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Energy metabolism during development of the antarctic sea urchin Sterechinus neumayeri

journal contribution
posted on 2023-05-22, 02:20 authored by Podolsky, R, Patti VirtuePatti Virtue, Hamilton, T, Vavra, J, Manahan, D
Little is known about the developmental physiology of lar- al forms of antarctic marine invertebrates. At tempera-tures typical of sea water in McMurdo Sound (-1.8°C), rates ofdevelopment are slow (Pearse, McClintock, and Bosch 1991).The feeding larval stage (pluteus) of the antarctic echinoidSterechinus neumayeri develops approximately 20 days afterfertilization; the juvenile stage is reached by 115 days (Boschet al. 1987). We investigated the biochemical and physiologicalchanges that occurred during the early development of thisspecies. Our approach was to • measure the changes in respiration during development tothe feeding larval stage; • measure the changes in enzymes involved in aerobicmetabolism; and • measure the changes in total protein, total lipid, and spe-cific lipid classes during development.

History

Publication title

Antarctic Journal

Volume

100

Pagination

153-165

ISSN

0003-5335

Department/School

Institute for Marine and Antarctic Studies

Publisher

US Dept of Commerce

Place of publication

United States

Repository Status

  • Restricted

Socio-economic Objectives

Biodiversity in Antarctic and Southern Ocean environments

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