Yersinia

HISTORY: The genus Yersinia, named after the bacteriologist Alexandre Yersin who first isolated in 1894 the plague bacillus, was proposed in 1944 and formalized in 1974 after the breakup ...

Vibrio

DEFINITIONS AND CLASSIFICATION: The family Vibrionaceae: It includes gram-negative bacilli, mobile or mixed with polar cilia, optional aero-anaerobic growing on ordinary media, reducing ...

Kingella

This genus has been described by Henriksen and Bovre in 1976. Appearing in pairs or short chains, that Gram-negative bacilli tend to resist fading. Still, according to the usual criteria, ...

Pseudomonas genus

I – GENERAL CHARACTERISTICS: A – Definition: Gram-negative bacilli, by a polar mobile ciliature rarely still, non-spore forming. Chemo-organotrophic bacteria with a strictly ...

General information on Clostridium

Clostridium are Gram-positive spore forming bacilli, anaerobes. I – CLASSIFICATION: Among the bacilli and gram-positive cocci forming endospores, there are different kinds: Bacilli ...

Francisella Tularensis

Francisella tularensis was isolated after the occurrence of a new disease, pseudo-plague squirrel, observed in Tulare County, California in 1911. In 1921, Francis, American bacteriologist, ...

Enterobacteriaceae

I – DEFINITION AND CLASSIFICATION: The Enterobacteriaceae family consists of bacterial genera that are assembled because of their common bacteriological characters. – These ...

Clostridium Tetani

Clostridium tetani, formerly known as bacillus Nicolaier, is a gram-positive bacillus spore forming, anaerobic strict, which releases a neurotropic exotoxin entramant a formidable poisoning: ...
Campylobacter

Campylobacter

HISTORY: In 1913 a mobile bacillus Vibrio-like, was made responsible for the epizootic bovine abortions tasks. This bacillus was designated as Vibrio fetus by Smith and Taylor (USA) ...

Bordetella

HISTORY: In 1900 Bordet described a Gram-negative bacilli such as whooping cough agent. In 1906 Bordet and Gengou have managed to grow the bacillus on an agar medium containing peptone ...
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