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Role of bulk lipid fluidity in the thermal adaptation ofDictyostelium discoideumthermotaxis

Authors
Journal
Experimental Mycology
0147-5975
Publisher
Elsevier
Publication Date
Volume
7
Issue
3
Identifiers
DOI: 10.1016/0147-5975(83)90048-8
Keywords
  • Thermotaxis
  • Adaptation
  • Fluidity
  • D. Discoideum
  • Sensory Transduction

Abstract

Abstract Thermotactic responses of Dictyostelium discoideum, strain AX-2, were examined and found to be similar to those of strain NC-4. These responses, like those of strain NC-4, were dependent on the temperature at which the amoebae grew and developed into slugs. The lipid fluidity of strain AX-2 was found to be independent of development temperature. Consequently, the hypothesis that a change in bulk lipid fluidity is the mechanism for the adaptation of D. discoideum thermotaxis appears to be untenable.

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