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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