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. 2026 Apr 20;17:1787938. doi: 10.3389/fmicb.2026.1787938

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Copyright © 2026 Fu, Li, Miao, Mai, Lu, Xiao, Kuang and Guo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Panel A contains a Venn diagram showing overlap between TSPSS1 and TSPSS2, with two unique to TSPSS2, none unique to TSPSS1, and two thousand three hundred twenty-nine shared. Below are bar and dot plots summarizing these values. Panel B shows a correlation heatmap of six samples (TSPSS1-TSPSS6), where higher similarity is shown by red and lower by blue, with values ranging from zero point nine eight to one point zero zero. — Similarity and correlation analysis results of metabolic composition of TSPSS samples. (A) Similarity of metabolic composition and abundance; (B) Sample repeatability.