International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 5, Issue:9, September, 2016

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(9): 369-379

Bacterial Tolerance to Chromium and Cadmium in Different Textural Soils
Tanjila Jesmin1* and Sirajul Hoque2
1Department of Crop Science, University of Illinois at Urbana-Champaign, USA
  2Department of Soil, Water and Environment, University of Dhaka, Bangladesh
*Corresponding author

This study intends to quantify the tolerance of six bacterial strains to chromium (Cr6+) and cadmium (Cd2+) in three different soils (sandy loam, silt loam, silty clay loam). In this experiment, chromium and cadmium were selected as the heavy metals since these metals are generally discharged from industries like tannery, textiles, dying factories etc. in the city of Dhaka. The six bacterial strains, named as A1, A2, A3 were collected from agricultural soil and C1, C2, C3 were procured from industrial contaminated soil which were acquired from the stock of soil microbiology laboratory at University of Dhaka, and identified at molecular level by Tanu and Hoque (2013).Among the six bacterial strains, five samples were belonged to the Bacillus species; whereas, the remaining one fell into Micrococcus species. Three representative agricultural soil samples which were tested for heavy metal tolerance under different intervals of incubation, were collected from Dhamrai, Khustia and Gopalgonj. Bacterial tolerance to Cr6+ and Cd2+ in different soils exhibited different trends with varying incubation periods. Test results indicate that both Bacillus (A1), and Micrococcus(C3) showed the highest tolerance to heavy metals in silty clay loam soil.

Keywords: Bacterial strain, Heavy metals, Contamination, Incubation, Tolerance.

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How to cite this article:

Tanjila Jesmin and Sirajul Hoque. 2016. Bacterial Tolerance to Chromium and Cadmium in Different Textural Soils.Int.J.Curr.Microbiol.App.Sci. 5(9): 369-379. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.