RSSBacteria

LISTERIA

| February 2, 2013

What is Listeria? Listeria is a genus of Gram-positive, rod-shaped bacteria, containing a number of species including L. monocytogenes, L. innocua, L. welshimeri, L. seeligeri, L. ivanovii and L. grayi. Although the first four of these have all been implicated in human infection nearly all cases of Listeria infection are caused by L. monocytogenes. At […]

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SALMONELLA

| February 2, 2013

What is Salmonella? Salmonella is a Gram-negative rod-shaped bacterium belonging to a family called the Enterobacteriaceae, but it is not included in the group of bacteria referred to as coliforms. Salmonella is one of the principal causes of foodborne illness worldwide and is also an important pathogen of livestock, causing infections that can be transmitted […]

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ESCHERICHIA COLI

| January 30, 2013

Escherichia coli, better known as E. coli, are Gram negative, rod-shaped bacteria belonging to the family Enterobacteriaceae. Escherichia species are also included in the group of genera referred to as the coliforms. Not all E. coli cause disease: the species is found as part of the normal, healthy human gut flora as well as in the environment.

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CAMPYLOBACTER

| January 30, 2013

What is Campylobacter? Campylobacter is a genus of Gram-negative, spiral-shaped bacteria containing at least 16 different species, some of which, especially C. jejuni, but also C. coli, C. lari, C. hyointestinalis and C. upsaliensis, may cause gastroenteritis in humans. Campylobacter is now the leading cause of bacterial gastroenteritis in many developed countries. Campylobacter is unique […]

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