Thermotaxis


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thermotaxis

[¦thər·mō¦tak·səs]
(biology)
Orientation movement of a motile organism in response to the stimulus of a temperature gradient.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Thermotaxis

 

the movement of freely moving plants and animals as a result of unilateral thermal stimulation. Positive ther-motaxis is movement toward the higher temperature, and negative thermotaxis is movement toward the lower temperature.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Eisenbach, "Thermotaxis of mammalian sperm cells: a potential navigation mechanism in the female genital tract," Nature Medicine, vol.
Eisenbach, "Human sperm thermotaxis is mediated by phospholipase C and inositol trisphosphate receptor [Ca.sup.2+] channel," Biology of Reproduction, vol.
After videotaping the swimming of rabbit sperm placed in this chamber, Eisenbach's team concluded that a small share of rabbit sperm, 7 to 17 percent, exhibit a clear preference for moving toward the warmer well, a process called thermotaxis.
They also found evidence of thermotaxis with human sperm.
Komatsu, et al., (9) found that thermotaxis deficient mutants (tax-4) also failed to respond to AWC sensed odorants.
Such thermally acclimated worms migrate toward this preferred (eccritic) temperature (thermotaxis) in a thermal gradient (17).
elegans, it has been shown, by ablating one of the pair of amphidial chemoreceptors or thermoreceptors, that signals from lateral receptors may be pooled for nematode chemotaxis or thermotaxis (Bargmann and Horvitz, 1991; Bargmann et al., 1993; Mori and Ohshima, 1995).
The neural pathway for thermotaxis includes the sensory neuron AFD and the connected interneurons AIY and AIZ (Ref.