Porphyrins and phycobilins in Precambrian rocks

Physics

Scientific paper

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Scientific paper

Samples of Precambrian rocks (1.7 2.6 billion years, U.S.S.R.) contain metalloporphyrins and linear tetrapyrrole pigment similar to phycobilin 655 from modern blue-green algae Microcystis (according to data of phosphorescence spectroscopy). The detection of ancient phycobilin makes it possible to relate the data on pigment paleobiochemistry with the evolution of photosynthetic system.

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