Results 11 to 20 of about 245,930 (217)

Global boundedness to a 3D chemotaxis-Stokes system with porous medium cell diffusion and general sensitivity

open access: yesAdvances in Nonlinear Analysis, 2022
In this article, we will develop an analytical approach to construct the global bounded weak solutions to the initial-boundary value problem of a three-dimensional chemotaxis-Stokes system with porous medium cell diffusion Δnm\Delta {n}^{m} for m≥6563m ...
Tian Yu, Xiang Zhaoyin
doaj   +1 more source

Rhizobial Chemoattractants, the Taste and Preferences of Legume Symbionts

open access: yesFrontiers in Plant Science, 2021
The development of host-microbe interactions between legumes and their cognate rhizobia requires localization of the bacteria to productive sites of initiation on the plant roots.
K. Karl Compton, Birgit E. Scharf
doaj   +1 more source

Boundedness of Solutions to a Parabolic-Elliptic Keller–Segel Equation in ℝ2 with Critical Mass

open access: yesAdvanced Nonlinear Studies, 2018
We consider the Cauchy problem for a parabolic-elliptic system in ℝ2{\mathbb{R}^{2}}, called the parabolic-elliptic Keller–Segel equation, which appears in various fields in biology and physics.
Nagai Toshitaka, Yamada Tetsuya
doaj   +1 more source

The Hypoxia-Associated Localization of Chemotaxis Protein CheZ in Azorhizorbium caulinodans

open access: yesFrontiers in Microbiology, 2021
Spatial organization of chemotactic proteins is important for cooperative response to external stimuli. However, factors affecting the localization dynamics of chemotaxis proteins are less studied.
Xiaolin Liu   +8 more
doaj   +1 more source

Diffusion-Chemotaxis Model of Effects of Cortisol on Immune Response to Human Immunodeficiency virus

open access: yesNonlinear Engineering, 2018
In quest to contain and subsequently eradication Human Immunodeficiency virus (HIV) in the society, mathematical modelling remains an important research tool.
Samuel Shikaa, Gill Vinod
doaj   +1 more source

Pulse Dynamics in a Bistable Reaction-Diffusion System with Chemotaxis

open access: yesAdvances in Mathematical Physics, 2022
We consider pulse dynamics in a bistable reaction-diffusion system with chemotaxis. We derive the ordinary differential equation of interfaces by applying the multiple scales method to the reaction-diffusion system for examining the effect of the ...
Satoshi Kawaguchi
doaj   +1 more source

A Chemotaxis-Based Model for the Aggregation Behavior of Students

open access: yesAxioms
Understanding the aggregation behavior of high-achieving student groups is critical for optimizing educational resource allocation and upgrading institutional talent development systems. To address the prevailing gap in dynamic modeling for this specific
Jieqiong Shen
doaj   +1 more source

Motion of a Spot in a Reaction Diffusion System under the Influence of Chemotaxis

open access: yesAdvances in Mathematical Physics, 2018
We consider the motion of a spot under the influence of chemotaxis. We propose a two-component reaction diffusion system with a global coupling term and a Keller-Segel type chemotaxis term. For the system, we derive the equation of motion of the spot and
Satoshi Kawaguchi
doaj   +1 more source

Atypical chemoreceptor arrays accommodate high membrane curvature

open access: yesNature Communications, 2020
The main components of the prokaryotic chemotaxis system, chemoreceptors, organize into a hexagonal (P6 symmetry) extended array. Here authors use cryo-ET and report an alternative symmetry (P2) of the chemotaxis apparatus that emerges from a strict ...
Alise R. Muok   +8 more
doaj   +1 more source

An agarose spot assay for chemotactic invasion

open access: yesBioTechniques, 2010
The directed motility of cells toward the source of a soluble chemical (chemotaxis) plays a role in events ranging from immune function to cancer progression.
Helen L. Wiggins, Joshua Z. Rappoport
doaj   +1 more source

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