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The biochemical composition of Lepas anatifera (L.) cement (Crustacea: Cirripedia)

Published online by Cambridge University Press:  11 May 2009

G. Walkera
Affiliation:
NERC Unit of Marine Invertebrate Biology, Marine Science Laboratories, Menai Bridge, Anglesey, U.K.
A. Youngson*
Affiliation:
NERC Unit of Marine Invertebrate Biology, Marine Science Laboratories, Menai Bridge, Anglesey, U.K.
*
*NERC Institute of Marine Biochemistry, St Fittick's Road, Aberdeen, Scotland.

Extract

In an earlier study of the biochemical composition of barnacle cement, Walker (1972) found that the cements of two sessile barnacles, Balanus hameri and B. crenatus contained small amounts of lipid (< 1% of total dry wt.) and carbohydrate (♎ 2% of total dry wt.) but were mainly composed of protein ( > 85 % ° of total dry wt.). Lindner & Dooley (1973) similarly found that a large proportion of B. crenatus cement was protein (80%), but Cook (1970) found only 70% protein, lipid (27.4%) being the other major constituent. There is therefore general agreement that barnacle cement is mainly a proteinaceous secretion, but controversy still exists over the amount of lipid present.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1975

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