Cryoprotective dehydration: clues from an insect

Worland, M. Roger; Grubor-Lajšić, Gordana; Purać, Jelena; Thorne, Michael A.S. ORCID:; Clark, Melody S. ORCID: 2010 Cryoprotective dehydration: clues from an insect. In: Lubzens, E.; Cerda, J.; Clark, Melody S ORCID:, (eds.) Dormancy and resistance in harsh environments. Berlin, Springer, 147-163. (Topic in Current Genetics, 21).

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Arthropods have evolved a number of different adaptations to survive extreme environmental temperatures including, in some regions, over-wintering temperatures well below 0°C. One of the less common adaptations to surviving cold is that of cryoprotective dehydration, where the animal becomes almost anhydrobiotic with the loss of virtually all osmotically active water. In this chapter, we describe integrated studies utilising physiology, biochemistry and molecular biology to understand this phenomenon in the Arctic springtail (Megaphorura arctica) (formerly Onychiurus arcticus). These studies concentrate on the action of trehalose as a cryoprotectant, the production of antioxidants to reduce cell damage and changes in membrane composition.

Item Type: Publication - Book Section
Digital Object Identifier (DOI):
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ecosystems
ISBN: 978-3-642-12421-1
NORA Subject Terms: Biology and Microbiology
Date made live: 08 Aug 2011 13:26 +0 (UTC)

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