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    • Volume 5 Issue 2 June 1983 pp 147-154

      Physico-chemical characterisation and molecular organisation of the collagen from the skin of an air-breathing fish (Ophiocephalus striatus)

      S Rama Gowri Chandrakasan

      More Details Abstract Fulltext PDF

      Collagen has been prepared from the skin of an air-breathing Indian fish(Ophiocephalus striatus) by extraction with cold 0.5M acetic acid and purification by alternate precipitation with NaCl and dialysis against 0.02M Na2HPO4. The purified collagen was characterised with respect to physico-chemical properties, amino acid composition and chromatography of the denatured collagen. The fish collagen has a higher shrinkage temperature and denaturation temperature compared to that of the allied teleosts living in exclusively aquatic medium. These differences could possibly be reflections of the response to the rigours of the environment. As found for other vertebrate collagens, the fish collagen contains two kinds of single chains the α1 and α2 chains as revealed by sodium dodecyl sulphate-polyacrylamidegel electrophoresis and carboxymethylcellulose chromatography.

  • Journal of Biosciences | News

      Forthcoming Special issue.


    • To trigger further research on plant mitochondria, the Journal of Biosciences is bringing out a special issue titled "Plant Mitochondria: Properties and Interactions with Other Organelles".


      Plant mitochondria are quite distinct and have unique features, such as a cyanide-insensitive alternate pathway. They also interact with chloroplasts to optimize photosynthetic carbon assimilation.


      Submissions are welcome until 30 July 2023. The contributions can be original articles, short communications, reviews, or mini-reviews on any topic related to plant mitochondria.


      Authors can submit their articles online at https://www.editorialmanager.com/jbsc/default2.aspx

      Posted on April 12, 2023
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