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QnAs with Susan L. Lindquist

机译:Qnasi与Susan L.Lindquist

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摘要

Prions defy molecular biology's central dogma. Misfolded proteins that self-perpetuate, prions were first isolated in the early 1980s as the cause of a fatal sheep disease called scrapie. Since then, prions have been implicated in human neurodegenerative diseases, composing a rogue's gallery of deadly disease agents. Susan Lindquist, a member of the National Academy of Sciences and a professor of biology at the Massachusetts Institute of Technology's Whitehead Institute for Biomedical Research, has found that prions may have a little-appreciated positive side. Lindquist casts these seeming biochemical misfits in a surprising evolutionary role: Her studies have revealed that prions might help cells adapt to a host of environmental pressures. Lindquist explains this still-contentious idea to PNAS readers.
机译:ions病毒无视分子生物学的中心教条。自延性self蛋白错误折叠的蛋白质在1980年代初首次分离出来,是致命的绵羊疾病,称为瘙痒病的病因。从那时起,病毒就与人类神经退行性疾病有关,构成了致命疾病的无赖画廊。美国国家科学院院士,麻省理工学院怀特黑德生物医学研究所生物学教授苏珊·林德奎斯特(Susan Lindquist)发现病毒可能具有一点被赞赏的积极方面。林德奎斯特(Lindquist)将这些看似生化的不当现象以令人惊讶的进化作用进行了投射:她的研究表明病毒可能有助于细胞适应多种环境压力。 Lindquist向PNAS读者解释了这个仍然有争议的想法。

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