A cold limit to adaptation in the sea

Peck, Lloyd S. ORCID: 2016 A cold limit to adaptation in the sea. Trends in Ecology and Evolution, 31 (1). 13-26.

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This article has been accepted for publication and will appear in a revised form in Trends in Ecology & Evolution. Copyright Elsevier.
Peck 2015 - Cold Limit to Adaptation.pdf - Accepted Version

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Temperature affects biological functions by altering reaction rates. Physiological rates usually double to treble for every 10°C rise, and 1–4 fold encompasses normal biological functions. However, in polar marine species inhabiting temperatures around 0°C many processes are slowed beyond the Arrhenius relationships for warmer water species. Growth, embryonic development, Specific dynamic action (SDA) duration, and time to acclimate to altered temperature, are all 5–12 fold slower in species living near 0°C than at 10°C. This cold marine physiological transition to slower states is absent, however, in oxygen consumption and SDA factorial scope; processes where capacity is related to aerobic scope. My opinion is that processes involving significant protein modification are impacted, and protein synthesis or folding problems cause the slowing of rates beyond expected temperature effects.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: BAS Programmes > BAS Programmes 2015 > Biodiversity, Evolution and Adaptation
ISSN: 0169-5347
Date made live: 16 Nov 2015 14:48 +0 (UTC)

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