Comparison of antifreeze glycopeptides from several Antarctic fishes

J. A. Ahlgren, A. L. DeVries

Research output: Contribution to journalArticlepeer-review


Antifreeze glycopeptides have been isolated from eight species of antarctic fish representing the families Nototheniidae, Channichthyidae, and Bathydraconidae. Amino acid analysis indicates that the glycopeptides have amino acid compositions identical to previously studied antarctic nototheniids. The sizes of the glycopeptides show some heterogeneity although they all span the molecular weight range of approximately 34,000 to 2,500 daltons. The species studied here are representative of most of the ecological habitats of the Antarctic Ocean.

Original languageEnglish (US)
Pages (from-to)93-97
Number of pages5
JournalPolar Biology
Issue number2
StatePublished - Jun 1984

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)


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