Ben O'Shaughnessy

Chemical Engineering Columbia University, New York, NY 
General Biophysics, Cell Biology
"Ben O'Shaughnessy"


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Samuel Frederick Edwards grad student 1984 Cambridge (Physics Tree)
 (Studies of Polymer Motion in a Viscoelastic Medium.)


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Dimitrios Vavylonis grad student (Physics Tree)
Erdem Karatekin grad student 1999 Columbia (Chemistry Tree)
Jaeup Kim grad student 2005 Columbia
Jason M. Warner grad student 2010 Columbia
Matthew R. Stachowiak grad student 2011 Columbia


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Joerg Nikolaus collaborator (Neurotree)
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McDargh Z, Zhu T, Zhu H, et al. (2022) Actin turnover protects the cytokinetic contractile ring from structural instability. Journal of Cell Science
Wu Z, Dharan N, McDargh ZA, et al. (2021) The neuronal calcium sensor Synaptotagmin-1 and SNARE proteins cooperate to dilate fusion pores. Elife. 10
Dharan N, Thiyagarajan S, Wu Z, et al. (2020) Fusion Pores Are Cooperatively Dilated by the Neuronal Calcium Sensor Syt1 and SNARE Proteins in a Mechanical Lever Action Biophysical Journal. 118
Thiyagarajan S, McDargh ZA, Wang S, et al. (2020) Contractile Ring Constriction and Cell Wall Growth are Regulated by Mechanical Feedback and Destabilized by Mutations in Fission Yeast Biophysical Journal. 118: 440a
Alonso-Matilla R, Thiyagarajan S, O'Shaughnessy B. (2020) Sliding Filament and Fixed Filament Mechanisms Contribute to Tension of the Fission Yeast Cytokinetic Ring Biophysical Journal. 118: 438a
Warner JM, An D, Stratton BS, et al. (2020) Cationic Cell-Penetrating Peptides Traverse Membranes through Lysis or Direct Translocation Pathways Biophysical Journal. 118: 399a
Alonso-Matilla R, Thiyagarajan S, O'Shaughnessy B. (2019) Sliding filament and fixed filament mechanisms contribute to ring tension in the cytokinetic contractile ring. Cytoskeleton (Hoboken, N.J.)
Wang S, O'Shaughnessy B. (2019) Anchoring of actin to the plasma membrane enables tension production in the fission yeast cytokinetic ring. Molecular Biology of the Cell. mbcE19030173
Pollard TD, O'Shaughnessy B. (2019) Molecular Mechanism of Cytokinesis. Annual Review of Biochemistry
McDargh ZA, Polley A, O'Shaughnessy B. (2019) Three Stages of Neurotransmitter Release: Ca-Triggered Unclamping, SNARE Ring Assembly and Snare-Mediated Membrane Fusion Biophysical Journal. 116: 528a
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