Ref ID : 882
W.E. Hieb and Morton Rothstein; Sterol requirement for reproduction of a free-living nematode. Science 160(8):778-780, 1968
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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.