Table 1 Percent of positive attachment tests for clones of D. magna, D. similis, and D. sinensis to five P. ramosa isolates

From: Long-term balancing selection for pathogen resistance maintains trans-species polymorphisms in a planktonic crustacean

Daphnia species

  

P. ramosa isolate and site of attachment

 

D. magna clade

Number clones

C1-foregut

C19-foregut

P15-hindgut

P15-foregut

P20-foregut

P21-hindgut

P21-foregut

All isolates and sites

D. magna (total, n = 157)

Western Eurasia

125

33.60

29.60

64.00

5.60

36.00

76.00

3.20

35.43

East Asia

18

11.11

16.67

50.00

0.00

11.11

55.56

0.00

20.64

North America

14

21.43

21.43

0.00

35.71

14.29

64.29

35.71

27.55

D. similis

 

15

6.67

0.00

6.67

13.33

20.00

26.67

13.33

12.38

D. sinensis

 

14

28.57

14.29

78.57

57.14

28.57

64.29

57.14

46.94

  

Average:

20.28

16.4

39.85

22.36

21.99

57.36

21.88

28.59

  1. P. ramosa isolates C1, C19, and P20 attach only to the host’s foregut, while P15 and P21 are able to attach to the host’s fore- and hindgut.