Table 2 Comparison of genetic markers (ITS and gltA) used to detect Bartonella species in Arctic and subarctic rodents and shrews in NT, Canada, via conventional PCR
Year | Species (#) | Positives with ITS region (% [95% CI]) | Positives with gltA gene (% [95% CI]) | Positives with both (% [95% CI]) |
|---|---|---|---|---|
2017 | Northern Red-backed vole (18) Deer Mouse (9) Meadow Vole (3) Shrews (15) | 3 (17) 2 (22) 0 (0) 5 (15) | 2 (11) 0 (0) 0 (0) 1 (7) | 2 (11) 0 (0) 0 (0) 1 (7) |
2017 Small mammal total | 45 | 10 (22 [13–36]) | 3 (7 [2–18]) | 3 (7 [2–18]) |
2018 | Northern red-backed vole (168) Deer Mouse (41) Meadow Vole (12) Collared Lemming (8) Shrews (44) | 40 (24) 15 (37) 4 (33) 0 (0) 13 (30) | 11 (7) 0 (0) 0 (0) 0 (0) 3 (7) | 9 (5) 0 (0) 0 (0) 0 (0) 3 (7) |
2018 Small mammal total | 273 | 72 (26 [22–32]) | 14 (5 [3–8]) | 12 (4 [3–8]) |
2019 | Northern red-backed vole (163) Deer Mouse (18) Meadow Vole (5) Collared Lemming (1) | 77 (47) 8 (44) 3 (60) 0 (0) | 62 (38) 0 (0) 0 (0) 0 (0) | 45 (28) 0 (0) 0 (0) 0 (0) |
2019 Small mammal total | 187 | 88 (47 [40–54]) | 62 (33 [27–40]) | 45 (24 [19–31]) |
Project total | 505 | 170 (34 [30–38]) | 79 (16 [13–19]) | 60 (12 [9–15]) |