Bartonellaceae
Absence of zoonotic Bartonella species in questing ticks: first detection of Bartonella clarridgeiae and Rickettsia felis in cat fleas in the Netherlands. (1/3)
(+info)Proposals to unify the genera Grahamella and Bartonella, with descriptions of Bartonella talpae comb. nov., Bartonella peromysci comb. nov., and three new species, Bartonella grahamii sp. nov., Bartonella taylorii sp. nov., and Bartonella doshiae sp. nov. (2/3)
Polyphasic methods were used to examine the taxonomic positions of three newly identified Grahamella species. A comparison of the 16S rRNA gene sequences of these organisms with the sequences available for other bacteria revealed that these three species form a tight monophyletic cluster with members of the genus Bartonella. This cluster is only remotely related to other members of the order Rickettsiales. Determinations of the levels of DNA relatedness between Grahamella species and Bartonella species (by using a modified hydroxyapatite method) revealed that all of the species belonging to these two genera are distinct but closely related. On the basis of these data and the results of guanine-plus-cytosine content and phenotypic characterization studies, we propose that the genera Grahamella and Bartonella should be unified and that the latter name should be retained. Bartonella talpae and Bartonella peromysci, new combinations for former Grahamella species, are created, and the following three new Bartonella species are described: Bartonella grahamii, Bartonella taylorii, and Bartonella doshiae. A taxonomic analysis of Grahamella species complete the study of all members of the family Bartonellaceae, and the results of this study support the proposal that the family should be transferred out of the order Rickettsiales. (+info)Proposals to unify the genera Bartonella and Rochalimaea, with descriptions of Bartonella quintana comb. nov., Bartonella vinsonii comb. nov., Bartonella henselae comb. nov., and Bartonella elizabethae comb. nov., and to remove the family Bartonellaceae from the order Rickettsiales. (3/3)
DNA hybridization data (hydroxyapatite method, 50 to 70 degrees C) indicate that Rickettsia prowazekii, the type species of the type genus of the family Rickettsiaceae, is substantially less closely related to Rochalimaea species than was previously thought. The levels of relatedness of Rickettsia prowazekii to Rochalimaea species and to Bartonella bacilliformis under optimal conditions for DNA reassociation were 0 to 14%, with 25.5% or greater divergence in related sequences. When stringent reassociation criteria were used, the levels of relatedness were 0 to 2%. The genera Bartonella and Rochalimaea are currently classified in different families (the Bartonellaceae and the Rickettsiaceae) in the order Rickettsiales. On the basis of DNA relatedness data, previous 16S rRNA sequence data, guanine-plus-cytosine contents, and phenotypic characteristics, neither Bartonella bacilliformis nor Rochalimaea species are closely related to other organisms currently classified in the order Rickettsiales. In fact, the closest relative of these organisms is Brucella abortus. It is therefore proposed that the family Bartonellaceae should be removed from the order Rickettsiales. Previous 16S rRNA sequence data and DNA hybridization data revealed high levels of relatedness between Bartonella bacilliformis and the four Rochalimaea species, indicating that these species are members of a single genus. It is proposed that the genus Rochalimaea should be united with the genus Bartonella in the family Bartonellaceae. The name Bartonella is retained as the genus name since it has nomenclatural priority over the name Rochalimaea. This means that new combinations for the Rochalimaea species must be created. Proposals are therefore made for the creation of Bartonella quintana comb. nov., Bartonella vinsonii comb. nov., Bartonella henselae comb. nov., and Bartonella elizabethae comb. nov. (+info)The most common types of Bartonellaceae infections include:
1. Cat-scratch disease: This is a bacterial infection caused by Bartonella henselae, which is transmitted through the scratch or bite of an infected cat. Symptoms include swollen lymph nodes, fever, and fatigue.
2. Carriker's epitheliotropic with papular and pustular lesions (CEPPL): This is a rare infection caused by Bartonella asaccharolytica, which affects the skin and causes papules and pustules.
3. Bacillary angiomatosis: This is a rare infection caused by Bartonella quintana, which affects the blood vessels and can cause skin lesions, fever, and fatigue.
4. Endocarditis: This is a rare infection that affects the inner lining of the heart and is caused by Bartonella endocardinitidis.
Bartonellaceae infections are diagnosed through a combination of physical examination, medical history, and laboratory tests such as blood cultures and polymerase chain reaction (PCR) assays. Treatment typically involves antibiotics, and the prognosis is generally good if the infection is caught early and treated appropriately.
Preventive measures include avoiding contact with infected cats, especially if they have scratched or bitten you, and seeking medical attention promptly if you experience any symptoms of Bartonellaceae infection.
Bartonella
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Bartonella gabonensis
Bartonella tamiae
Bartonella heixiaziensis
Candidatus Bartonella mayotimonensis
Candidatus Bartonella thailandensis
Candidatus Bartonella merieuxii
Candidatus Bartonella antechini
Bartonella fuyuanensis
Bartonella silvicola
Bartonella rochalimae
Bartonella kosoyi
Candidatus Bartonella breitschwerdtii
Candidatus Bartonella monaxi
Bartonella apis
Bartonella talpae
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Proposals to unify the genera Bartonella and Rochalimaea, with descriptions of Bartonella quintana comb. nov., Bartonella...
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- The genera Bartonella and Rochalimaea are currently classified in different families (the Bartonellaceae and the Rickettsiaceae) in the order Rickettsiales. (nih.gov)