Production of antibacterials from the freshwater alga Euglena viridis (Ehren)

The antibacterial properties of Euglena viridis, collected from a freshwater pond at the Central Institute of Freshwater Aquaculture (CIFA), Bhubaneshwar, India, were tested against various strains of virulent pathogens viz. Pseudomonas putida(PP1, PP2),P. aeruginosa (PA1, PA2, PA3, PA4), P. fluores...

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Bibliographic Details
Published in:World journal of microbiology & biotechnology 2005-02, Vol.21 (1), p.45-50
Main Authors: Das, B.K, Pradhan, J, Pattnaik, P, Samantaray, B.R, Samal, S.K
Format: Article
Language:English
Subjects:
Acetone
antibacterial properties
Bacteria
Biological and medical sciences
biological control agents
Biotechnology
Ethanol
Euglena
extracts
freshwater
Freshwater aquaculture
Fundamental and applied biological sciences. Psychology
microalgae
Microbiology
organic extract
Pathogens
Ponds
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Summary:The antibacterial properties of Euglena viridis, collected from a freshwater pond at the Central Institute of Freshwater Aquaculture (CIFA), Bhubaneshwar, India, were tested against various strains of virulent pathogens viz. Pseudomonas putida(PP1, PP2),P. aeruginosa (PA1, PA2, PA3, PA4), P. fluorescens (PF1, PF2, PF3, PF4), Aeromonas hydrophila (AH30, AH31, AH32, AH34), Edwardsiella tarda, Vibrio alginolyticus (VA1),V. anguillarum(VN1, VN2 & VN3), V. fluvialis (VF1), V. parahemolyticus (VP1) and V. harveyi (VH1) andEscherichia coli(O115, O1, O156, O164, O111 & O109). Four organic extracts viz. methanolic, ethanolic, acetone and acetone/ethanol of theE. viridis showed moderate to high antibacterial activity to all the bacterial pathogens. Rotavapor extraction products showed higher sensitivity in comparison to cold and hot extractions.[PUBLICATION ABSTRACT]
ISSN:0959-3993
1573-0972
DOI:10.1007/s11274-004-1555-3