Fig. 1

HPLC chromatogram (Venusil MP C18 column) of different crude glycolipids fermented by wild-type strain Sb and recombinant strain SbrhlAB. A, B Glycolipids fermented by Sb and SbrhlAB on rhamnose and rapeseed oil, respectively. C, D Glycolipids fermented by Sb and SbrhlAB on rapeseed oil, respectively