THE ISOLATION OF CADMIUM RESISTANT BACTERIA FROM SOIL AND ACTIVATED SLUDGE AND DETERMINING OF ABSORPTION SYNETHIC

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JABBARI NEZHAD KERMANI A.; FAEZI GHASEMI M.; SHAKIBAIE M.R.; KHOSRAVAN A.; FARAHMAND A.

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Journal: Biotechnological Journal of Environmental Microorganisms Year:2012 | Volume: | Issue: Page(s): 11-20

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Title

THE ISOLATION OF CADMIUM RESISTANT BACTERIA FROM SOIL AND ACTIVATED SLUDGE AND DETERMINING OF ABSORPTION SYNETHIC

Author(s)

Keywords

CADMIUMQ2

RESISTANCEQ2

ACTIVE SLUDGEQ2

PSEUDOMONAS AERUGINOSAQ3

Abstract

Removal of poisonous metals by bacteria for decreasing soil and environmental pollution is cheaper and more efficiency than the other proposed methods. The aim of this study was screening of CADMIUM resistant bacteria, assessment of minimum inhibitory concentration of growth (MIC) and determination of kinetic metal adsorption of bacteria. Samplings have gotten from soil, ACTIVE SLUDGE or both of them from six various industrial factories. All of these samples were measured for amount of CADMIUM and were cultured with two methods, enrichment and serial dilution in Muller-Hinton agar medium containing various concentrations of CADMIUM sulphate for screening of resistant bacteria, (MIC) was determined and the bacteria were identified by biochemical and morphological tests. Metal adsorption kinetic was measured by wet bacteria which had the most resistant in 30, 45 and 60 mg/L from CADMIUM soluble. The findings showed that among six factories, only a food factory without any CADMIUM in soil and ACTIVE SLUDGE, had five CADMIUM resistant bacteria. Enrichment method rather than serial dilution method could isolate bacteria in a shorter time and also more resistant bacteria were isolated in higher concentrations of CADMIUM. Among these bacteria, Pseudomonas aeroginosa had the most resistant to CADMIUM (MIC=6 mM). The metal adsorption kinetic of bacteria showed that amounts of metal adsorption by P.aeruginosa in 30, 45 and 60 mg/L were 76.03%, 63.64% and 38.68% respectively. These data were followed by Langmuir isotherm equation. we can use P.aeruginosa in polluted wastewaters of various industries.

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APA: Copy

JABBARI NEZHAD KERMANI, A., FAEZI GHASEMI, M., SHAKIBAIE, M.R., KHOSRAVAN, A., & FARAHMAND, A.. (2012). THE ISOLATION OF CADMIUM RESISTANT BACTERIA FROM SOIL AND ACTIVATED SLUDGE AND DETERMINING OF ABSORPTION SYNETHIC. BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS, 6(1), 11-20. SID. https://sid.ir/paper/242210/en

Vancouver: Copy

JABBARI NEZHAD KERMANI A., FAEZI GHASEMI M., SHAKIBAIE M.R., KHOSRAVAN A., FARAHMAND A.. THE ISOLATION OF CADMIUM RESISTANT BACTERIA FROM SOIL AND ACTIVATED SLUDGE AND DETERMINING OF ABSORPTION SYNETHIC. BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS[Internet]. 2012;6(1):11-20. Available from: https://sid.ir/paper/242210/en

IEEE: Copy

A. JABBARI NEZHAD KERMANI, M. FAEZI GHASEMI, M.R. SHAKIBAIE, A. KHOSRAVAN, and A. FARAHMAND, “THE ISOLATION OF CADMIUM RESISTANT BACTERIA FROM SOIL AND ACTIVATED SLUDGE AND DETERMINING OF ABSORPTION SYNETHIC,” BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS, vol. 6, no. 1, pp. 11–20, 2012, [Online]. Available: https://sid.ir/paper/242210/en

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