Eight genes have been identified that function in the regulation, biosynthesis, and transport
of rhizobactin 1021, a hydroxamate siderophore produced under iron stress by …

In order to identify a potential regulator of virulence gene expression in Legionella
pneumophila, the L. pneumophila homologue of the response regulator GacA, LetA, was …

Legionella pneumophila is an inhabitant of the aquatic environment and the causative agent
of a bacterial pneumonia. We identified the presence of an L. pneumophilahomologue of …

Rhizobactin 1021 is a hydroxymate siderophore produced by the soil bacterium
Sinorhizobium meliloti 2011. A regulon comprising rhtA, encoding the outer membrane …

Legionella bacteria have a developmental cycle in which they go from existing in the aquatic
environment to replicating inside eukaryotic host cells. The adaptation to the new …

Aim: To review the evidence that Helicobacter pylori promotes gastric carcinogenesis, with
particular reference to gastric epithelial proliferation. Materials and methods: Gastric …

The unpredictable course of inflammatory bowel disease means that many patients are in
remission when they are scheduled to attend a follow-up appointment. They often face long …

The statistics that summarise probability density functions (pdfs) implied from option prices
can be used to assess market expectations about future uncertainty, asymmetry and the …

Spreads of corporate bond yields over risk-free rates are often used as a leading indicator of
macroeconomic conditions. The large widening of spreads within the US high-yield bond …

This paper analyses the differences between forward (risk-neutral expectation) and realized
variance. Four different assets are examined: S&P 500, FTSE 100, eurodollar and short …