
AluI/DraI
AluI/DraI
AluI/DraI
RsaI
RsaI






clones sequenced
75
92
98
98
145
unsubtracted
16
40
24
53
60
%subtracted
79%
57%
76%
46%
59%
repeats
7
9
12
28
64
%repeats
12%
17%
16%
53%
75%
subtracted (SSH) sequences
52
43
62
17
21
SSH sequence length range





     <200 bp
21
22
14
0
1
     200–400 bp
28
20
37
4
5
     400–600 bp
3
1
9
4
2
     >600 bp
0
0
2
9
13
Best BLASTX match by strain





RM1221 (chicken)
16
23
8
4
4
81–176 (human)
16
1
39
4
0
11168 (human)
2
2
1
1
0
other C. jejuni
11
16
12
5
17
other Campylobacter sp.
5
1
1
1
0
other genera
0
0
0
2
0
no significant match
2
0
1
0
0
% Campylobacter
96%
100%
98%
88%
100%
Campylobacter 50–80% ID
2
0
2
0
1
Campylobacter <50% ID
0
0
0
1
2
Best BLASTX by function





capsule
0
1
6
3
2
LOS
0
0
6
1
6
flagella/motility
0
2
4
1
4
restriction-modification
1
1
4
0
0
membrane/transport
2
5
7
3
3
metabolism/biosynthesis
1
4
18
4
0
plasmid
24
0
1
0
0
bacteriophage
14
7
0
0
2
hypothetical or unknown
7
23
12
2
1
others
1
0
3
3
3
no significant match
2
0
1
0
0

The number of isolates fitting into each category is presented for each of the five subtractions. ID; protein sequence identity

Hepworth et al. BMC Genomics 2007 8:110   doi:10.1186/1471-2164-8-110