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

Jayanta Roy-Chowdhury, Namita Roy Chowdhury, Irwin M. Arias

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

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
Volume66
Issue number4
DOIs
StatePublished - 1980

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Squalus acanthias
Skates (Fish)
Flounder
bilirubin glucuronoside glucuronosyltransferase
Bilirubin
Liver
Fish
Fishes
Tetrapyrroles
Bile Pigments
Enzyme activity
Transferases
Chromatography
Pigments
Temperature
Enzymes

Cite this

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title = "Bilirubin conjugation in the spiny dogfish, Squalus acanthias, the small skate, Raja erinacea and the winter flounder, Pseudopleuronectes americanas",
abstract = "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.",
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T1 - Bilirubin conjugation in the spiny dogfish, Squalus acanthias, the small skate, Raja erinacea and the winter flounder, Pseudopleuronectes americanas

AU - Roy-Chowdhury, Jayanta

AU - Chowdhury, Namita Roy

AU - Arias, Irwin M.

PY - 1980

Y1 - 1980

N2 - 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.

AB - 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.

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