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Publications

  1. Fehsenfeld, S., Weihrauch, D 2016. The role of an ancestral hyperpolarization activated cyclic nucleotide-gated K+-channel in branchial acid-base regulation in the green crab, Carcinus maenas (L.). JEB, published online [ Link ]
  2. Fehsenfeld, S., Weihrauch, D 2016. Mechanisms of acid-base regulation in sweater-acclimated green crabs, Carcinus maenas. Canadian Journal of Zoology, 94: 95–107
  3. Blewett, T., Glover, C.N., Fehsenfeld, S., Lawrence, M.J., Niyogi, S., Goss, G.G., Wood, C.M 2015. Making sense of nickel accumulation and sub-lethal toxic effects in saline waters: Fate and effects of nickel in the green crab, Carcinus maenas. Aquatic Toxicology, 164:23-33
  4. Hans, S., Fehsenfeld, S., Treberg, J.R., Weihrauch, D 2014. Acid–base regulation in the Dungeness crab (Metacarcinus magister). Marine Biology, 161:1179–1193
  5. Cruz, M.J., Sourial, M.M., Treberg, J.R., Fehsenfeld, S., Adlimoghaddam, A., Weihrauch, D 2013. Cutaneous nitrogen excretion in the African clawed frog Xenopus laevis: Effects of high environmental ammonia (HEA). Aquatic Toxicology, 136-137C:1-12

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Sandra Fehsenfeld

Postdoctoral Research Fellow

Email:
Research area: Comparative Physiology
Supervisor: C. Wood
History: Ph.D. in Biology, University of Manitoba, Winnipeg, Canada (2011 - 2015)
M.Sc. in Marine Biology, Christian-Albrechts-University and GEOMAR Kiel, Germany (2005 - 2010)

As an environmental physiologist, I am highly interested in the phenotypic plasticity and acclimation/adaptation capacity of marine invertebrates (crustaceans) and vertebrates (teleosts) to a “future ocean scenario” as predicted by climate change experts. Challenging animals with elevated pCO2 and the resulting drop in seawater pH (hypercapnia/ocean acidification) as well as changes in other abiotic parameters like high environmental ammonia, allows me to discover relevant underlying principles that help to ensure the animals’ performance. Particularly, I am interested in the linkage of acid-base homeostasis with the regulation of ammonia, the major waste product of protein metabolism.

For my research, I aspire an integrative approach in an environmental relevant context - from the whole living animal and/or isolated tissues to the underlying genetic mechanisms - applying both, physiological and molecular methods. My methodological approach includes organ perfusions, ion-flux measurements over epithelial surfaces, gene expression analysis of respective epithelial transporters, as well as general molecular cloning techniques and cell culture.

Last updated 8 March 2016