The molecular characterisation of Escherichia coli K1 isolated from neonatal nasogastric feeding tubes.

Background: The most common cause of Gram-negative bacterial neonatal meningitis is E. coli K1. It has a mortality rate of 10-15 %, and neurological sequelae in 30-50 % of cases.

Adherence to and invasion of human intestinal cells by Arcobacter species and their virulence genotypes.

The genus Arcobacter is composed of 17 species which have been isolated from various sources. Of particular interest are A. butzleri, A.