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  Activity of Commercial Enzymes on Settlement and Adhesion of Cypris Larvae of the Barnacle Balanus amphitrite, Spores of the Green Alga Ulva linza, and the Diatom Navicula perminuta
 
 
Titel: Activity of Commercial Enzymes on Settlement and Adhesion of Cypris Larvae of the Barnacle Balanus amphitrite, Spores of the Green Alga Ulva linza, and the Diatom Navicula perminuta
Auteur: Pettitt, M. E.
Henry, S. L.
Callow, M. E.
Callow, J. A.
Clare, A. S.
Verschenen in: Biofouling
Paginering: Jaargang 20 (2004) nr. 6 pagina's 299-311
Jaar: 2004
Inhoud: Fouling species produce adhesive polymers during the settlement, adhesion and colonization of new surfaces in the marine environment. The present paper tests the hypothesis that enzymes of the appropriate specificity may prevent biofouling by hydrolysing these adhesive polymers. Seventeen commercially available enzyme preparations designed originally for bulk use in a range of end-use applications were tested for their effects on the settlement and/or adhesion of three major fouling species, viz. the green alga Ulva linza, the diatom Navicula perminuta and the barnacle Balanus amphitrite. The serine-proteases were found to have the broadest antifouling potential reducing the adhesion strength of spores and sporelings of U. linza, cells of N. perminuta and inhibiting settlement of cypris larvae of B. amphitrite. Mode-of-action studies on the serine-protease, Alcalase, indicated that this enzyme reduced adhesion of U. linza in a concentration-dependent manner, that spores of the species could recover their adhesive strength if the enzyme was removed and that the adhesive of U. linza and juvenile cement of B. amphitrite became progressively less sensitive to hydrolysis as they cured.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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