Emergent programmable behavior and chaos in dynamically driven active filaments

D Krishnamurthy, M Prakash - Proceedings of the National …, 2023 - National Acad Sciences
How the behavior of cells emerges from their constituent subcellular biochemical and
physical parts is an outstanding challenge at the intersection of biology and physics. A …

Synchronized oscillations, traveling waves, and jammed clusters induced by steric interactions in active filament arrays

R Chelakkot, MF Hagan, A Gopinath - Soft matter, 2021 - pubs.rsc.org
Autonomous active, elastic filaments that interact with each other to achieve cooperation and
synchrony underlie many critical functions in biology. The mechanisms underlying this …

Effects of inertia on conformation and dynamics of tangentially driven active filaments

M Fazelzadeh, E Irani, Z Mokhtari, S Jabbari-Farouji - Physical Review E, 2023 - APS
Active filamentlike systems propelling along their backbone exist across scales ranging from
motor-driven biofilaments to worms and robotic chains. In macroscopic active filaments such …

[HTML][HTML] Ambient fluid rheology modulates oscillatory instabilities in filament-motor systems

J Tamayo, A Mishra, A Gopinath - Frontiers in Physics, 2022 - frontiersin.org
Semi-flexible filaments interacting with molecular motors and immersed in rheologically
complex and viscoelastic media constitute a common motif in biology. Synthetic mimics of …

Internal friction controls active ciliary oscillations near the instability threshold

D Mondal, R Adhikari, P Sharma - Science advances, 2020 - science.org
Ciliary oscillations driven by molecular motors cause fluid motion at micron scale. Stable
oscillations require a substantial source of dissipation to balance the energy input of motors …

Emergence of behaviour in a self-organized living matter network

P Fleig, M Kramar, M Wilczek, K Alim - Elife, 2022 - elifesciences.org
What is the origin of behaviour? Although typically associated with a nervous system, simple
organisms also show complex behaviours. Among them, the slime mold Physarum …

Ciliary flocking and emergent instabilities enable collective agility in a non-neuromuscular animal

MS Bull, VN Prakash, M Prakash - arXiv preprint arXiv:2107.02934, 2021 - arxiv.org
Effective organismal behavior responds appropriately to changes in the surrounding
environment. Attaining this delicate balance of sensitivity and stability is a hallmark of the …

[HTML][HTML] Spindles and active vortices in a model of confined filament-motor mixtures

DA Head, WJ Briels, G Gompper - BMC biophysics, 2011 - Springer
Background Robust self-organization of subcellular structures is a key principle governing
the dynamics and evolution of cellular life. In fission yeast cells undergoing division, the …

[HTML][HTML] Hydrodynamic instabilities provide a generic route to spontaneous biomimetic oscillations in chemomechanically active filaments

A Laskar, R Singh, S Ghose, G Jayaraman… - Scientific reports, 2013 - nature.com
Non-equilibrium processes which convert chemical energy into mechanical motion enable
the motility of organisms. Bundles of inextensible filaments driven by energy transduction of …

Buckling instabilities and spatio-temporal dynamics of active elastic filaments

Y Fily, P Subramanian… - Journal of the …, 2020 - royalsocietypublishing.org
Biological filaments driven by molecular motors tend to experience tangential propulsive
forces also known as active follower forces. When such a filament encounters an obstacle, it …