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.

chemotaxis

(ˌkɛməʊˈtæksɪs)
n
(Microbiology) the movement of a microorganism or cell in response to a chemical stimulus
ˌchemoˈtactic adj
ˌchemoˈtactically adv

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.

chemotaxis

the property of some plants and animals of moving toward or away from certain chemicals.
See also: Motion
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
Translations
chemotassi

che·mo·tax·is

, positive chemotaxis, negative chemotaxis
n. quimiotaxis, movimiento de un organismo o célula como reacción a un estímulo químico.
References in periodicals archive ?
Bargmann CI and Horvitz HR: Chemosensory neurons with overlapping functions direct chemotaxis to multiple chemicals in C.
An inhibition of neutrophil chemotaxis was earlier shown using the present rose hip powder and it was further demonstrated that the inhibitory effect was related to GOPO (Kharazmi and Winther 1999, Larsen et al.
Yet Eisenbach wasn't convinced that sperm chemotaxis could occur over the full 2 to 3 centimeters of the mammalian fallopian tube.
In vivo effectiveness of lithium on impaired neutrophil chemotaxis in Shwachman-Diamond syndrome.
The cell-free culture supernatants were then collected and subjected to an eosinophil migration assay using a QCM [TM] Chemotaxis 96-well (5[mu]M) Cell Migration Kit (Millipore, Billerica, MA, USA) according to the manufacturer's instructions.
Bacterial chemotaxis is one of the few examples where we know all the individual components that dictate cell behaviour," said Dr Bray.
Neutrophils exhibit defective chemotaxis and reduced intracellular killing for up to 90 minutes after bacterial phagocytosis, and their granules lack the serine proteases cathepsin G and elastase because of a failure of normal protein sorting (68,69).
Depressed chemotaxis (the movement toward chemicals) appears to be an enduring, perhaps inborn, characteristic of LJP patients, rather than a response to infection.
Pipeline candidates fall under a variety of major therapeutic classes such as p38 kinase inhibitors, Janus Kinase Inhibitors (JAK), tyrosine kinase inhibitors, dihydrofolate reductase inhibitors, cyclooxygenase (COX) inhibitors, Dihydroorotate dehydrogenase (DHODH) inhibitors, interleukin inhibitors, tumor necrosis factor (TNF) inhibitors, chemotaxis inhibitors, Vascular Adhesion Protein-1 (VAP 1) inhibitors, granulocyte macrophage colony stimulating factor (GM-CSF) inhibitors, Toll-like receptors (TLRs) and anti-CD 20 monoclonal antibodies.
Cardium's submission to CMS focused on Excellagen's unique product formulation and format, as well as maintenance during manufacture of collagen's structural properties that support chemotaxis, cellular adhesion, migration and proliferation, and granulation tissue development.
THE EFFECTS OF AGING ON CHEMOTAXIS IN CAENOR-HABDITIS ELEGANS.
A rose hip and fruit powder as well as a galactolipid isolated from this material have been shown in vitro to reduce chemotaxis of peripheral blood polymorphonuclear leucocytes and monocytes.