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  1. Article

    Open Access

    Analysis of Vibrio cholerae genomes identifies new type VI secretion system gene clusters

    Like many bacteria, Vibrio cholerae deploys a harpoon-like type VI secretion system (T6SS) to compete against other microbes in environmental and host settings. The T6SS punctures adjacent cells and delivers toxi...

    Cristian V. Crisan, Aroon T. Chande, Kenneth Williams, Vishnu Raghuram in Genome Biology (2019)

  2. No Access

    Article

    Thermal vestige of the zero-temperature jamming transition

    When the packing fraction is increased sufficiently, loose particulates jam to form a rigid solid in which the constituents are no longer free to move. In typical granular materials and foams, the thermal ener...

    Zexin Zhang, Ning Xu, Daniel T. N. Chen, Peter Yunker, Ahmed M. Alsayed in Nature (2009)

  3. No Access

    Article

    Geometric frustration in buckled colloidal monolayers

    Geometric frustration arises when lattice structure prevents simultaneous minimization of local interaction energies. It leads to highly degenerate ground states and, subsequently, to complex phases of matter,...

    Yilong Han, Yair Shokef, Ahmed M. Alsayed, Peter Yunker, Tom C. Lubensky in Nature (2008)