Results 31 to 40 of about 328,071 (298)

The Novel Protein Cj0371 Inhibits Chemotaxis of Campylobacter jejuni

open access: yesFrontiers in Microbiology, 2018
cj0371 is a novel gene that is associated with Campylobacter jejuni virulence, and an isogenic mutant of cj0371 showed hyper chemotaxis and motility. Chemotactic motility is an important virulence factor and is involved in C.
Xueqing Du   +5 more
doaj   +1 more source

Heterotrimeric G Protein–RasGAP Coupling Drives Adaptation During Chemotaxis

open access: yesCells
Chemotaxis enables eukaryotic cells to detect and migrate along extracellular chemoattractant gradients spanning several orders of magnitude. This remarkable dynamic range relies on adaptation, a process that allows cells to reset their signaling ...
Xuehua Xu   +4 more
doaj   +1 more source

Fractional chemotaxis diffusion equations [PDF]

open access: yes, 2010
We introduce mesoscopic and macroscopic model equations of chemotaxis with anomalous subdiffusion for modeling chemically directed transport of biological organisms in changing chemical environments with diffusion hindered by traps or macromolecular ...
Henry, B. I., Langlands, T. A. M.
core   +1 more source

A minimal model of metabolism-based chemotaxis. [PDF]

open access: yesPLoS Computational Biology, 2010
Since the pioneering work by Julius Adler in the 1960's, bacterial chemotaxis has been predominantly studied as metabolism-independent. All available simulation models of bacterial chemotaxis endorse this assumption.
Matthew D Egbert   +2 more
doaj   +1 more source

Eukaryotic chemotaxis [PDF]

open access: yesWIREs Systems Biology and Medicine, 2009
AbstractDuring eukaryotic chemotaxis, external chemical gradients guide the crawling motion of cells. This process plays an important role in a large variety of biological systems and has wide ranging medical implications. New experimental techniques including confocal microscopy and microfluidics have advanced our understanding of chemotaxis while ...
Wouter-Jan, Rappel, William F, Loomis
openaire   +2 more sources

Different migration patterns of sea urchin and mouse sperm revealed by a microfluidic chemotaxis device. [PDF]

open access: yesPLoS ONE, 2013
Chemotaxis refers to a process whereby cells move up or down a chemical gradient. Sperm chemotaxis is known to be a strategy exploited by marine invertebrates such as sea urchins to reach eggs efficiently in moving water.
Haixin Chang   +4 more
doaj   +1 more source

Enhanced osseointegration by the chemotactic activity of plasma fibronectin for cellular fibronectin positive cells. [PDF]

open access: yes, 2007
Plasma fibronectin (pFN) is known to regulate cell growth, differentiation or survival of osteoblasts in vitro. It is also speculated to be important for the early phase of osseointegration, however, its actual in vivo behavior is unknown.
Hishikawa, Yoshitaka   +8 more
core   +1 more source

Hijacking emergency granulopoiesis: Neutrophil ontogeny and reprogramming in cancer

open access: yesMolecular Oncology, EarlyView.
Neutrophils are highly plastic innate immune cells; their functions in cancer extend beyond the tumour microenvironment. This Review summarises current understanding of neutrophil maturation and heterogeneity and highlights tumour‐induced granulopoiesis as a systemic programme that expands immature, immunosuppressive neutrophils via tumour‐derived ...
Gabriela Marinescu, Yi Feng
wiley   +1 more source

Mechanisms involved in human eosinophil chemotaxis induced by the newly cloned C-C chemokine eotaxin

open access: yesAllergology International, 1998
The present study was performed in order to investigate the mechanism(s) involved in eotaxin-induced normal human eosinophil chemotaxis using a 48-well micro-chemotaxis chamber assay.
Amr El-Shazly   +3 more
doaj   +1 more source

Investigating the role of chemotaxis operon genes in agrobacterium tumefaciens [PDF]

open access: yes, 2003
A 1.7 Kb chromosomal DNA of A. tumefaciens C58C1 downstream of chemotaxis operon was sequenced completely in both directions. The comparison of this sequence with sequence databases revealed one open reading frame with strong sequence identity to MCP ...
Harighi, Behrouz
core  

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