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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue May 2010, 31 (3)                                                                                                             Back



abstract_27

Bioactive potential of seagrass bacteria against human bacterial pathogens

 

S. Ravikumar*1, N. Thajuddin2, P. Suganthi1, S. Jacob Inbaneson1 and T. Vinodkumar2

 

1School of Marine Sciences, Centre for Marine Pharmacology, Alagappa University, Thondi Campus - 623 409, India

2Department of Microbiology, Bharathidasan University, Tiruchirappalli - 620 024, India

(Received: February 26, 2009; Revised received: May 05, 2009; Accepted: May 22, 2009)

 

Abstract: Study of marine organisms for their bioactive potential, being an important part of marine ecosystem, has picked up the rhythm in recent years with the growing recognition of their importance in human life. Investigation was carried out to isolate 32 strains of endo and epiphytic bacteria in 2 seagrass species viz., Syringodium isoetifolium and Cymodocea serrulata.? Morphologically different bacterial strains were tested against 5 antibiotic resistant human bacterial pathogens, of which 10 associated bacteria shown inhibitory activity against one or more bacterial pathogens. Minimum inhibitory concentration (MIC) and Minimum bacterial concentration (MBC) determination with extracellular bioactive compounds from the associated bacteria reveals that, the strain ENC 5 showed inhibitory activity against all the bacterial pathogens with the maximum sensitivity against Pseudomonas aeruginosa at the MIC value of 500 ?g ml-1.

Key words:? Antibiotic resistant bacteria, Antimicrobial activity, Bioactive compounds, Sea grass, Symbiotic bacteria

??????? PDF of full length paper is available online

 

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