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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   JANUARY 2008 , Volume 13 , Number 2 (SUPPLEMENT); Page(s) 535 To 548.
 
Paper: 

INVESTIGATION OF HEAVY METAL RESISTANCE PATTERN IN BACTERIAL ISOLATES FROM INDUSTRIAL WASTEWATER

 
 
Author(s):  TAHMOURESPOUR A., KASRA KERMANSHAHI R., NOOHI A.
 
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Abstract: 

In this research, three samples of the wastewater from famous industrial factories of Isfahan have been chosen. After specifying the amount of heavy metals, resistant bacteria have been isolated and the pattern of their resistance was assigned by MIC. Multi metal resistance has also been examined. According to the acquired results, the greatest resistance has been related to the Zn. It's maximum MIC in the second and third wastewater is 24mM that's related to the such bacteria as Coryne bacterium, Entrococcus faecalis and it's minimum MIC is 8, 12mM that's of Citrobacter and some of Bacillus. The minimum degree of resistance is related to Cu. It's maximum MIC in the second and third effluent is 4mM of Moraxella, Pseudomonas and it's minimum is arranged as 1mM related to Klebsiella pneomoniae an 2mM related to the genus of Bacillus, Providencia and Staphilococcus aureus. In examining multi metal resistant, all isolates have shown resistance to Cd, Pb and Zn (except one case). Most of resistant isolates are gram positive excluding Cu resistant bacteria.

 
Keyword(s): BACTERIAL RESISTANCE, HEAVY METAL, INDUSTRIAL WASTE WATER, MIC
 
References: 
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