In this study, the inhibitory ac-tivity of 8 single chain RIPs from Cucurbitaceae and Liliaceae plants in protein synthesis incell-free system and their cytotoxicities to intact cells were compared.

• 结果表明,其中的绝大多数单链毒素在无细胞体系中对蛋白质合成具有强烈的抑制作用,而对完整细胞的毒性很低。