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Prikladnaia Biokhimiia Mikrobiologiia
Vol. 48 ,No: 1, 2012, Pages: 51-8

Isolation, identification and characterization of fluoride resistant bacteria: possible role in bioremediation

Chouhan S, Tuteja U, Flora SJ

Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior-474 002, India.


Microorganisms found in industrial effluents and near the sites of the contamination can be used to indicate pollution and detoxify the contaminated water resources. Emergence of xenobiotic resistant bacteria among them might be potential application in bioremediation. The objective of this study was to isolate and characterize fluoride resistant bacteria from soil and water samples of different regions of India. Five isolates were recovered from different samples which were found to be fluoride resistant. Two of them effectively reduced the fluoride from their media. Through the current study it can be predicted that fluoride pollution results in selective pressure that leads to the development of fluoride resistant among bacterial populations, probably through the mechanism which involved high affinity anion binding compounds called ionophores. Resistant microbes may play a bioremediative role by transforming and concentrating these anions so that they are less available and less dangerous.

Keywords:Microorganisms found in industrial effluents;potential application in bioremediation;fluoride resistant bacteria from soil.



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