Mussel ( Mytilus edulis ) byssus deposition in response to variations in surface wettability

Journal of the Royal Society Interface - Tập 3 Số 6 - Trang 37-43 - 2006
Nick Aldred1, Linnea K. Ista2, Maureen E. Callow3, James A. Callow3, Gabriel P. López2, Anthony S. Clare1
1School of Marine Science and Technology, University of Newcastle upon TyneNewcastle NE1 7RU, UK
2Department of Chemical and Nuclear Engineering, University of New MexicoAlbuquerque, NM 87131, USA
3School of Biosciences, University of BirminghamBirmingham B15 2TT, UK

Tóm tắt

Mussels ( Mytilus edulis ) are economically important in their role as an aquaculture species and also with regard to marine biofouling. They attach tenaciously to a wide variety of submerged surfaces by virtue of collagenous attachment threads termed ‘byssi’. The aim of this study was to characterize the spreading of the byssal attachment plaque, which mediates attachment to the surface, on a range of surfaces in response to changes in wettability. To achieve this, well characterized self-assembled monolayers of ω-terminated alkanethiolates on gold were used, allowing correlation of byssal plaque spreading with a single surface characteristic—wettability. The present results were inconsistent with those from previous studies, in that there was a positive correlation between plaque size and surface wettability; a trend which is not explained by conventional wetting theory for a three-phase system. A recent extension to wetting theory with regard to hydrophilic proteins is discussed and the results of settlement assays are used to attempt reconciliation of these results with those of similar previous studies and, also, with recent data presented for the spreading of Ulva linza spore adhesive.

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Journal of the Royal Society Interface

Tập 3 Số 6

37-43

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