18Dec 2017

ISOLATION, SCREENING AND CHARACTERIZATION OF HEAVY METAL RESISTANCE BACTERIA FOR THEIR POTENTIAL USE IN BIOREMEDIATION OF POLLUTED WATER.

  • Dept of Environmental Science, Dr Babasaheb Ambedkar Marathwada University, Aurangabad.
  • Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai.
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Native species of microorganism provides a potential system for the treatment of metal contaminated water. Present study was conducted to screen and characterize heavy metal resistance bacteria in order to remediate the effluent waste water. Nine strains were isolated and designated as WAs1, WCd2, WCo3, WCr4, WCu5, WHg6, WNi7, WPb8 & WZn9 based on their maximum threshold level of tolerance to each metal. These values for respective metal are Arsenic (1000 ppm), Cadmium (200 ppm), Cobalt (400 ppm), Chromium (20 ppm), Copper (100 ppm), Mercury (20 ppm), Nickel (50 ppm), Lead (1000 ppm) and Zinc (1000 ppm). The highest values with respect to arsenic and lead observed during this study are not reported so far showing the importance of the work. Maximum growth of these strains was observed at pH 7 and 370C temperature. These strains were further characterized by biochemical and morphological methods.


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[Snehal Kale, Narsingrao Bandela and Sayaji Mehetre. (2017); ISOLATION, SCREENING AND CHARACTERIZATION OF HEAVY METAL RESISTANCE BACTERIA FOR THEIR POTENTIAL USE IN BIOREMEDIATION OF POLLUTED WATER. Int. J. of Adv. Res. 5 (Dec). 869-877] (ISSN 2320-5407). www.journalijar.com


snehal kale
1Dept of Environmental Science, Dr Babasaheb Ambedkar Marathwada University, Aurangabad

DOI:


Article DOI: 10.21474/IJAR01/6033      
DOI URL: http://dx.doi.org/10.21474/IJAR01/6033