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Microbial diversity and isolation of multiple metal-tolerant bacteria from surface and underground pits within the copper mining and smelting complex Bor

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2013
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Authors
Bajkic, Sanja
Narancic, Tanja
Dokic, Lidija
Đorđević, Dragana
Nikodinović-Runić, Jasmina
Moric, Ivana
Vasiljevic, Branka
Article (Published version)
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Abstract
The bacterial diversity of the surface and deep sediment of the Copper Mining and Smelting Complex Bor, Serbia, was investigated using culture-dependent and culture-independent approaches. Sequencing analysis of 16S rDNA libraries revealed greater bacterial diversity in the surface sediment of the mining complex (MS) in comparison to deeper mine sediment (MU). While in the MS sample members of seven different phylogenetic groups were detected, in the MU sample library representatives of only three different groups were detected. The use of a culture-dependent approach revealed the presence of only three bacterial groups in both samples: Actinobacteria, Firmicutes and Proteobacteria, while six isolates exhibiting the highest metal tolerance were members of Arthrobacter and Staphylococcus genera. The most promising isolate, MSI08, was able to grow in the presence of high concentrations of Cd2+ (535 μM), Ni2+(17 mM) and Cr6+ (38.5 mM) and as such this indigenous strain has potential in th...e bioremediation of the contaminated surrounds of the city of Bor.

Keywords:
Copper mine / bacterial diversity / heavy metal tolerance / Staphylococcus
Source:
Archives of Biological Sciences, 2013, 65, 1, 375-386
Publisher:
  • Inst Bioloska Istrazivanja Sinisa Stankovic, Beograd
Projects:
  • Microbial diversity study and characterization of beneficial environmental microorganisms (RS-173048)

DOI: 10.2298/ABS1301375B

ISSN: 0354-4664

WoS: 000312046300044

Scopus: 2-s2.0-84873253250
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1306
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