Dynamics of a stiff biopolymer in an actively contractile background: buckling, stiffening and negative dissipation
نویسندگان
چکیده
Norio Kikuchi, Allen Ehrlicher, Daniel Koch, Josef A. Käs, Sriram Ramaswamy and Madan Rao Centre for Condensed Matter Theory, Department of Physics, Indian Institute of Science, Bangalore 560 012, India Translational Medicine, Brigham and Women’s Hospital, Harvard Medical School, One Blackfan Circle, Karp 6, Boston, MA 02115, USA Institute of Soft Matter Physics, Universität Leipzig, Linnéstraße 5, 04103 Leipzig, Germany Condensed Matter Theory Unit, Jawaharlal Nehru Center for Advanced Scientfic Research, Bangalore 560 064, India Raman Research Institute, C.V. Raman Avenue, Bangalore 560 080, India National Centre for Biological Sciences (TIFR), Bellary Road, Bangalore 560 065, India
منابع مشابه
Buckling, stiffening, and negative dissipation in the dynamics of a biopolymer in an active medium.
We present a generic theory for the dynamics of a stiff filament under tension, in an active medium with orientational correlations, such as a microtubule in contractile actin. In sharp contrast to the case of a passive medium, we find the filament can stiffen, and possibly oscillate or buckle, depending on both the contractile or tensile nature of the activity and the filament-medium anchoring...
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