Enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) cause
significant morbidity and mortality worldwide (18, 60, 63). Though these E. coli pathotypes …

Transcriptional factors play an important role in gene regulation in all organisms, especially
in Bacteria. Here special emphasis is placed in the AraC/XylS family of transcriptional …

Pro accumulation in plants is a well-documented physiological response to osmotic stress
caused by drought or salinity. In Arabidopsis (Arabidopsis thaliana), the stress and ABA …

Under iron limitation, the opportunistic human pathogen Pseudomonas aeruginosa
produces the siderophore pyochelin. When secreted into the extracellular environment …

Microcolony formation is one of the initial steps in biofilm development, and in
enteropathogenic Escherichia coli (EPEC) it is mediated by several adhesins, including the …

When pathogens enter the host, sensing of environmental cues activates the expression of
virulence genes. Opposite transition of pathogens from activating to non-activating …

Escherichia coli enteropatógena (EPEC) es una de las principales causas de diarrea en
niños menores de dos años en países en vías de desarrollo. La principal característica …

Salmonella enterica serovar Typhimurium causes gastroenteritis and systemic infections in
humans. For this bacterium the expression of a type III secretion system (T3SS) and effector …

The Gram‐negative, curved rod Vibrio cholerae causes the severe diarrhoeal disease
cholera. The two major virulence factors produced by V. cholerae during infection are the …

In a very long time after its first discovery by a Bavarian pediatrician in the late 19th century,
Escherichia coli was recognized as a harmless bacterial species and as a normal flora in the …