Table 1.
Numbers of Transmitted Species and Exclusively Shared Genes in Mother-Infant Pairs From Control and Antibiotic-Treated Groups
| Study ID (Control Group; Antibiotic Group) | Transmitted Species or ESGs (AMR Genesa), No. | |||||||
|---|---|---|---|---|---|---|---|---|
| Age 3–7 d | Age 12 mo | |||||||
| Control Group | Antibiotic Group | Control Group | Antibiotic Group | |||||
| Transmitted Species | ESGs | Transmitted Species | ESGs | Transmitted Species | ESGs | Transmitted Species | ESGs | |
| 13; 6 | 20 (1) | 466 (2) | 1 (0) | 2 (0) | 32 (1) | 1656 (1) | 59 (0) | 298 (0) |
| 26; 31 | 8 (1) | 270 (2) | 6 (0) | 26 (0) | 38 (1) | 1297 (2) | 42 (0) | 221 (0) |
| 35; 32 | 0 (0) | 0 (0) | 0 (0) | 0 (0) | NA | NA | ||
| 37; 70 | 37 (0) | 495 (0) | 10 (0) | 74 (0) | 36 (0) | 125 (0) | 68 (0) | 873 (0) |
| 43; 74 | 43 (1) | 2114 (23) | 0 (0) | 0 (0) | 69 (0) | 1344 (0) | 22 (0) | 98 (0) |
| 45; 88 | 18 (1) | 1223 (2) | 0 (0) | 0 (0) | NA | 11 (0) | 32 (0) | |
| 89; 95 | 24 (1) | 1786 (11) | 1 (0) | 1 (0) | 68 (0) | 3144 (0) | 40 (0) | 257 (0) |
| 93; 98 | 0 (0) | 0 (0) | 1 (0) | 1 (0) | 34 (0) | 327 (0) | 18 (0) | 159 (0) |
| 105; 136 | 58 (4) | 2080 (14) | 27 (0) | 274 (0) | 62 (2) | 1278 (3) | NA | |
| 123; 148 | 47 (2) | 2471 (2) | 0 (0) | 0 (0) | 40 (0) | 552 (0) | 62 (1) | 585 (1) |
| Mean; mean | 26 (1) | 1091 (5) | 5 (0) | 38 (0) | 47 (1) | 1215 (1) | 40 (0) | 315 (0) |
Abbreviations: AMR, antimicrobial-resistant; ESGs, exclusively shared genes; ID, identification number; NA, dropped out.
aParenthetical numbers represent species with AMR genes or ESGs that are AMR genes.