2012-2013 Science Planning Summaries
U.S. Antarctic Program - Science Support Section United States Antarctic Program United States Antarctic Program Logo National Science Foundation Logo
 
The cellular stress response in cold-adapted organisms: Building novel mechanistic links between heat stress, cell cycle arrest and apoptosis in Antarctic fishes.
 

Program Manager:
Dr. Diana Nemergut

B-308-M

ASC POC/Implementer:
John Rand / Cara Sucher

Dr. Bradley Buckley (Principal Investigator)
bbuckley@pdx.edu

Portland State University
Department of Biology
Portland, Oregon

Supporting Stations:  McMurdo Station
Research Locations:  Sea ice at Cape Evans / Inaccessible Island / McMurdo jetty, Crary Lab

Project Description:
The primary goals of this project concern the biology of the cold-adapted fishes of Antarctica, specifically those that inhabit the waters of McMurdo Sound. The specific research objectives are to determine the impact that elevated (but not lethal) temperatures have on the cellular biology and physiology of common McMurdo Sound fish species. The goal is to determine the impact that rising seawater temperatures may have on the ecology of these important and environmentally sensitive species.

Field Season Overview:
Three researchers will deploy to McMurdo as early in October as possible and will redeploy when sea ice contitions deteriorate. They will make day trips to sea ice locations proven to be superb sites for the target species (Trematomus bernacchii and Pagothenia borckgrevinki) and drill holes by hand using Jiffy drills. The fish will be returned to the Crary aquarium and maintained in a seawater tank. Tissue samples will be taken and preserved for return to the home institution.

Deploying Team Members:

  • Bradley Buckley (PI)
  • Daniel Hassumani
  • Marissa Lee

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Curator: Esther L. Hill PhD, Antarctic Support Contract   |   NSF Official: Alexandra Isern, Division of Polar Programs