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Ethylacetate extracts from the gorgonian coral Subergorgia reticulata reduce larval settlement of Balanus (=Amphibalanus) reticulatus and Pinctada martensii and spore germination of Ulva linza, U. lactuca and Gracilaria tenuistipitata

Published online by Cambridge University Press:  14 December 2011

T. Yan ,
W.H. Cao ,
S.S. Liu ,
J. Yang ,
E.Y. Xie ,
M.X. He  and
S. Zhang
T. Yan*
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
W.H. Cao
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
S.S. Liu
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
J. Yang
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
E.Y. Xie
Affiliation:
Fisheries College, Guangdong Ocean University, Zhanjiang 524088, China
M.X. He
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
S. Zhang
Affiliation:
South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China
*
Correspondence should be addressed to: T. Yan, 164 West Xingang Road Guangzhou 510301, China email: yantao@scsio.ac.cn
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Abstract

Ethylacetate extract of the gorgonian coral Suberogorgia reticulata was obtained and its effects on the larval settlement by acorn barnacle Balanus (=Amphibalanus) reticulatus and pearl oyster Pinctada martensii and spore germination of green algae Ulva linza and U. lactuca and red alga Gracilaria tenuistipitata was assessed in this study. Results showed that no larval settlement or spore germination occurred at the dose of 100 μg cm−2. Both larval settlement and spore germination were significantly inhibited by the extract at doses of 1 μg cm−2 for B. reticulatus, 0.1 μg cm−2 for U. linza and U. lactuca, and 0.01 μg cm−2 for P. martensii and G. tenuistipitata. It could be concluded that the gorgonian coral S. reticulata may produce bioactive substances with a broad spectrum of activity against a range of marine sessile organisms including macroalgae and invertebrates.

Keywords

gorgonian coralSubergorgia reticulataextractantifoulinglarval settlementspore germination
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 92 , Issue 6 , September 2012 , pp. 1349 - 1355
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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