Bilirubin conjugation in the spiny dogfish, Squalus acanthias, the small skate, Raja erinacea and the winter flounder, Pseudopleuronectes americanas

J. Roy Chowdhury, Namita Roy Chowdhury, Irwin M. Arias

Research output: Contribution to journalArticle

21 Scopus citations


1. 1. Bile pigments from spiny dogfish (Squalus acanthias), small skate (Raja erinacea) and winter flounder (Pseudopleuronectes americanas) were quantitated after chromatography of tetrapyrroles and azopigment analysis. 2. 2. Bilirubin monoglucuronide, unconjugated bilirubin, bilirubin diglucuronide and unidentified pigments were present in decreasing order of abundance. 3. 3. UDPglucuronate glucuronyl transferase and bilirubin glucuroniside glucuronosyl transferase activities were present in all three fish livers, and had temperature optima of 37°C. 4. 4. The distribution of the two enzyme activities were different in liver fractions of the three fish.

Original languageEnglish (US)
Pages (from-to)523-528
Number of pages6
JournalComparative Biochemistry and Physiology -- Part B: Biochemistry and
Issue number4
StatePublished - 1980


ASJC Scopus subject areas

  • Biochemistry
  • Physiology
  • Molecular Biology

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