NK-lysin is a component of natural killer cells and cytotoxic T lymphocytes. and it plays an important role in the innate immune response of aquatic animals against various pathogens. In this study. a 640 base pair full-length cDNA sequence of the NK-lysin gene from black sea bass (Centropristis striata) (CsNKl) was obtained and analyzed. https://jalyttlers.shop/product-category/sink-protector/