Sterol Requirement for Reproduction of a Free-Living Nematode

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Science  17 May 1968:
Vol. 160, Issue 3829, pp. 778-780
DOI: 10.1126/science.160.3829.778


The free-living, hermaphroditic nematode Caenorhabditis briggsae has a nutritional requirement for sterols. It will reproduce indefinitely in a liquid medium containing only bacterial cells (Escherichia coli) and salts if various sterols are present. Several other lipid-soluble materials are ineffective in supporting reproduction.

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