The biochemical composition of the pyloric caeca and its relation to DNA levels in the female starfishAsterias rubens during the reproductive cycle

Summary The biochemical composition of the pyloric caeca of femaleAsterias rubens was studied during the annual reproductive cycle. The amounts of nucleic acids, DNA and RNA were measured in addition to the amounts of lipids, glycogen, other reducing carbohydrates, free amino acids and proteins. A p... Ausführliche Beschreibung

1. Person: Plas, A. J.
Weitere Personen: Voogt, P. A.
Quelle: in Journal of comparative physiology Vol. 148 (1982), p. 49-55
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Format: Online-Artikel
Sprache: English
Veröffentlicht: 1982
Beschreibung: Online-Ressource
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Anmerkung: Copyright: Copyright 1982 Springer-Verlag
Zusammenfassung: Summary The biochemical composition of the pyloric caeca of femaleAsterias rubens was studied during the annual reproductive cycle. The amounts of nucleic acids, DNA and RNA were measured in addition to the amounts of lipids, glycogen, other reducing carbohydrates, free amino acids and proteins. A positive correlation of the pyloric caeca index to the biochemical constituents at the cellular level was established. The total DNA content of the pyloric caeca was found to increase with the pyloric caeca index. The relation of the biochemical composition of the pyloric caeca to the size changes of the organ is discussed. The hypothesis that the changes in size of the organ are due to changes both in the number and size of the cells is confirmed. The biochemical composition of the pyloric caeca and its relation to the reproductive cycle is discussed.
ISSN: 1432-136X

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