CRISPR/Cas9 is a powerful tool for genome editing. We constructed an easy-to-handle expression vector for application in the model organism Phaeodactylum tricornutum and tested its capabilities in order to apply CRISPR/Cas9 technology for our purpose. In our experiments. we targeted two different genes. https://parisnaturalfoodes.shop/product-category/promasil-milk-chocolate/