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ARS Home Plains Area Lubbock, Texas Cropping Systems Research Laboratory Plant Stress and Germplasm Development Research Research Publications at this Location





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Title:   Author  item
                                            Burke, Johnitem
                                            Chen, Junping
  Submitted to: Book Chapter
                                    Publication Type: Book / Chapter
                                    Publication Acceptance Date: 5/1/2005
                                    Publication  Date: 5/1/2006
                                    Citation: Burke, J.J., Chen, J. 2006. Cellular and molecular basis of plant tolerance to heat stress. In: Huang, B, editor. Plant-Environment Interactions. 3rd Edition. Boca Raton, FL: CRC Press. p. 27-46.Interpretive Summary:
                                Technical Abstract: Plant adaptations to temperature occur constantly as temperature 
patterns modulate diurnally and seasonally. These adaptations entail qualitative and/or quantitative metabolic and physiological changes that often provide a competitive advantage, impact adjustment to new environments, and effect the survival of the species. Changes in 
isozymes or allozymes, changes in enzyme concentration, modification by substrate and effectors, and metabolic regulation of enzyme function without changing enzyme composition are all possible strategies for adaptation to changes in temperature. The ongoing 'Genomics Revolution' provides further insight into the complexity of metabolic responses to adverse environments with reports of hundreds of genes being down-regulated and/or up-regulated in response to heat stress.  This review provides an overview of protective mechanisms and tissue sensitivities to heat stress.


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