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Table 1 Homologous Bifidobacterium animalis subsp. lactis Probio-M8 (M8) isolates recovered from mother-infant pairs

From: Bifidobacterium animalis subsp. lactis Probio-M8 undergoes host adaptive evolution by glcU mutation and translocates to the infant’s gut via oral-/entero-mammary routes through lactation

Family code

Number of homologous isolates of M8

Total

Maternal feces

Breast milk

Infant feces

B

8 (2)a

2

b

10

D

22

1

23

F

8

8

16

G

22 (1)

2

3 (1)

27

J

12 (2)

2

14

L

9

1

10

N

19

1

1 (2)

21

Q

10 (1)

1

─ (2)

11

S

2

2

7

11

T

28 (2)

7

9

44

X

5

2

1

8

Total

145

21

29

195

  1. aThe number of metagenome-assembled genomes of homologous M8 from the respective fecal samples is shown in brackets. b “─” indicates not detected