High level lipid production by a novel inulinase-producing yeast Pichia guilliermondii Pcla22

► The inulinase-producing yeast strain Pcla22 of Pichia guilliermondii was obtained. ► Lipid content in the yeast cells cultivated a flask reached 55.2%. ► 60.6% of lipid was obtained after the fed-batch fermentation. ► Many lipid bodies were produced in the yeast cells.