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《Current Zoology》 2010年06期
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Application of heat shock protein expression for detecting natural adaptation and exposure to stress in natural populations

Jesper Givskov SφRENSEN  
【摘要】:正 Heat-shock proteins (HSPs) play an undisputed role for maintaining cellular functioning under environmental challengesand protein denaturing conditions. Compelling evidence points to an evolutionary important role of HSPs and a strict evolutionarycontrol of these proteins as a balance between benefits and costs. While there is a great potential for using HSP expressionfor detecting natural adaptation and exposure to stress in natural populations, some obstacles and key issues await investigation.From an ecological perspective these key issues needs to be resolved in order to fully appreciate the complex responses andadaptations to stress and to increase our understanding of HSPs and other molecular chaperones for stress adaptation and potentialuse as biomarkers. Here, the current knowledge and understanding of HSPs is reviewed and a number of key issues including theinterpretation of elevated HSP levels, the complications of extrapolating between laboratory and field conditions, the effects ofchoice of traits and methodology and the larger intra-and extracellular networks of interactions that HSPs participate in are discussed

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