Streptobacillus

Streptobacillus is a genus of Gram-negative bacteria that is part of the family Leptotrichiaceae. The most well-known species within this genus is Streptobacillus moniliformis, which is the causative agent of Rat-bite fever and Haverhill fever.

Characteristics

Streptobacillus bacteria are rod-shaped and often form chains or filaments. They are facultative anaerobes, meaning they can survive in both oxygen-rich and oxygen-poor environments. They are also fastidious bacteria, requiring specific nutrients to grow.

Pathogenicity

Streptobacillus moniliformis is the most pathogenic species within the Streptobacillus genus. It is transmitted to humans through the bite of an infected rat, leading to the disease known as rat-bite fever. Symptoms of this disease include fever, vomiting, headache, and muscle pain. If left untreated, it can lead to serious complications such as endocarditis and meningitis.

Treatment

Treatment for infections caused by Streptobacillus moniliformis typically involves antibiotics such as penicillin or tetracycline. In severe cases, hospitalization may be required.

See also

• Rat-bite fever
• Haverhill fever
• Leptotrichiaceae
• Gram-negative bacteria

References

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