Blood Microbiome: Fact or Fiction? Evidence from 9,770 Healthy Individuals.

Is human blood truly sterile, or could there be a hidden microbiome present even in healthy individuals? Join us for a webinar featuring Dr. Niranjan Nagarajan, the lead author of the groundbreaking study, “No evidence for a common blood microbiome based on a population study of 9,770 healthy humans,” published in Nature Microbiology. This research analyzed sequencing data from thousands of healthy individuals to explore the presence, diversity, and potential origins of microbial DNA signatures in human blood.

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Key Highlights:

  • Discover how 117 microbial species were detected in blood after filtering for contaminants.
  • Insights into microbial DNA signatures from commensals associated with the gut, mouth, and genitourinary tract.
  • Understand why no consistent core microbiome was found in blood, suggesting only transient, sporadic microbial presence.
  • Implications for microbiome research, host-microbe interactions, and clinical diagnostics.