PMID: 3214165Dec 1, 1988Paper

Characterization of type I collagen from the skin of blue grenadier (Macruronus novaezelandiae)

Archives of Biochemistry and Biophysics
J A RamshawH A Bremner

Abstract

The skin collagen of a fish, blue grenadier (Macruronus novaezelandiae), has been purified and characterized. The fish skin was readily soluble in dilute acetic acid, with no pepsin treatment needed. The collagen was purified by salt precipitation. Skin samples from fish of various ages showed that even in the oldest sample, more than 8 years of age, the collagen was still readily acid soluble. The purified collagen had a melting temperature of 22 degrees C; the shrinkage temperature for the skin was 48 degrees C. Its tissue distribution, examined by immunohistology, and its chemical properties indicated a close homology to mammalian type I collagen. However, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) showed that three distinct alpha-chains were present. These were purified by ion-exchange chromatography on CM-cellulose and by gel permeation chromatography on Superose 6. The three purified alpha-chain fractions were examined by amino acid analysis and by SDS-PAGE of their cyanogen bromide fragments. These data indicated that the additional chain was genetically distinct, and most closely related to the alpha 1-chain, from which it was poorly resolved on SDS-PAGE.

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Citations

Jan 1, 1991·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·S KimuraN Uchida
Jun 1, 1992·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·S Kimura
May 1, 2004·Bioscience, Biotechnology, and Biochemistry·Koichi MorimotoBen'ichiro Tonomura
Mar 10, 2009·Zoological Science·Maya HoriguchiTakayuki Takahashi
Aug 21, 2013·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Hiroshi TsukamotoYoshiaki Akahane
Mar 28, 2006·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Jae-Ho HwangReiji Yoshinaka

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