Streptobacillus | |
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Streptobacillus Numbered ticks are 11 µm apart | |
Scientific classification | |
Domain: | Bacteria |
Phylum: | Fusobacteriota |
Class: | Fusobacteriia |
Order: | Fusobacteriales |
Family: | Leptotrichiaceae |
Genus: | Streptobacillus Levaditi, Nicolau & Poincloux 1925 |
Type species | |
Streptobacillus moniliformis Levaditi, Nicolau & Poincloux 1925 | |
Species [1] | |
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Synonyms | |
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Streptobacillus is a genus of fastidious microaerophilic Gram-negative bacteria, which grow in culture as rods in chains. [2]
Their species associated with infection is S. moniliformis.
Their reported susceptibilities and therapies are penicillin and erythromycin.
Associated infections: the Haverhill fever form of rat bite fever. (Notes Spirillum minus is also an agent of rat bite fever, in the form known as Sodoku.)
Haverhill fever, which is characterized by fever, rash, chills, headache, vomiting, muscle pain, arthritis, and bacteremia, and by weight loss and diarrhea in children.
Rat bite fever is caused by either Streptobacillus moniliformis or Spirillum minor . The incidence of rat-bite fever is highest in urban areas with poor sanitation where the rat population is high, however in recent times cases have also been attributed to occupational contact with rodents such as pet shop employees or laboratory workers or through pet ownership. [3]
While the disease is usually caused by a bite, it can also occur from close contact with rodents or ingestion of contaminated food or water. The latter is known as Haverhill fever. The disease typically presents with chills and fever accompanied by headache, vomiting, and muscle pain. A rash and arthritis develop 2–4 days after the initial onset. Less commonly the infection can cause pneumonitis, endocarditis or meningitis. As these symptoms are common to many febrile diseases, this is often classified as a fever of unknown origin (FUO). If untreated, death will occur in approximately 10% of cases. [4]
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [5] and National Center for Biotechnology Information (NCBI) [1]
16S rRNA based LTP_08_2023 [6] [7] [8] | 120 marker proteins based GTDB 08-RS214 [9] [10] [11] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Spirochaeta is a genus of bacteria classified within the phylum Spirochaetota.
Ureaplasma is a genus of bacteria belonging to the family Mycoplasmataceae. As the name implies, Ureaplasma is urease positive.
Desulfovibrionales are a taxonomic order of bacteria belonging to the phylum Thermodesulfobacteriota, with four families. They are Gram-negative. The majority are sulfate-reducing, with the exception of Lawsonia and Bilophila. All members of this order are obligately anaerobic. Most species are mesophilic, but some are moderate thermophiles.
The Spirochaetales are an order of spirochete bacteria. Some species within this order are known to causes syphilis, Lyme disease, relapsing fever, and other illnesses.
Rat-bite fever (RBF) is an acute, febrile human illness caused by bacteria transmitted by rodents, in most cases, which is passed from rodent to human by the rodent's urine or mucous secretions. Alternative names for rat-bite fever include streptobacillary fever, streptobacillosis, spirillary fever, bogger, and epidemic arthritic erythema. It is a rare disease spread by infected rodents and caused by two specific types of bacteria:
Sodoku is a bacterial zoonotic disease. It is caused by the Gram-negative rod Spirillum minus. It is a form of rat-bite fever (RBF).
The Thermoactinomycetaceae are a family of Gram-positive endospore-forming bacteria.
The Erysipelotrichaceae are a family of Gram-positive bacteria.
The Chlamydiaceae are a family of gram-negative bacteria that belongs to the phylum Chlamydiota, order Chlamydiales. Chlamydiaceae species express the family-specific lipopolysaccharide epitope αKdo-(2→8)-αKdo-(2→4)-αKdo. Chlamydiaceae ribosomal RNA genes all have at least 90% DNA sequence identity. Chlamydiaceae species have varying inclusion morphology, varying extrachromosomal plasmid content, and varying sulfadiazine resistance.
The Spirochaetaceae are a family of spirochete bacteria. Some species within this family are known to causes syphilis, Lyme disease, relapsing fever, and other illnesses.
Haverhill fever is a systemic illness caused by the bacterium Streptobacillus moniliformis, an organism common in rats and mice. If untreated, the illness can have a mortality rate of up to 13%. Among the two types of rat-bite fever, Haverhill fever caused by Streptobacillus moniliformis is most common in North America. The other type of infection caused by Spirillum minus is more common in Asia and is also known as Sodoku.
Spirillum minus is an organism associated with rat-bite fever that has never been fully identified and was assigned to the genus Spirillum in 1887 based on morphology, although it is not a validly published name. As Spirillum species generally obligately microaerophiles and are not found in mammals, this organism may be misclassified. Sequencing data should help to resolve this question.
Streptobacillus moniliformis is a non-motile, Gram-negative rod-shaped bacterium that is a member of the family Leptotrichiaceae. The genome of S. moniliformis is one of two completed sequences of the order Fusobacteriales.
The Solirubrobacterales are an order of Actinomycetota.
The Erysipelotrichia are a class of bacteria of the phylum Bacillota. Species of this class are known to be common in the gut microbiome, as they have been isolated from swine manure and increase in composition of the mouse gut microbiome for mice switched to diets high in fat.
Pelosinus is a genus of Bacillota bacteria classified within the class Negativicutes.
The Nautiliaceae are a family of bacteria placed in an order to itself, Nautiliales, or in the order Campylobacterales. The members of the family are all thermophilic.
Cutibacterium is a bacterial genus from the family of Propionibacteriaceae.
Nocardioidaceae is a family of Gram-positive bacteria within the class Actinomycetia.
Euzebya is a genus of Gram-positive bacteria.
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