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Table 1 Recombination analysis

From: The Giardia lamblia vsp gene repertoire: characteristics, genomic organization, and evolution

DNA polymorphism analysis

Sawyers test for recombination

GROUP

Number of VSPs

BP

GAPS

POLYMORPHISMS (%)

SINGLE VAR SITES

Pi-Value

Inner frags

Best inner p-val

Best inner BC-val

Outer frags

Best outer p-val

Best outer BC-val

All (1&2)

12

234

0

174 (74.36)

42

0.3403

26

0.0000

0.0007

0

N/A

N/A

clade1

8

234

0

151 (64.52)

85

0.2599

16

0.0000

0.0002

1

0.0027

0.0311

clade2

4

234

0

59 (25.21)

50

0.1467

4

0.0008

0.0073

4

0.0011

0.0071

longClade

13

657

0

153 (23.28)

17

0.0865

41

0.0000

0.0000

1

0.0365

0.3755

All (3 & 4)

7

546

0

143 (26.19)

14

0.1347

10

0.0000

0.0002

1

0.0013

0.0114

clade3

3

546

0

95 (17.4)

95

0.1160

2

0.0000

0.0002

2

0.0000

0.0002

clade4

4

546

0

110 (20.14)

72

0.1178

6

0.0048

0.0268

2

0.0195

0.1069

  1. Clade 1 contains vsp genes; 41, 180, 49, 48.1, 204, 31, 43, and 38.
  2. Clade 2 contains vsp genes: 95, 18, 21 and 23
  3. longClade contains vsp genes: 279, 235, 272, 111, 248, 223, 191, 83, 234, 271, 222, 216 and 137
  4. Clade 3 contains vsp genes: 217, 139 and 138
  5. Clade 4 contains vsp genes: 270, 261, 290 and 62
  6. Clade 5 contains vsp genes: 150, 140, 153 and 151
  7. Clade 6 contains vsp genes: 245, 82 and 210.