[email protected] 03 11 2000 03 01 2001 © 2001 by Company of Biologists 2001 heat-shock factor Drosophila melanogaster laboratory evolution acclimation Hsp70 In response to heat and other stresses, all organisms express heat-shock proteins (Hsps), molecular chaperones...

... heat-shock factor All organisms that have been studied to date respond to elevated temperatures and other stresses by expressing heat-shock proteins (HSPs) ( Lindquist, 1986 ; Feder and Hofmann, 1998 ). In the absence of stress, these proteins and their constitutively expressed cognates play...