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Micro-algal lethality potentials of marine organisms collected from the Indian littoral

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Relation http://eprints.cmfri.org.in/9914/
 
Title Micro-algal lethality potentials of marine organisms collected from the Indian littoral
 
Creator Manilal, Aseer
Joseph, Selvin
Seghal Kiran, G
Sugathan, Sujith
Feby, F A S
Lipton, A P
 
Subject Marine Pollution
Algae
 
Description Microalgal lethality bioassay was developed to detect the toxic profile of organic extract of marine organisms and their possible
significance in the context of antifouling activities. Organic extracts of seaweeds, Ulva fasciata and Hypnea musciformis,
sponges, Dendrilla nigra, Axinella donnai and Clathria gorgonoides and a holothurian Holothuria scabra were used for the
detection of microalgal lethality potential. The microalgae such as Isochrysis galbana, Chlorella salina and Nanochloropsis
sp. were used for the assay. The findings revealed that H. scabra contained toxic secondary metabolites, which might have
the reason for its potent antifouling activity. Invariably all extracts inhibited the growth of microalgae at various concentrations
except H. musciformis and A. donnani, which induce the growth of microalgae to certain extent. Based on the present
findings, it could be inferred that the ‘microalgal lethality bioassay’ could be used as a primary screening assay system for the
detection of biotoxic and antifouling agents from marine organisms.
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/9914/1/Thalassas_29%282%29_Lipton.pdf
Manilal, Aseer and Joseph, Selvin and Seghal Kiran, G and Sugathan, Sujith and Feby, F A S and Lipton, A P (2013) Micro-algal lethality potentials of marine organisms collected from the Indian littoral. Thalassas, 29 (2). pp. 59-65.