Requirement for calcium in adhesion of a fouling diatom to glass.
An assay for the adhesion of Amphora coffeaeformis (Bacillariophyceae) to glass is described. Ca and Sr promoted adhesion, but Ba and Mn were ineffective. Adhesion was inhibited by cycloheximide, carbonyl cyanide 3-chlorophenyl hydrazone, and alpha-isopropyl-alpha-[(N-methyl-N-homoveratryl)-gamma-amino- propyl]-3,4,5-trimethyoxy phenyl acetonitrile (D-600), but not by 3-(3,4-dichlorophenyl)-1, 1-dimethyl urea or darkness. The assay has potential use in comparing chemical antifoulants.
Cooksey
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Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149.