Bacillum

Bacillum is a term used to describe a rod-shaped bacterium. These bacteria are characterized by their cylindrical shape, which can vary in length and width. Bacilli are a diverse group of bacteria that can be found in various environments, including soil, water, and as part of the normal flora of the human body.

Characteristics

Bacilli are typically Gram-positive, although some can be Gram-negative. They can form endospores, which are resistant to harsh environmental conditions, allowing them to survive in extreme environments. Bacilli can be aerobic or anaerobic, depending on their metabolic requirements.

Classification

Bacilli belong to the class Bacilli within the phylum Firmicutes. This class includes several important genera, such as:

• Bacillus
• Clostridium
• Listeria
• Staphylococcus

Pathogenicity

Some bacilli are pathogenic and can cause diseases in humans, animals, and plants. Notable pathogenic bacilli include:

• Bacillus anthracis, the causative agent of anthrax
• Clostridium botulinum, which produces the toxin responsible for botulism
• Listeria monocytogenes, which can cause listeriosis

Applications

Bacilli have various applications in industry and medicine. For example, Bacillus subtilis is used in the production of enzymes and antibiotics, while Bacillus thuringiensis is used as a biological pesticide.

See also

• Bacillus
• Coccus
• Spirillum
• Bacterial morphology
• Gram staining

Related pages

• Bacillus
• Clostridium
• Listeria
• Staphylococcus
• Anthrax
• Botulism
• Listeriosis