Antimicrobial evaluation of fluorescent Pseudomonas sp. inhabiting medicinal plant Annona squamosa L.

Baker, S. and Satish, S. (2013) Antimicrobial evaluation of fluorescent Pseudomonas sp. inhabiting medicinal plant Annona squamosa L. Journal of Pure and Applied Microbiology, 7 (2). pp. 1027-1033.

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Abstract

The present study was designed and executed to screen bacterial endophytes from medicinal plant Annona squamosa L. The obtained isolates were evaluated for antimicrobial activity, based on the higher inhibitory activity further studies were carried out. Among the isolated endophytes, fluorescent bacteria expressed signiñcant activity against the all test pathogens which was the subject of the present investigation. Based on the 16s rRNA and biochemical tests, the bacterium belonged to the genus Pseudomonas sp. Crude ethyl acetate extract of the isolate was evaluated for antimicrobial activity against clinically important Gram positive and Gram negative bacteria via disc diffusion assay, minimal inhibitory concentration and bioautography. MIC concentration of the ethyl acetate extract varied from 0.19 μg mL-1 to 25.0 mu;g mL-1 against the test pathogens. Further purification and characterization of crude ethyl acetate extract will be promising enough to reveal any novel metabolites of pharmaceutical importance.

Item Type: Article
Uncontrolled Keywords: article, unclassified drug, Bacillus subtilis, bacterial strain, Candida albicans, disk diffusion, Escherichia coli, minimum inhibitory concentration, Staphylococcus aureus, antiinfective agent, antimicrobial activity, endophyte, Salmonella typhi, Annona squamosa, Shigella flexneri, Staphylococcus epidermidis, Xanthomonas campestris, Pseudomonas, Proteus mirabilis, bacterial growth, bacterium isolate, crude ethyl acetate extract, Vibrio parahaemolyticus
Subjects: B Life Science > Microbiology
Divisions: Department of > Microbiology
Depositing User: Arshiya Kousar
Date Deposited: 19 Sep 2019 07:26
Last Modified: 19 Sep 2019 07:26
URI: http://eprints.uni-mysore.ac.in/id/eprint/8007

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