Molecular adaptation and thermal plasticity in a cold-adapted Antarctic fish

Evolutionary adaptation and the connected acclimation capacity of species to changing environmental conditions represents one of the key factors in the composition and dynamics of any ecosystem. In marine environments temperature is one of the major factors defining the aquatic fauna. In respect to...

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Bibliographic Details
Main Author: Windisch, Heidrun Sigrid
Other Authors: Pörtner, Hans-Otto, Stick, Reimer
Format: Doctoral or Postdoctoral Thesis
Language:English
Published: Universität Bremen 2013
Subjects:
Antarctic fish
Pachycara brachycephalum
thermal adaptation
cDNA-library
codon usage
amino acid usage
thermal acclimation
enzyme measurements
gene expression
microarray
550
550 Earth sciences and geology
ddc:550
Antarctic
The Antarctic
Antarc*
Antarktis*
Online Access:https://media.suub.uni-bremen.de/handle/elib/466
https://nbn-resolving.org/urn:nbn:de:gbv:46-00103081-13
Description
Summary:Evolutionary adaptation and the connected acclimation capacity of species to changing environmental conditions represents one of the key factors in the composition and dynamics of any ecosystem. In marine environments temperature is one of the major factors defining the aquatic fauna. In respect to progressing climate change the question arises how individual species react to higher temperatures and how this affects the entire ecosystem. Species that are highly specialized on stable environmental conditions seem to be especially vulnerable. This thesis characterizes the Antarctic eelpout Pachycara brachycephalum (Pappenheim, 1912) in regards to its adaptation to low habitat temperatures as well as its capacity to acclimate to higher temperatures at the molecular level.

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