Biofilm Formation, Communication and Interactions of Mesophilic Leaching Bacteria during Pyrite Oxidation

Sören Bellenberg; Robert Barthen; Mario Vera; Nicolas Guiliani; Wolfgang Sand

doi:10.4028/www.scientific.net/AMR.825.107

Paper Titles

Environmental Impact on Soil, Water and Plants from the Abandoned Pan de Azúcar Mine
p.88

Biogenesis of Nanoparticles with Potential Applications as Semiconductor from Chalcopyrite Concentrate
p.92

Anaerobic Growth of Acidithiobacillus ferrooxidans on Pyrite
p.96

Attachment to Minerals and Biofilm Development of Extremely Acidophilic Archaea
p.103

Biofilm Formation, Communication and Interactions of Mesophilic Leaching Bacteria during Pyrite Oxidation
p.107

New Insights into the Biofilm Lifestyle and Metabolism of Acidithiobacillus Species from Analysis of High Throughput Proteomic Data
p.111

EPS Production during Adaptation of Acidithiobacillus ferrooxidans to High Ferric Ion Concentration
p.115

Galactose as Inducer of the Production of Extracellular Polymeric Substances by Acidithiobacillus ferrooxidans
p.120

Effect of Exogenous Galactose on EPS Production during Bioleaching of Pyrite by Acidithiobacillus ferrooxidans
p.125

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 825Biofilm Formation, Communication and Interactions...

Biofilm Formation, Communication and Interactions of Mesophilic Leaching Bacteria during Pyrite Oxidation

Abstract:

A functional luxIR-type Quorum Sensing (QS) system is present in Acidithiobacillus ferrooxidans. However, cell-cell communication among various acidophilic chemolithoautotrophs growing on pyrite has not been studied in detail. These aspects are the scope of this study with emphasis on the effects exerted by the N-acyl-homoserine lactone (AHL) type signaling molecules which are produced by Acidithiobacillus ferrooxidans. Their effects on attachment and leaching efficiency by other leaching bacteria, such as Acidithiobacillus ferrivorans, Acidiferrobacter spp. SPIII/3 and Leptospirillum ferrooxidans in pure and mixed cultures growing on pyrite is shown.

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Periodical:

Advanced Materials Research (Volume 825)

Pages:

107-110

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.825.107

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Online since:

October 2013

Authors:

Sören Bellenberg, Robert Barthen, Mario Vera, Nicolas Guiliani, Wolfgang Sand

Keywords:

Biofilm Formation, Mixed Culture, N-Acyl-Homoserine-Lactone, Quorum Sensing

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