An antifreeze glycopeptide gene from the antarctic cod Notothenia coriiceps neglecta encodes a polyprotein of high peptide copy number.
نویسندگان
چکیده
منابع مشابه
L-Arginine Metabolism in Mitochondria Isolated From the Liver of Antarctic Fish Notothenia rossii and Notothenia neglecta
The arginase tissue distribution, the biochemical properties of the argininolytic system and the subcellular localization of the enzymes carbamoylphosphate synthetase, ornithinecarbamoyl transferase, glutamine synthetase and arginase in Antarctic fish, N. neglecta and N. rossii were the main aims of the present work. The tissue with highest argininolytic activity was the kidney distal portion a...
متن کاملCharacterization of Two Antimicrobial Peptides from Antarctic Fishes (Notothenia coriiceps and Parachaenichthys charcoti)
We identified two antimicrobial peptides (AMPs) with similarity to moronecidin in Antarctic fishes. The characteristics of both AMPs were determined using moronecidin as a control. Moronecidin, which was first isolated from hybrid striped bass, is highly salt-resistant, and possesses broad-spectrum activity against various microbes. The moronecidin-like peptide from Notothenia coriiceps exhibit...
متن کاملCold Fusion: Massive Karyotype Evolution in the Antarctic Bullhead Notothen Notothenia coriiceps
Half of all vertebrate species share a series of chromosome fusions that preceded the teleost genome duplication (TGD), but we do not understand the causative evolutionary mechanisms. The "Robertsonian-translocation hypothesis" suggests a regular fusion of each ancestral acro- or telocentric chromosome to just one other by centromere fusions, thus halving the karyotype. An alternative "genome-s...
متن کاملAntifreeze Glycoprotein from an Antarctic Fish
Structural requirements for antifreeze and antilectin activities of the antifreeze glycoproteins from the Antarctic fish Trematomus borckgrevinki have been compared. Graded removal of different amounts of the disaccharide side chain by p elimination caused similar reductions in the capacities for depressing the freezing temperature of water (antifreeze activity) and for inhibiting hemagglutinat...
متن کاملAntifreeze Glycoproteins from an Antarctic Fish
A quasi-elastic light-scattering technique was used to study the hydrodynamic conformations of antifreeze glycoproteins from an Antarctic fish. Antifreeze glycoprotein is composed of repeating units of Ala-Ala-Thr, with each threonine O-linked to a disaccharide, and it exists as several polymers of different numbers of this repeating unit. Molecular weights of the two major active polymers are ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1990
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.87.23.9265