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. 1975 Oct;72(10):4061-5.
doi: 10.1073/pnas.72.10.4061.

Normal and mutant thermotaxis in the nematode Caenorhabditis elegans

E M Hedgecock, R L Russell

Normal and mutant thermotaxis in the nematode Caenorhabditis elegans

E M Hedgecock et al. Proc Natl Acad Sci U S A. 1975 Oct.

Abstract

When grown at a temperature from 16 degrees to 25 degrees and placed on a thermal gradient, the nematode Caenorhabditis elegans migrates to its growth temperature and then moves isothermally. Behavioral adaptation to a new temperature takes several hours. Starved animals, in contrast, disperse from the growth temperature. Several mutants selected for chemotaxis defects have thermotaxis defects as well; these behaviors depend on some common gene products. New mutants selected directly for thermotaxis defects have unusual phenotypes which suggest mechanisms for thermotaxis.

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