R. E. Goldstein

Stochastic Voronoi Tessellations as Models for Cellular Neighborhoods in Simple Multicellular Organisms

The paper models cellular neighborhood volumes in Volvox using stochastic Voronoi tessellations and shows they follow gamma distributions due to intrinsic biological noise.

The Architecture of Sponge Choanocyte Chambers Maximizes Mechanical Pumping Efficiency

The paper investigates the mechanical pumping efficiency of sponge choanocyte chambers by combining imaging and computational models, finding that their spherical shape and outlet angle optimize flow.

Biophysical Fluid Dynamics in a Petri Dish

The paper examines fluid dynamics in a Petri dish, analyzing flow fields from Stokes flow singularities and their behavior under boundary conditions.

Anti-Diffusion in an Algae-Bacteria Microcosm: Photosynthesis, Chemotaxis, and Expulsion

The paper studies a microcosm of algae and bacteria, showing that bacterial chemotaxis to oxygen causes algae expulsion from illuminated regions.

How do Cicadas Emerge Together? Thermophysical Aspects of Their Collective Decision-Making

The paper models how cicadas synchronize emergence using a statistical physics approach, showing how communication and thermal cues lead to collective swarming behavior.

Swimming, Feeding and Inversion of Multicellular Choanoflagellate Sheets

This study develops fluid dynamical and mechanical models to explain the swimming, feeding, and inversion of multicellular choanoflagellate sheets of Choanoeca flexa.

Adaptive phototaxis of Chlamydomonas and the evolutionary transition to multicellularity in Volvocine green algae

This study shows that the adaptive phototaxis in Chlamydomonas is tuned to its rotational period, suggesting a unified mechanism for phototaxis across Volvocine green algae.

Stabilization of Microbial Communities by Responsive Phenotypic Switching

This paper shows that responsive phenotypic switching in microbial communities can stabilize coexistence, differing from stochastic switching, using two-species models and simulations.

Biofilm Growth Under Elastic Confinement

This paper studies biofilm growth under elastic confinement, finding a finite maximum radius governed by matrix stiffness, confirmed by experiments on Bacillus subtilis.

Cellular organization in lab-evolved and extant multicellular species obeys a maximum entropy law

The paper quantifies cell packing in two multicellular organisms and finds that free space around cells follows a gamma distribution, suggesting an entropic principle underlying multicellular organization.

Fluid mechanics of mosaic ciliated tissues

The paper studies fluid transport in mosaic ciliated tissues, finding that hydrodynamic interactions limit work efficiency and optimal shearing occurs at low area coverage.

Turing's diffusive threshold in random reaction-diffusion systems

The paper investigates whether the diffusive threshold for Turing instabilities decreases with more than two diffusing species, finding it becomes more likely to be physical as the number of species increases.

The fluid dynamics of collective vortex structures of plant-animal worms

The paper studies the fluid dynamics of circular milling behavior in Symsagittifera roscoffensis worms, showing that a rigid rotating disc model captures experimental results and explains flow patterns.

Direct Measurement of Unsteady Microscale Stokes Flow Using Optically Driven Microspheres

The paper directly measures unsteady microscale Stokes flow by tracking tracer particles around an oscillating particle, revealing phase lag and flow patterns consistent with theoretical predictions.

Swirling Instability of the Microtubule Cytoskeleton

The paper investigates the swirling instability of the microtubule cytoskeleton in cytoplasmic streaming, showing that fluid-structure interactions drive a transition from disordered to ordered vortical flow.

Stress-Induced Dinoflagellate Bioluminescence at the Single Cell Level

The paper measures stress-induced bioluminescence in dinoflagellates at the single-cell level, finding a viscoelastic response linked to stretch-activated ion channels.

Motility and Phototaxis of Gonium, the Simplest Differentiated Colonial Alga

This study investigates how Gonium achieves phototaxis through a combination of experimental, theoretical, and computational approaches, revealing that peripheral cells alone drive colony reorientation.

Nonlinear and Nonlocal Elasticity in Coarse-Grained Differential-Tension Models of Epithelia

This study derives a continuum theory for a differential-tension model of epithelia and shows how cell-level properties lead to linear, nonlinear, and nonlocal elastic behavior under compression.

Mutualism between microbial populations in structured environments: the role of geometry in diffusive exchanges

The paper models how geometric structure affects diffusive exchanges in microbial mutualisms, showing counterintuitive dependencies on diffusion geometry in a synthetic algal-bacterial co-culture.

Localised Dynactin Protects Growing Microtubules To Deliver Oskar mRNA To The Posterior Cortex Of The Drosophila Oocyte

The paper shows that Dynactin protects microtubule growth to deliver oskar mRNA to the posterior cortex of the Drosophila oocyte.