Arbutin, a glycoside, is derived from the leaves of several plants, including wheat, pear, and bearberry plants and has a significant role in the treatment of melanoma, cystitis, and cough. Here, we aimed to modify Yarrowia lipolytica to produce arbutin. To construct the arbutin synthetic pathway in
Blaps rynchopetera Fairmaire has long been used as a folk medicine by the Yi and Bai ethnic groups in China to treat fever, cough, gastritis, boils, and tumors. In the present study, the cytotoxicity of the defensive secretion (TDS) of B. rynchopetera against AGS Caco-2, HepG2 U251 and Bel-7402 was