Table 2.
Isolate matches and antibiotic resistance patterns between mother-infant pairs identified among 126 unique isolates derived from breast milk and infant stool samples collected from 15 mother-infant pairs on 2 consecutive days
| Mother-Infant Pair |
Colony ID |
Subject ID |
Source |
Isolate |
Barcode Match (%) |
Ampicillin |
Chloramphenicol |
Clindamycin |
Erythromycin |
Gentamicin |
Streptomycin |
Tetracycline |
Vancomycin |
Quinupri/Dalfopri |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FIRST SAMPLING DAY | ||||||||||||||
| A | 126 L2 | 102 | Fecal | Lactobacillus fermentum | 99.2 | 0.94 | 4 | 0.064 | 0.5 | 4 | 64 | 6 | n.r. (>256) | 0.38 |
| 124 L2 | 1022 | Milk | Lactobacillus fermentum | 0.94 | 3 | 0.064 | 0.5 | 6 | 96* | 4 | n.r. (>256) | 0.038 | ||
| 126 LT1 | 102 | Fecal | Lactobacillus gasseri | 98.8 | 0.19 | 8 | 12* | 0.25 | 8 | 12 | 1 | 1.5 | 0.25 | |
| 124 L1 | 1022 | Milk | Lactobacillus gasseri | 0.19 | 12* | 48* | 0.38 | 16 | 12 | 4 | 2 | 0.5 | ||
| B | 141 R4 | 202 | Fecal | Enterococcus faecalis | 99.1 | 0.25 | >256* | >256* | >256* | >256* | >256* | 16* | 2 | 4 |
| 139 R2 | 2022 | Milk | Enterococcus faecalis | 0.19 | 8 | >256* | 96* | 128* | 256* | 16* | 2 | 8* | ||
| C | 147 L2 | 204 | Fecal | Lactobacillus gasseri | 98.1 | >256* | 8* | 2* | 0.38 | 6 | 12 | 1.5 | 2 | 0.38 |
| 145 L1 | 2044 | Milk | Lactobacillus gasseri | >256* | 16* | 4* | 0.19 | 12 | 8 | 3 | 3* | 0.5 | ||
| D | 159 B1 | 303 | Fecal | Bifidobacterium longum infantis (breve) | 97.4 | 0.5 | 0.5 | 0.125 | 0.094 | 8 | 24 | 0.38 | 0.38 | 0.125 |
| 157 B1 | 3033 | Milk | Bifidobacterium longum infantis (breve) | 0.64 | 0.019 | 0.032 | 0.019 | 6 | 8 | 0.19 | 0.38 | 0.125 | ||
| 159 L1 | 303 | Fecal | Lactobacillus gasseri | 98.3 | 0.19 | 4 | 12* | 0.19 | 8 | 12 | 1 | 1 | 2 | |
| 157 L1 | 3033 | Milk | Lactobacillus gasseri | >256* | 8* | 4* | 0.19 | 8 | 12 | 1 | 3* | 2 | ||