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Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Bacillota, with 266 named species.The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural Bacilli is the name of the class of bacteria to which this genus belongs.
C. botulinum is a Gram-positive, rod-shaped, spore-forming bacterium. [1] It is an obligate anaerobe, the organism survives in an environment that lacks oxygen.However, C. botulinum tolerates traces of oxygen due to the enzyme superoxide dismutase, which is an important antioxidant defense in nearly all cells exposed to oxygen. [7]
The spore-forming bacteria can again be divided based on their respiration: Bacillus is a facultative anaerobe, while Clostridium is an obligate anaerobe. [18] Also, Rathybacter , Leifsonia , and Clavibacter are three gram-positive genera that cause plant disease.
A bacillus (pl.: bacilli), also called a bacilliform bacterium or often just a rod (when the context makes the sense clear), is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria. However, the name Bacillus, capitalized and italicized, refers to a specific genus of
Solibacillus is a genus of Gram positive, rod shaped, spore-forming bacteria. The first member of Solibacillus was first isolated in 1999, and was originally called Bacillus silvestris . However, further studies on B. silvestris found that the organism belonged in a separate genus.
B. licheniformis is a Gram positive, spore-forming, facultative anaerobic, rod-shaped bacterium. [5] [6] It was initially named Clostridium licheniforme by H. Weigmann [7] and renamed Bacillus licheniformis by Frederick D. Chester. [8]
Anoxybacillus is a genus of rod-shaped, spore-forming bacteria from the family of Bacillaceae. [ 1 ] [ 3 ] [ 4 ] Anoxybacillus occur in geothermal springs , manure and milk processing plants . [ 5 ]
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 ...