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. 2024 Nov 12;15:1450064. doi: 10.3389/fgene.2024.1450064

FIGURE 8.

FIGURE 8

Spearman correlation heatmap showing associations between aging-associated bacterial genera and both upregulated (red-labeled) and downregulated (blue-labeled) metabolites in old mice. Differential genera, defined by the results from LEfSe and the intersection of LinDA and Welch’s t-test, were analyzed with Bonferroni correction to identify robust correlations. Significant correlations are indicated by *P < 0.05, **P < 0.01, and ***P < 0.001, with color intensity reflecting correlation strength.