Fig. 5

Correlation plot showing the functional correlation between the top 10 most common fecal bacteria genera and specific fecal metabolites (a), and significant correlations between cellobiose and the detected genus (b). Red and blue square represent the positive and negative correlations between metabolites and bacteria, respectively. (+), (−) denote metabolites detected in positive and negative ion modes, respectively. *, +, − all represent p < 0.05, |r| > 0.5, this means that there are significant correlations between bacteria and metabolites