Abstract
EARLY work on the comparative biochemistry and nutrition of the lower Trypanosomatidae revealed that one organism, Crithidia (Strigomonas, Herpetomonas, Leptomonas) oncopelti differed from the other members of the group: C. oncopelti had strikingly simpler nutritional requirements than the other haemoflagellates1. Indeed, C. oncopelti synthesized rather than required haemin1 and appeared to require only four2,3 rather than twelve or more amino-acids as did other members of the family4. These nutritional anomalies have remained unexplained for about twenty-five years.
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References
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GUTTMAN, H., EISENMAN, R. ‘Cure’ of Crithidia (Strigomonas) oncopelti of its Bacterial Endosymbiote. Nature 206, 113–114 (1965). https://doi.org/10.1038/206113a0
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DOI: https://doi.org/10.1038/206113a0
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