三维结构关键词检索结果

新的毒素会损害肠道露出

New toxin that damages the gut revealed

La Trobe University的科学家发现,腹泻的细菌菌株如何使用“分子剪刀”来切开和破坏肠道细胞,从而导致严重的疾病,有时甚至死亡。该研究发表在肠道微生物上,首次揭示了由肠发育大肠杆菌(EPEC)细菌分泌的毒素的三维结构,并展示了细菌如何使用毒素侵入和破坏肠道的上皮细胞。

[古生物学•2025] Duonychus tsogtbaatari•Didactyl therizinosaur(Coelurosauria:Therizinosauridae),带有蒙古晚白垩纪

[Paleontology • 2025] Duonychus tsogtbaatari • Didactyl therizinosaur (Coelurosauria: Therizinosauridae) with a preserved keratinous claw from the Late Cretaceous of Mongolia

Duonychus tsogtbaatarikobayashi,Zelenitsky,Fiorillo&Chinzorig,2025 www.cell.com/iscience/iscience/fulltext/fulltext/s2589-0042(25)00401-8:00401-8 didactyl therizinosaur, possessing only two manual digits• A keratinous sheath on digit I provides rare insight into theropod claw structure• Duonychus re