Two simple molecules can react to form most of the intermediates in an analog of the modern-day Krebs cycle, without the need for enzymes or metals, according to a new study (Nat. Chem. 2020, DOI: ...

The Krebs cycle, also known as the citric acid cycle, is a series of enzymatic reactions that releases energy from stored carbohydrates, fats, and proteins. The Krebs Cycle was first proposed by Hans ...

Metabolism is a key process in living things that enables fuel to be turned into energy, but its evolutionary origin is a long-standing enigma. Now, a study by US researchers has found a simple ...

A set of biochemical processes crucial to cellular life on Earth could have originated in chemical reactions taking place on the early Earth four billion years ago, believes a group of scientists. A ...