Abstract
DURING a study of a diphtheroid bacterium (not yet identified, but temporarily labelled Q) it has been found that the slight growth on nutrient agar can be abolished by adding 0·2 per cent charcoal to the agar. Growth on charcoal-agar could be restored by adding excess of oleic, linoleic or linolenic acids. Experiments in synthetic media showed that the organism requires these unsaturated fatty acids as growth factors.
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POLLOCK, M. Unsaturated Fatty Acids in Cotton Wool Plugs. Nature 161, 853 (1948). https://doi.org/10.1038/161853a0
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DOI: https://doi.org/10.1038/161853a0
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