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Biological activity of Seaweed extracts from <i style="">Cladophora clavuligera</i> (Kutzing, 1843) and <i>Sargassum wightii</i> (Greville, 1995)<i> </i>against marine fouling bacteria

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Title Biological activity of Seaweed extracts from Cladophora clavuligera (Kutzing, 1843) and Sargassum wightii (Greville, 1995) against marine fouling bacteria
 
Creator Bragadeeswaran, S.
Prabhu, K.
Thangaraj, S.
Ganesan, K.
Rani, S. Sophia
 
Subject Seaweeds
Antifouling activity
Natural product
Artemia salina
 
Description 398-402
Present study was to assess the antifouling
activity of seaweeds Cladophora clavuligera and Sargassum wightii collected from Tuticorin,
Southeast coast of India. Crude methanol and dichloromethane extracts of the
seaweeds were tested against five biofilm forming
bacterial strains, Bacillus sp.1, Bacillus sp.2, Micrococcus sp. Pseudomonas
sp.1 and Pseudomonas sp.2, isolated
from fouling test panels. Of these, MeOH extract of Sargassum wightii showed the activity against all the bacterial
stains with significant activity (6-7 mm inhibition zone at 50µl/6mm disc) against Pseudomonas sp.1 and Bacillus sp.2 whereas DCM extract showed
the activity(3-4 mm inhibition zone at 50µl/6mm disc) against Micrococcus sp., Pseudomonas
sp.1 and Pseudomonas sp.2. The MeOH and DCM extracts
of Cladophora clavuligera (showed the
activity 5 mm inhibition zone at 50µl/6mm disc) against Bacillus
sp.2 and 5 mm inhibition zone at 50µl/6mm disc against Bacillus
sp.1 and Pseudomonas sp.2. The seaweeds were
tested moderately toxic to Artemia salina
as proved by brineshrimp lethality assay.
 
Date 2011-07-19T04:46:53Z
2011-07-19T04:46:53Z
2011-06
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/12430
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.40(3) [June 2011]