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Impact of Mycobacterium ulcerans biofilm on transmissibility to ecological niches and Buruli ulcer pathogenesis

Stewart Cole, Petra Tafelmeyer

The role of biofilms in the pathogenesis of mycobacterial diseases remains largely unknown. Mycobacterium ulcerans, the etiological agent of Buruli ulcer, a disfiguring disease in humans, adopts a biofilm-like structure in vitro and in vivo, displaying an ...
2007

Physical constraints affecting bacterial habitats and activity in unsaturated porous media – a review

Dani Or

The immense diversity of microbial life found in the vadose zone reflects the extremely heterogeneous and highly dynamic aquatic and chemical environments formed within soil pore spaces. The notion of planktonian free swimming microbes is unrealistic under ...
2007

Cyanobacterial Natural Products for the Inhibition of Biofilm Formation and Biofouling

Karl Gademann

Biofouling is defined by the non-specific attachment of biological material (proteins, carbohydrates, prokaryotic cells and higher organisms) to surfaces upon their exposure to any biological fluid. Biofouling is a serious problem in many areas ranging fro ...
2007

Intracellular pattern recognition receptors in the host response

Etienne Meylan

The innate immune system relies on its capacity to rapidly detect invading pathogenic microbes as foreign and eliminate them. Indeed, Toll-like receptors are a class of membrane receptors that sense extracellular microbes and trigger anti-pathogen signalli ...
2006

Characterization of H+ and Cd2+ Binding Properties of Bacterial Exopolymers

Cristina Lamelas

The proton and Cd binding capacities of microbially produced exopolysaccharides, EPS, were quantified by the determination of complex stability constants and the concentration of complexing sites using H+ or Cd2+ selective electrodes in dynamic titrations. ...
2006

Do Exudates Mitigate Cd Biouptake by Rhizobacterium Sinorhizobium melilotii?

To better understand the role of exudates in Cd speciation and biouptake by bacterium Sinorhizobium meliloti, the content of different exudate components including siderophores, proteins and polysaccharides were quantified in absence and presence of 10M C ...
2006

Role of extra-polymeric substances (EPS) on the microbial activity in unsaturated porous media

Dani Or

Microbes form colonies to pool resources and better cope with changes in environmental conditions including nutrient availability and hydration status. The excretion of extracellular polymeric substances (EPS) plays an important role in forming colony stru ...
2005

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