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- Title
The bugs that came in from the cold: molecular adaptations to low temperatures in insects.
- Authors
Doucet, D; Walker, V K; Qin, W
- Abstract
The widespread distribution of insects over many ecological niches is a testimony to their evolutionary success. The colonization of environments at high latitudes or altitudes required the evolution of biochemical strategies that reduced the impact of cold or freezing stress. This review focuses on our current interests in some of the genes and proteins involved in low temperature survival in insects. Although the most widespread form of protection is the synthesis of low molecular weight polyol cryoprotectants, proteins with intrinsic protective properties, such as the thermal hysteresis or antifreeze proteins are also important. These have been cloned and characterized in certain moths and beetles. Molecular techniques allowing the isolation of genes differentially regulated by low temperatures have revealed that heat shock proteins, cold stress proteins, membrane protectants, as well as ice nucleators and other less well characterized proteins likely also play a role in cold hardiness.
- Publication
Cellular and molecular life sciences : CMLS, 2009, Vol 66, Issue 8, p1404
- ISSN
1420-9071
- Publication type
Journal Article
- DOI
10.1007/s00018-009-8320-6