| abstract |
The invention relates to an isolated, genetically modified, living non-mammal organism, having increased HMG-CoA-reductase activity compared to the wild type, and having reduced C24-methyltransferase and/or delta22-desaturase activity compared to the wild type. The invention is characterized in that the organism has increased dehydrocholesterol-delta70-reductase activity compared to the wild type. The invention further relates to different uses of such an organism, to a test kit comprising such an organism, and to a membrane extract of such an organism. |