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Table 3 Evidence for vertical transmission and genotype identity of Bartonella spp. in embryos isolated from female voles in 2013 and 2014

From: Bartonella infections in three species of Microtus: prevalence and genetic diversity, vertical transmission and the effect of concurrent Babesia microti infection on its success

ID of pregnant female

Host species

No. of embryos in litter

No. of embryos infected with Bartonella spp. in litter

% of infected embryos

Bartonella strain

In positive female

No. of genotyped embryos

2013/3

M. arvalis

7

1

14.3

nd

1× B. taylorii (clade B)

2013/21

M. arvalis

6

4

66.7

B. taylorii (clade B) + B. rochalimae-like

2× B. rochalimae-like + B. taylorii (clade B); 1× B. taylorii (clade B)

2013/36

M. agrestis

8

4

50.0

B. taylorii (clade B)

3× B. taylorii (clade B)

2013/37

M. arvalis

5

3

60.0

B. taylorii (clade B)

3× B. taylorii (clade B)

2013/41

M. arvalis

6

2

33.3

B. taylorii (clade A)

B. taylorii (clade B)

2013/45

M. arvalis

2

1

50.0

B. grahamii

B. taylorii (clade B)

2013/63

M. oeconomus

5

0

0

B. taylorii (clade B)

nd

2013/70

M. oeconomus

6

1

16.7

B. grahamii

1× B. taylorii (clade B)

2013/72

M. arvalis

6

0

0

B. taylorii (clade A)

nd

2013/78

M. arvalis

7

0

0

B. taylorii (clade B)

nd

2013/80

M. arvalis

4

3

75.0

B. taylorii (clade B) + B. grahamii

3× B. taylorii (clade B)

2014/19

M. oeconomus

7

7

100

B. grahamii

B. grahamii

2014/44

M. oeconomus

6

6

100

B. grahamii

nd*

2014/68

M. oeconomus

6

4

66.7

B. taylorii (clade B) + B. doshiae

4× B. taylorii (clade B)

2014/155

M. arvalis

4

4

100

nd

3× B. taylorii (clade B)

Total

15 (9 Ma; 5 Mo; 1 Mag)

85 (47 Ma;30 Mo; 8 Mag)

40 (18 Ma; 18 Mo; 4 Mag)

47.1% (38.3% in Ma; 60.0% in Mo; 50.0% in Mag)

16 Bartonella spp. (2 B. taylorii clade A; 7 B. taylorii clade B; 5 B. grahamii; 1 B. doshiae; 1 B. rochalimae-like)

27 Bartonella spp. (23 B. taylorii clade B; 2 B. grahamii; 2 B. rochalimae-like)

  1. Abbreviations: nd, not done; nd*, not done because of a weak signal; Ma, Microtus arvalis; Mo, Microtus oeconomus; Mag, Microtus agrestis