Soluble carbohydrates (trehalose in particular) and cryoprotection in polar biota

Montiel, Pedro O.. 2000 Soluble carbohydrates (trehalose in particular) and cryoprotection in polar biota. CryoLetters, 21 (2). 83-90.

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Data are presented here on low molecular weight carbohydrates contents (assessed from samples collected in situ) of selected, representative terrestrial species from the maritime Antarctic. Significant seasonal variation for most species were observed. Increased levels overwinter in arthropods contrasted with cryptogams where levels were higher in spring and summer samples. The occurrence and seasonal variation of trehalose in particular is demonstrated for invertebrate and lichen species. The data are discussed in relation to published results from experimental manipulation of growth temperatures on Antarctic fungi and an Arctic springtail providing further evidence for the protective role of trehalose. The widespread presence of trehalose in polar biota is documented and discussed regarding acclimatisation to both low temperature and partial dehydration.

Item Type: Publication - Article
Programmes: BAS Programmes > Pre 2000 programme
ISSN: 0143-2044
Date made live: 30 Nov 2012 11:53 +0 (UTC)

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