Studies in the biochemistry of cirripede eggs. I. Changes in the general biochemical composition during development ofBalanus balanoidesandB. balanus
- 1 June 1965
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of the Marine Biological Association of the United Kingdom
- Vol. 45 (2), 321-339
- https://doi.org/10.1017/s0025315400054862
Abstract
The biochemical composition–water, glucose, soluble and insoluble glycogen, protein and non-protein nitrogen, total lipid–of the eggs of Balanus balanoides and B. balanus has been determined during development.Preliminary analyses of the pigment content are reported.The changes in both species are similar; but they take place more rapidly in B. balanus with its shorter period of embryonic development.During development there is a net loss of all fractions; small increases of glucose and soluble nitrogen are, however, found at certain stages.The pigment is largely a chromolipid; during the early stages of development this increases, but is subsequently lost; astaxanthin is also present. The visual appearance is a poor guide to pigment content.The oxygen uptake of the eggs has been measured.There is a discrepancy between the oxygen uptake measured directly and that required to oxidize the substrate lost; the causes of this are discussed.The results are discussed relative to the habitats of the species.This publication has 20 references indexed in Scilit:
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