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Article

Circadian biology: a 2.5 billion year old clock.

Current biology : CB - 24 Jul 2012

Loudon Andrew S I

Abstract excerpt

A recent study suggests that circadian clocks may have evolved at the time of the Great Oxidation Event 2.5 billion years ago in order to drive detoxification of reactive oxygen species.

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Identifiers

PMID: 22835791
DOI: 10.1016/j.cub.2012.06.023

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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