🔬 Discovery

Citric acid cycle (Krebs cycle)

Ciclo del ácido cítrico (ciclo de Krebs)

Date
1937 · confidence high
Place
University of Sheffield, England
Credited to
Hans Krebs and William Johnson; Albert Szent-Györgyi (precursors)
People
👤 Albert Szent-Györgyi1893–1986👤 Hans Adolf Krebs1900–1981👤 William Johnson1901–1970
Field
Life & health

What was discovered

A central cyclic pathway in which nutrients are oxidised to CO2, releasing reducing equivalents for cellular respiration. A metabolic hub common to almost all organisms.

Nature rejected the original paper. Nobel Prize 1953.

What it led to

  • metabolic biochemistry
  • understanding of cellular respiration and oxidative phosphorylation
  • inborn errors of metabolism
  • cancer metabolism
🕸️ View in the graph

Built on

Made possible

📄 Original publication

Metabolism of ketonic acids in animal tissuesHans Adolf Krebs, William Arthur Johnson · Biochemical Journal · 1937

Links