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Human Genes Tied to Gut Fungi and Disease Risk, PLOS Biology Study Finds

The work reframes the gut mycobiome as partly shaped by host genetics rather than diet alone.

Overview

  • A peer-reviewed paper from Pennsylvania State University reports the first ternary links among human genetic variation, gut fungi, and chronic disease risk.
  • Using paired host-genome and gut-mycobiome data from 125 Human Microbiome Project participants, researchers ran a genome-wide association study.
  • The team identified 148 fungi-associated variants across seven chromosomes that correlate with the relative abundance of nine fungal taxa.
  • A notable signal involves the yeast Kazachstania, which the authors report as preliminarily associated with cardiovascular disease risk and in need of validation.
  • The discovery cohort was small, one key association was replicated in a larger independent sample, further mechanistic and population studies are needed, and the authors disclose a pending patent.