Abstract
THE suggestion made by Gunn and Walshe1, that the avoiding reaction of Paramecium fits into the scheme of klino–kinesis, receives some support from the behaviour of the animal in a uniform high temperature, as I described it in 19392. If the temperature of a culture is gradually raised, nothing happens at first except an increase in the speed of the animals. Then at a temperature of about 30° C. avoiding reactions begin, and as the temperature is further raised they become more frequent, with the result that forward motion practically ceases and the animals dance backwards and forwards like particles in Brownian movement. If the temperature is kept steady soon after avoiding reactions have begun, they gradually become less frequent and finally cease altogether. Once the rate of occurrence of the reactions has become very high, however, there is no acclimatization and death soon follows.
Similar content being viewed by others
Article PDF
References
Gunn and Walshe, NATURE, 148, 564 (1941).
Yapp, "Introduction to Animal Physiology" (Oxford, 1939).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
YAPP, W. ‘Klino–kinesis’ of Paramecium. Nature 148, 754 (1941). https://doi.org/10.1038/148754a0
Issue Date:
DOI: https://doi.org/10.1038/148754a0
This article is cited by
-
Klino-kinesis in Paramecium
Nature (1942)
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.