众所用知,青蛙是庄稼的“卫士”。然而,美国“儿童健康和人类发展”国立研究所的研究人员米盖尔·查斯勒夫(M.Zasloff)博士近来发现,青蛙的作用不单是“吃害虫”,在它的体内还含有多种尚未被人认知的抗菌肽。这些肽类物质,可杀死引起人类疾病的许多细菌、霉菌和原生动物。抗菌肽的发现,说起来倒真有点戏剧性,它是查斯勒夫博士在进行多细胞有机体的 As the public knows, frogs are the “guardians” of crops. However, Dr. M. Zasloff, a researcher at the National Institute for Child Health and Human Development in the United States, recently discovered that the role of the frog is not only to eat pests but also to contain many An antimicrobial peptide that has not yet been recognized. These peptides kill many bacteria, molds and protozoa that cause human diseases. The discovery of antibacterial peptides is actually a bit dramatic. It is Dr. Chaslev who is conducting multicellular organisms.