{"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 - 2026-03-01","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/bf3f7523\"></iframe>","width":"100%","height":180,"duration":177,"description":"科研喵使用ai读文献，祝你效率百倍，访问labcat.com.cn下载。本期关注发表在《Nucleic acids research》(IF: 16.6)上的重要研究\"U2AF2 controls alternative splicing in speckle-proximal regions in an RS domain-dependent manner\"。这项突破性研究发现剪接因子U2AF2通过其RS结构域在核斑点附近区域调控选择性剪接。研究人员通过邻近标记技术揭示，U2AF2的RS结构域缺失不仅影响其自身定位，还会显著改变全基因组剪接模式，特别是对短内含子侧翼的外显子影响最为显著。更关键的是，研究发现核斑点附近区域的剪接对U2AF2的局部浓度特别敏感，这为理解蛋白质空间分布如何影响基因表达调控提供了全新视角，对研究剪接相关疾病具有重要意义。","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}