Abstract
CLADOCERA are often coloured red by hæmoglobin in their blood1; another red pigment has been found in specimens infected by Spirobacillus cienkowskii which Metchnikoff2 described from Daphnia magna Straus. The bacterium passes through a series of stages within the cladoceran and causes it to assume a bright red colour.
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References
Fox, H. M., Nature, 164, 59 (1949).
Metchnikoff, E., Bull. Inst. Pasteur., 3, 61 (1889).
Goodwin, T. W., “The Comparative Biochemistry of the Carotenoids”, 120 (London, 1952).
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GREEN, J. Carotenoid Pigment in Spirobacillus cienkowskii Metchnikoff, a Pathogen of Cladocera. Nature 183, 56–57 (1959). https://doi.org/10.1038/183056a0
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DOI: https://doi.org/10.1038/183056a0
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