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Title: A high manganese-tolerant pseudomonas sp. strain isolated from metallurgical waste heap can be a tool for enhancing manganese removal from contaminated soil
Authors: Noszczyńska, Magdalena
Łakomy, Karolina
Nowacki, Krzysztof
Piotrowska-Seget, Zofia
Keywords: heavy metals; bacteria; biosorption
Issue Date: 2020
Citation: "Applied Sciences (Basel)", (2020), Vol. 10, iss. 16, art. no. 5717, s. 1-17
Abstract: Manganese (Mn) is widely used in industry. However, its extensive applications have generated a great amount of manganese waste, which has become an ecological problem and has led to a decrease in natural resources. The use of microorganisms capable of accumulating Mn ions from contaminated ecosystems o ers a potential alternative for the removal and recovery of this metal. The main aim of this work was an investigation of removal potential of Mn from soil by isolated bacterial. For this purpose, eleven bacterial strains were isolated from the soil from metallurgical waste heap in Upper Silesia, Poland. Strain named 2De with the highest Mn removal potential was selected and characterized taking into account its ability for Mn sorption and bioaccumulation from soil and medium containing manganese dioxide. Moreover, the protein profile of 2De strain before and after exposition to Mn was analyzed using SDS/PAGE technique. The 2De strain was identified as a Pseudomonas sp. The results revealed that this strain has an ability to grow at high Mn concentration and possesses an enhanced ability to remove it from the solution enriched with the soil or manganese dioxide via a biosorption mechanism. Moreover, changes in cellular protein expression of the isolated strain were observed. This study demonstrated that autochthonous 2De strain can be an e ective tool to remove and recover Mn from contaminated soil.
DOI: 10.3390/app10165717
ISSN: 2076-3417
Appears in Collections:Artykuły (WNP)

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