AUTHOR=Wang Xuan , Cao Di , Zhang Hanlin , Chen Wei , Sun Jiaxin , Hu Huimin TITLE=Utilizing metagenomic profiling and machine learning model to identify bacterial biomarkers for major depressive disorder JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1539596 DOI=10.3389/fpsyt.2025.1539596 ISSN=1664-0640