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Table 1 Count of monophyletic strains in the samples detected from 12 subjects and their mothers

From: Long-term colonization exceeding six years from early infancy of Bifidobacterium longum subsp. longum in human gut

Subject ID Detection of the representative strainsa
Mother’s perinatal samples Subject’s samples
Prenatal feces Postnatal breast milk Feces in early infancy Feces in childhood
1st Sample 2nd Sample 7 days 30 days Meconium 3 days 7 days 30 days 90 days After weaningb 180 days ≈ 6 years
4 2 2 1 3
12 7 5 1 2 2 ns 2
13 3 3 1 3 3
16 5 3 1 3 5 3 4 ns 1 2
18 1 1 1 1 1 1 1 1
30 2 2 ns 1 1 1
38 3 1 1 3 2 1
44 1 1 1 1 1
48 1 1 ns 2 2
129 1 1 1 1 1 1 1
130 4 3 3 4
134 1 2 2 2 2 2
  1. ans, no sample was collected; −, no isolate was obtained
  2. bOne week after the introduction of solids