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A haloalkaliphilic, thermophilic Bacillus strain (T14), isolated from a shallow hydrothermal vent of Panarea Island (Italy), produced a new exopolysaccharide (EPS). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain T14 was highly related (99 % similarity) to Bacillus licheniformis DSM 13T and Bacillus sonorensis DSM 13779T. Further(More)
The prokaryotic cells distribution in the water column of the coastal saline meromictic Lake Faro (Messina, Italy) was investigated by microscopic counting techniques. Water samples were collected at a central station from the surface to the bottom, when waters were characterized by a marked stratification. A “red-water” layer, caused by a dense growth of(More)
To investigate the prokaryotic community structure and composition in an active hydrothermal site, named Black Point, off Panarea Island (Eolian Islands, Italy), we examined sediment and fluid samples, differing in temperature, by a massive parallel sequencing (Illumina) technique targeting the V3 region of the 16S rRNA gene. The used technique enabled us(More)
Extreme marine environments, such as the submarine shallow vents of the Eolian Islands (Italy), offer an almost unexplored source of microorganisms producing unexploited and promising biomolecules for pharmaceutical applications. Thermophilic and thermotolerant bacilli isolated from Eolian vents are able to produce exopolysaccharides (EPSs) with antiviral(More)
Byers Peninsula (Livingston Island, Antarctica), the largest seasonally ice-free region of the Maritime Antarctica, holds a large number of lakes, ponds, and streams. The prokaryotic structure and bacterial diversity in sediment samples collected during the 2008–2009 austral summer from five inland lakes, two coastal lakes, and an estuarine site were(More)
Several compounds from marine organisms have been studied for their potential use in aquaculture. Among the red algae, Asparagopsis taxiformis is considered one of the most promising species for the production of bioactive metabolites with numerous proposed applications. Here, the in vitro antibacterial activity, the easy handling and the absence of adverse(More)
Hot Lake is a recently described thermal brine pool off Panarea Island (Eolian Islands, Italy) where emitted fluids are highly saline and rich in CO2 and H2S. The prokaryotic community composition in surface sediment samples was analyzed by high-throughput Illumina sequencing targeting the V3 region of the 16S rRNA at two time points that differed mainly(More)
The development of antibiofilm strategies is of major interest in contrasting bacterial pathogenic biofilms. A novel fructose and fucose rich exopolysaccharide (EPS1-T14) produced by the recently described thermophilic Bacillus licheniformis T14, isolated from a shallow hydrothermal vent of Panarea Island (Eolian Island, Italy), was evaluated for its(More)
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