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Clostridium is a genus of anaerobic, Gram-positive bacteria.Species of Clostridium inhabit soils and the intestinal tracts of animals, including humans. [1] This genus includes several significant human pathogens, including the causative agents of botulism and tetanus.
Genus Oxobacter: Clostridium pfennigii, reassigned in 1994. Genus Romboutsia: Clostridium lituseburense, reassugned in 2014. Genus Sarcina: Clostridium maximum and C. ventriculi. Originally described in Sarcina, proposed to be moved to Clostridium in 2016 but remained due to Sarcina being the older genus.
Notable species of this class include: [citation needed] Clostridium perfringens (gangrene, food poisoning) Clostridioides difficile (pseudomembranous colitis) Clostridium tetani ; Clostridium botulinum ; Clostridium acetobutylicum (acetone–butanol–ethanol fermentation, or ABE process) Clostridium haemolyticum
The Clostridiaceae are a family of the bacterial class Clostridia, and contain the genus Clostridium.. The family Clostridiaceae (scientific name) defined by the taxonomic outline of Bergey's Manual of Systematic Bacteriology contains as its core the genus Clostridium (sensu stricto), as well as Acetivibrio, Acidaminobacter, Alkaliphilus, Anaerobacter, Caloramator, Caloranaerobacter ...
Clostridium perfringens (formerly known as C. welchii, or Bacillus welchii) is a Gram-positive, bacillus (rod-shaped), anaerobic, spore-forming pathogenic bacterium of the genus Clostridium. [ 1 ] [ 2 ] C. perfringens is ever-present in nature and can be found as a normal component of decaying vegetation, marine sediment , the intestinal tract ...
Clostridioides difficile (syn. Clostridium difficile) is a bacterium known for causing serious diarrheal infections, and may also cause colon cancer. [4] [5] It is known also as C. difficile, or C. diff (/ s iː d ɪ f /), and is a Gram-positive species of spore-forming bacteria. [6]
Clostridium tetani is a common soil bacterium and the causative agent of tetanus. Vegetative cells of Clostridium tetani are usually rod-shaped and up to 2.5 μm long, but they become enlarged and tennis racket - or drumstick-shaped when forming spores .
Wound infection by C novyi and many other clostridium species cause gas gangrene [17] Spontaneous infection is mostly associated with predisposing factors of hematologic or colorectal malignancies and with diabetes mellitus, [18] although Gram-negative organisms, including Escherichia coli, may lead to a gas gangrene-like syndrome in diabetic ...