On the changes in lecithin-content which accompany the development of sea-urchin eggs

Autor:	Hardolph Wasteneys, T. Brailsford Robertson
Rok vydání:	1913
Předmět:	Diminution animal structures food.ingredient biology urogenital system Phosphorus chemistry.chemical_element Lecithin Animal science food chemistry Biochemistry biology.animal embryonic structures Genetics Sea urchin Developmental Biology
Zdroj:	Archiv für Entwicklungsmechanik der Organismen. 37:485-496
ISSN:	1432-041X 0949-944X
DOI:	10.1007/bf02161503
Popis:	1) During the development of the eggs ofStrongylocentrotus purpuratus to blastulae, the proportion of phosphorus which is present in the form of phospholipines (Lecithin, etc.) undergoes appreciable diminution. The further development of the blastulae into plutei is accompanied by a further diminution in the proportion of phospholipines present in the larvae. 2) The development of the eggs ofStrongylocentrotus purpuratus to blastulae is accompanied by a considerable increase in the proportion of phosphorus which is soluble in boiling water and insoluble in alcohol, and by a decrease in the proportion of phosphorus which is insoluble either in alcohol or in boiling water. The further development of the larvae to plutei is accompanied, on the contrary, by a decrease in the proportion of water-soluble phosphorus and an increase in the proportion of insoluble phosphorus.
Databáze:	OpenAIRE
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