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  1. Manu Prakash says:

    That’s incredibly beautiful. I have seen many green cynobacteria; but the red pigment is a first for me.

    Fantastic work – now I am very curious if all the photosynthetic pigments are present in certain cynobacteria species.

    Cheers
    Manu

    1. piyarc8 says:

      Thank you. These are Oscillatoria filaments which turned red due to production of excess phycoerythrin under stressed condition (polluted water).

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