<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A yeast glycolipid biosurfactant with potential antineoplastic activity. Mannosylerythritol lipid activates protein kinase signal cascades, resulting in cell differentiation, condensation of chromatin, DNA fragmentation, G1 phase cell-cycle arrest, and apoptosis of tumor cells. (NCI04)</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>