chemotaxis


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Related to chemotaxis: geotaxis, positive chemotaxis

che·mo·tax·is

 (kē′mō-tăk′sĭs, kĕm′ō-)
n.
The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.

che′mo·tac′tic (-tăk′tĭk) adj.
che′mo·tac′ti·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chemotaxis

(ˌkɛməʊˈtæksɪs)
n
(Microbiology) the movement of a microorganism or cell in response to a chemical stimulus
ˌchemoˈtactic adj
ˌchemoˈtactically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

che•mo•tax•is

(ˌki moʊˈtæk sɪs, ˌkɛm oʊ-)

n.
oriented movement toward or away from a chemical stimulus.
[1890–95]
che`mo•tac′tic (-tɪk) adj.
che`mo•tac′ti•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

chemotaxis

the property of some plants and animals of moving toward or away from certain chemicals.
See also: Motion
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chemotaxis - movement by a cell or organism in reaction to a chemical stimulus
taxis - a locomotor response toward or away from an external stimulus by a motile (and usually simple) organism
negative chemotaxis - movement away from a chemical stimulus
positive chemotaxis - movement toward a chemical stimulus
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
chemotassi

che·mo·tax·is

, positive chemotaxis, negative chemotaxis
n. quimiotaxis, movimiento de un organismo o célula como reacción a un estímulo químico.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
elegans would modify its chemotaxis preference after exposure to Bt.
Chicken soup inhibits neutrophil chemotaxis in vitro.
Moreover, chemotaxis and thermotaxis of the sperm have been investigated previously in many studies [17, 18].
From RAST annotation and manual curation, about 75 genes encoding motility and chemotaxis factors were identified in the study Bdellovibrio strains.
The transwell culture showed chemotaxis effect of LPP, indicating that the directional migration of CSPC might be strengthened with higher concentration of LPP.
These genes were related to monocyte chemotaxis, sensitivity to glucocorticoids (steroids used for treatment of secondary osteoporosis), and histamine production, respectively [30].
Neutrophil Chemotaxis. Neutrophil chemotactic responses were measured using 96-well disposable chemotactic plates (Neuro Probe), according to the manufacturer's instructions.
Sperm chemotaxis has been demonstrated in many species, including cnidarians (Miller, 1966, 1978, 1979).
Some bacteria even are able to move chemotactically, thereby is chemotaxis the ability of organisms to direct their movements according to certain chemicals in their environment.
Thalidomide shows immunomodulatory activity through suppression of tumour necrosis factor-alpha, basic fibroblast growth factor and neutrophil chemotaxis.10 A study was carried out by Elgart, that included four patients with pyoderma gangrenosum unresponsive to treatment with prednisone, cyclosporin, colchicine, cytoxan, and dapsone.
Osteopontin (SPP1, OPN) is a multifunctional protein involved in a number of biological processes; chemotaxis, bone remodeling, cell adhesion, inhibition of ectopic calcification, fetal growth and development, cancer metastasis and immune modulatory functions (Schack et al., 2009).
This finding makes sense, as vitamin [D.sub.3] induces the topical production of antimicrobial peptides, which have direct antimicrobial activity and induce a host response characterized by cytokine release, Chemotaxis, inflammation, angiogenesis, and re-epithelialization, she added.