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Marin Barisic

As seen in: Nature, Cell Press
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Articles

Condensin I but not Condensin II is crucial for mitotic chromosome mechanics

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By Christian Nielsen, Hannes Witt, Andrea Ridolfi, Bas Kempers, Justine Sitz, Marin Barisic, Gijs J. L. Wuite, Ian D. Hickson, Emma M. J. Chameau, Stijn van der Smagt, Erwin J. G. Peterman
| Nature Verified
Abstract During mitotic cell division, pliable interphase chromatin is transformed into stiff mitotic chromosomes able to withstand the pushing and pulling forces of the mitotic spindle. How the cell establishes this chromosome stiffness and the cellular consequences if this stiffness is disrupted, is unclear. Condensin complexes drive many of the structural changes in mitotic chromosomes.
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Proximity-based activation of AURORA A by MPS1 potentiates error correction

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By Nelson Leca, Francisca Alcina Barbosa, Sergi Rodriguez-Calado, Arianna Esposito Verza, Margarida M. Moura, Paulo Pedroso Verified, Inés Pinto, Elena Artes, Tanja Bange, Claudio Sunkel, Marin Barisic, Carlos Conde Verified, Thomas J. Maresca
| Cell Press Verified
Keywords MPS1 AURORA A mitosis error correction cell division kinetochore centrosome Get full text access Log in, subscribe or purchase for full access. References 1. Biggins, S. ∙ Severin, F.F. ∙ Bhalla, N. ... The conserved protein kinase Ipl1 regulates microtubule binding to kinetochores in budding yeast Genes Dev. 1999; 13:532-544 2. Tanaka, T.U. ∙ Rachidi, N. ∙ Janke, C. ...
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Kinetochore- and chromosome-driven transition of microtubules into bundles promotes spindle assembly - Nature Communications

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By Marin Barisic, Nenad Pavin
| Nature Verified
Abstract Mitotic spindle assembly is crucial for chromosome segregation and relies on bundles of microtubules that extend from the poles and overlap in the middle. However, how these structures form remains poorly understood. Here we show that overlap bundles arise through a network-to-bundles transition driven by kinetochores and chromosomes. STED super-resolution microscopy reveals that PRC1-crosslinked microtubules initially form loose arrays, which become rearranged into bundles.
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