Rhythmic protein condensation in the circadian regulation of glycogen metabolism

May 1, 2026iScience

Daily cycles of protein clumping linked to the body’s clock control of sugar storage

AI simplified

Abstract

Glycogen synthase enzyme (GlgA) exhibits rhythmic condensation patterns in cyanobacteria.

  • Circadian rhythms influence glycogen storage and metabolism in cyanobacteria.
  • Condensed foci of GlgA appear during morning hours, inhibiting glycogen synthesis.
  • Glycogen synthesis is coordinated with energy demand, peaking at dusk.
  • The condensation of GlgA is regulated by the circadian clock, not by glycogen levels in the cell.
  • These findings suggest a model where circadian control affects glycogen metabolism through enzyme spatial organization.

AI simplified

Full Text

Full text is available at the source.

what lands in your inbox each week:

  • 📚7 fresh studies
  • 📝plain-language summaries
  • direct links to original studies
  • 🏅top journal indicators
  • 📅weekly delivery
  • 🧘‍♂️always free