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Rallying Resources Around DNA Repair Research

When it comes to unlocking the secrets of DNA repair, Yale Cancer Center has an armamentarium at work. In the last two years, Yale’s team has made significant advances in targeting the BRCA-dependent DNA repair axis for cancer therapy and determined that both BRCA1 and BRCA2 protein are involved in DNA repair, but they have fundamentally different mechanisms.

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  • A DNA-origami NanoTrap for studying the diffusion barriers

    DNA nanotechnology provides a versatile and powerful tool to dissect the structure-function relationship of biomolecular machines like the nuclear pore complex (NPC), an enormous protein assembly that controls molecular traffic between the nucleus and cytoplasm. To understand how the intrinsically disordered, Phe-Gly-rich nucleoporins (FG-nups) within the NPC’s central transport channel impede the diffusion of macromolecules, Yale researchers built a DNA-origami NanoTrap. The NanoTrap comprises precisely arranged FG-nups in an NPC-like channel, which sits on a baseplate that captures macromolecules that pass through the FG network. The DNA-origami based nuclear pore mimics can now trap molecules and test how FG-nups form diffusion barriers within nanopore confinement. Published in the BioRxiv, Qi Shen leading the collaboration with Chenxiang Lin (Cell Biology & Nanobiology Institute) and Patrick Lusk (Cell Biology).

    Source: BioRxiv
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  • The LusKing lab discovers role for phosphatidic acid in nuclear envelope surveillance

    Small holes in the nuclear membranes lead to the recruitment of the endosomal sorting complexes required for transport (ESCRT), which seal the holes and protect the integrity of the nucleus. New work from the LusKing group has discovered that a key element of this surveillance pathway is the directly binding of a key nuclear envelope ESCRT, Chm7 to phosphatidic acid rich membranes.

    Source: BioRxiv
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  • Two From Yale Are Named Allen Distinguished Investigators

    Megan C. King, PhD, associate professor of cell biology and of molecular, cellular and developmental biology, and Simon Mochrie, PhD, professor of physics and of applied physics, have been named Allen Distinguished Investigators by The Paul G. Allen Frontiers Group, a division of the Allen Institute.

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  • In the right (lab) culture, mentorship flourishes — and science benefits

    You might imagine a science lab looking a bit sterile and impersonal — little sunlight, masked figures in white coats pouring neon-colored liquid into beakers, all business. You might not expect to hear a science lab referred to as familial, where badminton tournaments, movie nights and barbeques are commonplace.

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  • David Thaller wins the Porter Prize for Research Excellence

    ASCB’s Award Selection Committee has chosen Meng-meng Fu, a postdoctoral fellow at Stanford University, and David Thaller, a PhD candidate from the Lusk lab at Yale University, as the 2019 winners of the Porter Prizes for Research Excellence.

    Source: The American Society for Cell Biology
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