Antifouling activity of seaweed extracts on the green alga Enteromorpha prolifera and the mussel Mytilus edulis

Twenty-seven species of common seaweeds from the coast of Korea have been screened for antifouling activity. The seaweed extracts were tested in laboratory assays against the marine fouling green alga Enteromorpha prolifera and the blue mussel Mytilus edulis. Tissue growth, spore settlement, zygote...

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Bibliographic Details
Published in:Journal of applied phycology 2001-04, Vol.13 (2), p.117-125
Main Authors: JI YOUNG CHO, KWON, Eun-Hee, CHOI, Jae-Suk, HONG, Sung-Youl, SHIN, Hyun-Woung, HONG, Yong-Ki
Format: Article
Language:English
Subjects:
Biodeterioration. Biofouling
Biological and medical sciences
Biotechnology
Enteromorpha prolifera
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Ishige sinicola
Korea
Marine
Mytilus edulis
Phaeophyta
Sargassum horneri
Scytosiphon lomentaria
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Summary:Twenty-seven species of common seaweeds from the coast of Korea have been screened for antifouling activity. The seaweed extracts were tested in laboratory assays against the marine fouling green alga Enteromorpha prolifera and the blue mussel Mytilus edulis. Tissue growth, spore settlement, zygote formation and germlings of the E. prolifera were inhibited by methanol extracts of the seaweed Ishige sinicola (= I. foliacea) and Sargassum horneri. Spore settlement was strongly inhibited by using extract concentrations as low as 30 mu g mL super(-1) with I. sinicola and 120 mu g mL super(-1) with S. horneri. The repulsive activity of the foot of the mussel was completely inhibited by methanol extracts of I. sinicola and Scytosiphon lomentaria at concentrations of 40 mu g per 10 mu L drop supplied to each mussel. These extracts also showed strong antifouling activities on larval settlement with, respectively, no or only 6% of the spat settling when a test concentration of 0.8 mg mL super(-1) was used. This work is the first stage towards the development of novel antifouling agents from marine macroalgae.
ISSN:0921-8971
1573-5176
DOI:10.1023/A:1011139910212