Examples of chemotaxis

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Many stimuli have been shown to elicit a taxis response, such as chemicals (chemotaxis), adhesiveness of the substrate (haptotaxis), oxygen (aerotaxis), and electric fields (galvanotaxis).
Partially purified mucin extracted from porcine stomach was also used in different concentrations (1, 2 and 4 %) for chemotaxis assay.
A 0.5 g fragment of dry ice was used in the chemotaxis assay, and set up as described above.
Three new chemokines induce chemotaxis and activation of basophils.
The assay was carried out and chemotaxis indices calculated, as described above, for the chemotaxis assay.
The change in the direction of flagellar rotation from counterclockwise to clockwise may influence chemotaxis and motility.
Chemosensation and chemotaxis are essential processes in the survival of both free-living and parasitic animals.
This assay was carried out as described above for the water-soluble chemotaxis assay.
The infiltration of such cells to sites of inflammation is dependent upon chemotaxis.
Chemokines can stimulate or inhibit proliferation and chemotaxis of the endothelial cells of the blood vessels that serve a tumour.
The most familiar case of chemotaxis is attraction to an external chemical such as a nutrient.
The simulation does not model either growth or chemotaxis, both important in most natural ecosystems.
Cytokines that stimulate leukocyte migration (chemotaxis) from blood into tissues.
When the solublilization of selected odorants on the agar surface was impeded, a large reduction in chemotaxis index was observed.
With heptanol we detected a drop in chemotaxis index from 0.796 to 0.272.
Next to this, groups of genes related to chemotaxis, flagellum formation and nitrogen metabolism were also differentially expressed.
The other three clusters in which order is conserved include genes that models predict to be associated with chemotaxis, ion transport, and metabolism.
Capacitated spermatozoa are then guided from the site of storage to the egg by a combination of chemotaxis, thermotaxis and oviductal contractions.
Thus, there may be some form of chemotaxis towards the site of fertilisation rather than specifically towards the egg surface.
To self-engineer their colonial structure these bacteria regulate the balance between attractive and repulsive chemotactic signalling as well as their food chemotaxis.

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