Any of a group of blue photosynthetic pigments present in cyanobacteria.
- Aberystwyth researchers hypothesize that evolution has selected for low-histidine and trypotophan content in phycocyanins to reduce electron-transport interference.
- Sea-dwelling cyanobacteria get their name from the bluish pigment, phycocyanin, which they use to capture light during photosynthesis.
- These blue-green, one-celled microalgae are rich in carotenoids, including phycocyanin, the pigment that's responsible for spirulina's blue-green tint.
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