Table 2 Bacterial species with a significant change in abundance before (Pre) and after (Post) the race.

From: Alterations in intestinal microbiota in ultramarathon runners

Name

Pre (%)

Post (%)

Change

p

Mean

SD

Mean

SD

Collinsella aerofaciens

1.3

0.5

2.4

0.6

Up

0.005

Catenibacillus scindens

 < 0.1

 < 0.1

 < 0.1

 < 0.1

Up

0.014

Clostridium sp E2

 < 0.1

 < 0.1

 < 0.1

 < 0.1

Up

0.014

Ruminococcaceae bacterium LM158

0.1

0.2

0.4

0.5

Up

0.014

Alistipes putredinis

0.1

0.2

0.2

0.2

Up

0.022

Blautia luti

 < 0.1

 < 0.1

 < 0.1

 < 0.1

Down

0.032

Drancourtella massiliensis

0.1

0.2

0.2

0.2

Up

0.035

Massiliomicrobiota timonensis

 < 0.1

 < 0.1

0.1

0.1

Up

0.036

Clostridium sp Culture Jar 17

 < 0.1

 < 0.1

0.1

0.1

Up

0.036

Eubacterium rectale

 < 0.1

 < 0.1

 < 0.1

 < 0.1

Down

0.036

Romboutsia timonensis

 < 0.1

0.1

0.4

0.7

Up

0.039

Faecalibacterium prausnitzii

2.9

1.6

1.6

1.1

Down

0.041

Butyrate-producing bacterium SS3/4

0.3

0.3

0.2

0.3

Down

0.042

Streptococcus sanguinis

 < 0.1

 < 0.1

 < 0.1

 < 0.1

Up

0.042