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Dinoflagellate bioluminescence: A comparative study of invitro components

Schmitter, Ruth E. ; Njus, David ; Sulzman, Frank M. ; Gooch, Van D. ; Hastings, J. W.

Journal of cellular physiology, 1976-01, Vol.87 (1), p.123-134 [Periódico revisado por pares]

Hoboken: Wiley Subscription Services, Inc., A Wiley Company

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Título:
Dinoflagellate bioluminescence: A comparative study of invitro components
Autor: Schmitter, Ruth E. ; Njus, David ; Sulzman, Frank M. ; Gooch, Van D. ; Hastings, J. W.
Assuntos: Animals ; Binding Sites ; Circadian Rhythm ; Dinoflagellida - analysis ; Dinoflagellida - enzymology ; Dinoflagellida - physiology ; Eukaryota - physiology ; Firefly Luciferin - analysis ; Firefly Luciferin - isolation & purification ; Firefly Luciferin - metabolism ; Hydrogen-Ion Concentration ; Luciferases - analysis ; Luciferases - isolation & purification ; Luciferases - metabolism ; Luminescent Measurements ; Molecular Weight ; Peptide Hydrolases - metabolism ; Proteins - isolation & purification ; Space life sciences ; Species Specificity
É parte de: Journal of cellular physiology, 1976-01, Vol.87 (1), p.123-134
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Descrição: In vitro bioluminescence components of the dinoflagellates Gonyaulax polyedra, G. tamarensis, Dissodinium lunula, and Pyrocystis noctiluca were studied. The luciferases and luciferins of the four species cross‐react in all combinations. All of these species possess high‐molecular weight luciferases (200,000–400,000 daltons) with similar pH activity profiles. The active single chains of luciferases from the Gonyaulax species have a MW of 130,000 while those from P. noctiluca and D. lunula have a MW of 60,000. Extractable luciferase activity varies with time of day in the two Gonyaulax species, but not in the other two. A luciferin binding protein (LBP) can easily be extracted from the two Gonyaulax species (MW ˜ 120,000 daltons), but none could be detected in extracts of either D. lunula or P. noctiluca. Scintillons are extractable from all four species, but they vary in density and the degree to which activity can be increased by added luciferin. Although the biochemistry of bioluminescence in these dinoflagellates is generally similar, the observations that D. lunula and P. noctiluca apparently lack LBP and have luciferases with low MW single chains require further clarification.
Editor: Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Idioma: Inglês

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Dinoflagellate bioluminescence: A comparative study of invitro components

Schmitter, Ruth E. ; Njus, David ; Sulzman, Frank M. ; Gooch, Van D. ; Hastings, J. W.

Hoboken: Wiley Subscription Services, Inc., A Wiley Company

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