{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"萌喵读文献-生物信息学","title":"今日生物信息学最高分文献 - 2026-04-08","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/799d3e80\"></iframe>","width":"100%","height":180,"duration":64,"description":"科研喵使用AI读文献，祝你效率百倍，访问labcat.com.cn下载。\n\n本期关注发表在影响因子9.4的《Proceedings of the National Academy of Sciences》上的重要研究\"Negative design enables cell-free expression and folding of designed transmembrane β-barrels\"。这项突破性研究利用无细胞表达系统绕过传统膜蛋白设计的细胞毒性限制，发现即使小型理想化的跨膜β-桶也会挑战传统设计方法。研究团队通过\"负设计\"策略，抑制聚集倾向的中间体，显著改善了膜蛋白的组装效率。令人惊讶的是，通常被认为破坏性的脯氨酸或极性氨基酸在特定位置反而能促进折叠和组装。这一发现为未来膜蛋白和纳米孔设计提供了全新框架，有望推动合成生物学和药物递送系统的革命性进展。","thumbnail_url":"https://img.transistorcdn.com/38WU46uKrju37cyiLrKcVSktFL4vxBb_oTgbpM_2CRw/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS8zOGU2/ZmEyYWE0MDZkNGFj/NWMzNGY5ZmU4YTk0/ZTBlNS5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}