منابع مشابه
Tolerance of Heavy Metals by Gram Positive Soil Bacteria
With the intention of screening for heavy metal tolerance, a number of bacteria were isolated and characterized from a pristine soil. Two Gram positive isolates were identified as Paenibacillus sp. and Bacillus thuringeinsis. Tolerance of Cd, Cu and Zn by these bacteria was studied and found that both bacteria were highly sensitive to Cu compared to other two metals. Both bacteria showed the sa...
متن کاملHeavy Metals Toxicity
A heavy metal is a member of a loosely defined subset of elements that exhibit metallic properties. It mainly includes the transition metals, some metalloids, lanthanides, and actinides. Many different definitions have been proposed based on density, atomic number or atomic weight, and some on chemical properties. Heavy metal toxicity can result in damaged central nervous function, lower energy...
متن کاملIsolation and molecular characterization of bacteria to heavy metals isolated from soil samples in Bokaro Coal Mines, India
In recent years, environmental pollution by coal mining is a long-established human activity affecting all levels of life with various environmental impacts by generating heavy metals. The presence of heavy metals even in trace amount is toxic and detrimental to all living organisms. The coal mine area in Bokaro is one of the “Toxic Hotspot” in India. Bacteria have evolved uptake and efflux mec...
متن کاملIsolation and molecular characterization of bacteria to heavy metals isolated from soil samples in Bokaro Coal Mines, India
In recent years, environmental pollution by coal mining is a long-established human activity affecting all levels of life with various environmental impacts by generating heavy metals. The presence of heavy metals even in trace amount is toxic and detrimental to all living organisms. The coal mine area in Bokaro is one of the “Toxic Hotspot” in India. Bacteria have evolved uptake and efflux mec...
متن کاملAdaptation of soil biological nitrification to heavy metals.
The adaptive response of soil biological nitrification to Zn and Pb was assessed using an in situ method we have developed. The method is based on reinoculating a sterilized metal contaminated soil with the same soil that is either uncontaminated or has been incubated with metal. This approach excludes the potentially confounding effects of metal aging reactions in soils. We found added Zn conc...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1981
ISSN: 0378-1097
DOI: 10.1016/0378-1097(81)90112-9