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Table 2 Relative abundance of dominant bacterial taxa in infant stool, according to household pets and siblings

From: Infant gut microbiota and the hygiene hypothesis of allergic disease: impact of household pets and siblings on microbiota composition and diversity

Taxon

Overall

Older siblings

Pets

Dog

Cat

 

N = 24

No

Yes

p

No

Yes

p

No

Yes

p

No

Yes

p

 

Mean

(SD)

n = 11

n = 13

 

n = 9

n = 15

 

n = 12

n = 12

 

n = 17

n = 7

 

Actinobacteria

              

Bifidobacteriaceae

39.6

(33.4)

40.9

38.6

-

58.8

28.1

0.03

46.7

32.6

-

48.0

19.3

0.03

Bifidobacterium

39.6

(33.4)

40.9

38.6

-

58.8

28.1

0.03

46.7

32.6

-

48.0

19.3

0.02

Coriobacteriaceae

1.4

(3.3)

0.3

2.3

0.07

2.2

0.9

-

2.0

0.8

-

1.7

0.6

-

Eggerthella

0.5

(1.0)

0.3

0.6

-

0.7

0.3

-

0.8

0.1

0.01

0.4

0.6

-

Bacteroidetes

              

Bacteroidaceae

0.8

(1.5)

0.8

0.8

-

1.2

0.5

-

0.9

0.7

-

0.9

0.5

-

Bacteroides

0.8

(1.5)

0.8

0.8

-

1.2

0.5

-

0.9

0.7

-

0.9

0.5

-

Firmicutes

              

Clostridiaceae

2.6

(7.2)

1.7

3.4

-

0.3

4.0

0.02

0.8

4.4

-

2.9

2.0

-

Clostridium

2.6

(7.2)

1.7

3.4

-

0.3

4.0

0.02

0.8

4.4

-

2.9

2.0

-

Enterococcaceae

1.5

(2.2)

1.7

1.3

-

0.9

1.8

-

0.7

2.3

0.09

1.6

1.1

-

Enterococcus

1.5

(2.2)

1.7

1.3

-

0.9

1.8

-

0.7

2.3

0.08

1.6

1.1

-

Erysipelotrichaceae

5.2

(8.7)

5.4

5.1

-

2.4

7.0

-

4.4

6.1

-

3.7

9.0

-

Lachnospiraceae

22.0

(22.0)

26.0

18.6

-

17.6

24.6

-

25.7

18.2

-

16.6

35.1

0.14

Blautia

3.0

(7.6)

5.4

0.9

-

0.6

4.4

-

0.7

5.2

-

0.9

8.1

-

Coprococcus

0.8

(2.6)

0.7

1.0

-

0.0

1.3

0.01

0.0

1.6

0.12

0.2

2.3

-

Peptostreptococcaceae

1.2

(2.0)

2.3

0.3

0.02

0.1

1.9

0.007

0.6

1.9

0.14

0.7

2.4

0.08

Ruminococcaceae

0.6

(1.1)

0.9

0.4

0.12

0.4

0.7

-

0.4

0.8

-

0.6

0.5

-

Streptococcaceae

5.7

(11.8)

2.5

8.4

-

3.3

7.1

-

3.0

8.4

-

4.9

7.6

-

Streptococcus

5.7

(11.8)

2.5

8.3

-

3.3

7.1

-

2.9

8.4

-

4.9

7.6

-

Veillonellaceae

4.7

(6.9)

5.2

4.3

-

1.2

6.8

0.02

1.6

7.8

0.02

3.4

7.7

-

Veillonella

4.6

(6.9)

5.0

4.3

-

1.2

6.7

0.02

1.6

7.6

0.03

3.4

7.7

-

Verrucomicrobia

              

Verrucomicrobiaceae

0.6

(2.2)

0.9

0.3

0.06

0.4

0.7

-

0.3

0.9

-

0.8

0.0

0.01

Akkermansia

0.6

(2.2)

0.9

0.3

0.06

0.4

0.7

-

0.3

0.9

-

0.8

0.0

0.01

Proteobacteria

              

Enterobacteriaceae

11.8

(11.1)

9.6

13.7

-

10.7

12.5

-

12.5

11.2

-

11.8

11.9

-

Escherichia_Shigella

10.5

(11.5)

8.8

11.9

-

10.4

10.5

-

12.3

8.7

-

10.4

10.7

-

Pasteurellaceae

0.2

(0.8)

0.1

0.3

-

0.0

0.4

0.09

0.1

0.4

-

0.2

0.2

-

Haemophilus

0.2

(0.8)

0.1

0.3

-

0.0

0.4

0.09

0.1

0.4

-

0.2

0.2

-

  1. SD, standard deviation. Differential abundance test conducted using Metastats algorithm. P-values >0.15 not shown. Taxa were excluded from this analysis if they did not exceed 1% relative abundance in at least 1 sample, or were not present in at least 3 infants.