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Microfouling inhibitors from the Indian gorgonian Subergorgia reticulata (Ellis and Solander, 1786)

DRS at CSIR-National Institute of Oceanography

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Title Microfouling inhibitors from the Indian gorgonian Subergorgia reticulata (Ellis and Solander, 1786)
 
Creator LimnaMol, V.P.
Abhilash, K.R.
Raveendran, T.V.
Parameswaran, P.S.
 
Subject Fouling and Boring
Aquatic Ecology, Productivity
Fouling organisms
ISW, India
 
Description Antifouling research currently focuses on greener ways of biofouling control in view of the International Maritime Organisation (IMO) imposed regulations on toxic biocides Microfouling, the initial phase of fouling, is an important target to prevent further macrofouling assemblage In this perspective, the antimicrofouling potential of three calamenene derivatives (2-methoxy calamenene, 1; 2,5-dimethoxy calamenene, 2 and 2-methoxy, 5-acetoxy calamenene, 3 isolated from the Indian gorgonian Subergorgia reticulata was investigated These compounds inhibited growth of five fouling bacterial strains (Bacillus megaterium, Vibrio furnissii, V fischeri, V gazogenes and V parahaemolyticus) as well as the two species of diatoms (Amphora coffeaeformis and Navicula transitans) Of these, the highest activity was exhibited by compound 3 against B megaterium (MIC, 12.5?g) and N transitans (EC50,14?g/ml) The environmental-compatibility of this compound was evidenced from the non-toxicity to B amphitrite nauplii (IC50 1?g/ml) and Artemia sp nauplii (IC50 0.6?g/ml) Analysis of structure-activity relationship suggested that the acetoxy group present in 3 may be responsible for the comparatively high antifouling activity exhibited by this compound.
 
Date 2016-07-01T10:59:24Z
2017-09-30T03:12:34Z
2016-07-01T10:59:24Z
2017-09-30T03:12:34Z
2014
 
Type Journal Article
 
Identifier Indian Journal of Geo-Marine Sciences, vol.43(11); 2014; 2094-2100
0379-5136
http://drs.nio.org/drs/handle/2264/7626
 
Language en
 
Relation Indian J Geo-Mar Sci
SCI
 
Publisher CSIR-NISCAIR