337 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The structural basis of the multi-step allosteric activation of Aurora B kinase

    Dario Segura-Peña, Oda Hovet ... Nikolina Sekulic
    An entropy switch controls the Aurora B autoactivation process through two distinct kinetic steps of phosphorylation.
    1. Cell Biology
    2. Computational and Systems Biology

    Bistability of a coupled Aurora B kinase-phosphatase system in cell division

    Anatoly V Zaytsev, Dario Segura-Peña ... Ekaterina L Grishchuk
    Self-activating Aurora B kinase, opposed by an inhibitory phosphatase, forms spatial phosphorylation patterns during cell division.
    1. Cell Biology

    Spatiotemporal control of mitotic exit during anaphase by an aurora B-Cdk1 crosstalk

    Olga Afonso, Colleen M Castellani ... Helder Maiato
    Quantitative live-cell microscopy and molecular perturbations in Drosophila and human cells reveal a crosstalk between molecular 'rulers' (Aurora B) and 'clocks' (Cdk1) that coordinates mitotic exit in space and time.
    1. Cell Biology

    Measuring NDC80 binding reveals the molecular basis of tension-dependent kinetochore-microtubule attachments

    Tae Yeon Yoo, Jeong-Mo Choi ... Daniel J Needleman
    Quantitative experiments and theory show that the tension-dependent regulation of NDC80 binding to kinetochore microtubules arises from a combination of the changing Aurora B concentration at NDC80 and the nonlinearity of Aurora B autoactivation.
    1. Cell Biology

    Mitotic progression, arrest, exit or death relies on centromere structural integrity, rather than de novo transcription

    Marco Novais-Cruz, Maria Alba Abad ... Cristina Ferrás
    Direct live-cell imaging of human cells, combined with RNA-seq, qPCR and in vitro reconstitution essays, reveal that mitotic progression, arrest, exit or death is independent of de novo transcription.
    1. Cell Biology

    chTOG is a conserved mitotic error correction factor

    Jacob A Herman, Matthew P Miller, Sue Biggins
    The conserved chTOG protein is required to destabilize incorrect kinetochore-microtubule attachments.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Aurkb/PP1-mediated resetting of Oct4 during the cell cycle determines the identity of embryonic stem cells

    Jihoon Shin, Tae Wan Kim ... Hong-Duk Youn
    The regulation of the core transcription factor Oct4 by the Aurkb-PP1 axis links the cell cycle to pluripotency programs in embryonic stem cells.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Shugoshin biases chromosomes for biorientation through condensin recruitment to the pericentromere

    Kitty F Verzijlbergen, Olga O Nerusheva ... Adele L Marston
    Shugoshin proteins help to align chromosomes so that copies of the same chromosome attach to microtubules from opposite poles during cell division.
    1. Cell Biology

    Dynamic localization of the chromosomal passenger complex in trypanosomes is controlled by the orphan kinesins KIN-A and KIN-B

    Daniel Ballmer, Bungo Akiyoshi
    The kinetoplastid parasite Trypanosoma brucei employs a unique mechanism to target the conserved Aurora B kinase to kinetochores and the central spindle.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular mechanism of Aurora A kinase autophosphorylation and its allosteric activation by TPX2

    Adelajda Zorba, Vanessa Buosi ... Dorothee Kern
    Aurora A kinase, an anti-cancer drug target, can be activated by two independent mechanisms.

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