Effect of tidal submersion on lysozyme activity in Mytilus edulis and Tellina tenuis |
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| Authors: | J. G. McHenery J. A. Allen T. H. Birkbeck |
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| Affiliation: | 1. University Marine Biological Station, KA28 OEG, Millport, Isle of Cumbrae, Scotland
2. Department of Microbiology, University of Glasgow, Anderson College, 56 Dumbarton Road, G11 6NU, Glasgow, Scotland
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| Abstract: | Changes in mean style weight and in lysozyme activity of the style, digestive gland, gill and mantle of Mytilus edulis and Tellina tenuis from the Clyde Sea area, Scotland, were investigated over tidal cycles in March and August, 1981. For M. edulis, significant changes occurred in the style weight, style lysozyme activity and digestive gland lysozyme activity during a 22 h period. These appear to be related to a diurnal cycle rather than a tidal cycle. Changes in the weight of the style of M. edulis may be caused by dissolution during feeding, and style lysozyme may be secreted independently of the style matrix. The activity of lysozyme in T. tenuis is unaffected by the tide, suggesting that this intertidal bivalve can feed throughout the tidal cycle. |
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