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peptidoglycan

·April 20, 2026·9 min read

The Molecular Code Behind Gut-Brain Communication

Neuroscientists have identified the specific bacterial sugars that trigger neurons in the gut to communicate with the brain, providing a mechanical explanation for the gut-brain axis.

This shows a person sleeping and a brain.

Featured Neuroscience

·September 24, 2025·6 min read

Gut Microbes May Hold the Hidden Key to Why We Sleep

A new study shows that bacterial cell wall molecules, specifically peptidoglycan, are present in the brain and fluctuate with sleep cycles. This finding supports a hypothesis that sleep is not solely brain-regulated but arises from the interplay between the body and its microbiome.

Featured Neurology Neuroscience Open Neuroscience Articles Pain

·May 13, 2021·6 min read

Missing Piece of the Lyme Disease Puzzle Identified

NapA, a protein associated with the peptidoglycan of Borrelia burgdorferi, plays an amplifying role in causing inflammation in Lyme disease associated arthritis.