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Bartonella henselae

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https://www.readbyqxmd.com/read/27885316/bartonella-endocarditis-and-pauci-immune-glomerulonephritis-a-case-report-and-review-of-the-literature
#1
REVIEW
Jillian E Raybould, Alison L Raybould, Megan K Morales, Misbah Zaheer, Michael S Lipkowitz, Joseph G Timpone, Princy N Kumar
Among culture-negative endocarditis in the United States, Bartonella species are the most common cause, with Bartonella henselae and Bartonella quintana comprising the majority of cases. Kidney manifestations, particularly glomerulonephritis, are common sequelae of infectious endocarditis, with nearly half of all Bartonella patients demonstrating renal involvement. Although a pauci-immune pattern is a frequent finding in infectious endocarditis-associated glomerulonephritis, it is rarely reported in Bartonella endocarditis...
September 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27883248/pyogranulomatous-pancarditis-with-intramyocardial-bartonella-henselae-san-antonio-2-bhsa2-in-a-dog
#2
T A Donovan, P R Fox, N Balakrishnan, M Ericson, V Hooker, E B Breitschwerdt
No abstract text is available yet for this article.
November 24, 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27872616/novel-approach-for-evaluation-of-bacteroides-fragilis-protective-role-against-bartonella-henselae-liver-damage-in-immunocompromised-murine-model
#3
Chiara Pagliuca, Annunziata G Cicatiello, Roberta Colicchio, Adelaide Greco, Raimondo Cerciello, Luigi Auletta, Sandra Albanese, Elena Scaglione, Caterina Pagliarulo, Gabiria Pastore, Gelsomina Mansueto, Arturo Brunetti, Bice Avallone, Paola Salvatore
Bartonella henselae is a gram-negative facultative intracellular bacterium and is the causative agent of cat-scratch disease. Our previous data have established that Bacteroides fragilis colonization is able to prevent B. henselae damages through the polysaccharide A (PSA) in an experimental murine model. In order to determine whether the PSA is essential for the protection against pathogenic effects of B. henselae in immunocompromised hosts, SCID mice were co-infected with B. fragilis wild type or its mutant B...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27844027/prosthetic-valve-endocarditis-caused-by-bartonella-henselae-a-case-report-of-molecular-diagnostics-informing-nonsurgical-management
#4
Patricia Bartley, Emmanouil Angelakis, Didier Raoult, Rangarajan Sampath, Robert A Bonomo, Robin L P Jump
Identifying the pathogen responsible for culture-negative valve endocarditis often depends on molecular studies performed on surgical specimens. A patient with Ehlers-Danlos syndrome who had an aortic graft, a mechanical aortic valve, and a mitral anulloplasty ring presented with culture-negative prosthetic valve endocarditis and aortic graft infection. Research-based polymerase chain reaction (PCR)/electrospray ionization mass spectrometry on peripheral blood samples identified Bartonella henselae. Quantitative PCR targeting the16S-23S ribonucleic acid intergenic region and Western immunoblotting confirmed this result...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/27790856/a-family-of-genus-specific-rnas-in-tandem-with-dna-binding-proteins-control-expression-of-the-bada-major-virulence-factor-gene-in-bartonella-henselae
#5
Nhan Tu, Ronan K Carroll, Andy Weiss, Lindsey N Shaw, Gael Nicolas, Sarah Thomas, Amorce Lima, Udoka Okaro, Burt Anderson
Bartonella henselae is a gram-negative zoonotic bacterium that causes infections in humans including endocarditis and bacillary angiomatosis. B. henselae has been shown to grow as large aggregates and form biofilms in vitro. The aggregative growth and the angiogenic host response requires the trimeric autotransporter adhesin BadA. We examined the transcriptome of the Houston-1 strain of B. henselae using RNA-seq revealing nine novel, highly-expressed intergenic transcripts (Bartonella regulatory transcript, Brt1-9)...
October 28, 2016: MicrobiologyOpen
https://www.readbyqxmd.com/read/27746451/bartonella-henselae-infective-endocarditis-detected-by-a-prolonged-blood-culture
#6
Tsutomu Mito, Yusuke Hirota, Shingo Suzuki, Kazutaka Noda, Takanori Uehara, Yoshiyuki Ohira, Masatomi Ikusaka
A 65-year-old Japanese man was admitted with a 4-month history of fatigue and exertional dyspnea. Transthoracic echocardiography revealed a vegetation on the aortic valve and severe aortic regurgitation. Accordingly, infective endocarditis and heart failure were diagnosed. Although a blood culture was negative on day 7 after admission, a prolonged blood culture with subculture was performed according to the patient's history of contact with cats. Consequently, Bartonella henselae was isolated. Bartonella species are fastidious bacteria that cause blood culture-negative infective endocarditis...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27662446/thoracic-osteomyelitis-and-epidural-abscess-formation-due-to-cat-scratch-disease-case-report
#7
David Dornbos, Jocelyn Morin, Joshua R Watson, Jonathan Pindrik
Osteomyelitis of the spine with associated spinal epidural abscess represents an uncommon entity in the pediatric population, requiring prompt evaluation and diagnosis to prevent neurological compromise. Cat scratch disease, caused by the pathogen Bartonella henselae, encompasses a wide spectrum of clinical presentations; however, an association with osteomyelitis and epidural abscess has been reported in only 4 other instances in the literature. The authors report a rare case of multifocal thoracic osteomyelitis with an epidural abscess in a patient with a biopsy-proven pathogen of cat scratch disease...
December 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27598290/-seroprevalence-of-bartonella-henselae-in-occupational-risk-persons
#8
Ignacio Troncoso, Christof Fischer, Francisca Arteaga, Cristian Espinoza, Teresa Azócar, Katia Abarca
INTRODUCTION: Bartonella henselae infection is a worldwide zoonosis with the domestic cat as reservoir. Although people with occupational contact with these pets are risk population only few studies of prevalence in them have been reported. METHODS: A study of seroprevalence of B. henselae was performed to veterinaries and other persons with occupational contact with cats, residents from the Bío-Bío region of Chile. Serum IgG antibodies against B. henselae were determined by indirect immunofluorescence (IFI)...
June 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27598022/role-of-whole-body-mr-with-dwibs-in-child-s-bartonellosis
#9
E Rossi, A Perrone, D Narese, M Cangelosi, S Sollai, A Semeraro, M Mortilla, C Defilippi
Cat-scratch disease (CSD) is a zoonosis in children, result of infection by Bartonella henselae, a gram-negative bacillus. Infection is generally characterized by regional and self-limited lymphadenopathy after exposure to a scratch or bite from a cat. Rarely, B. henselae is cause of fever of unknown origin (FUO), with dissemination to various organs, most often involving the reticuloendothelial system (liver, spleen, bone marrow), mimicking an inflammatory rather than a lymphoproliferative disease. Whole-body Magnetic Resonance Imaging (WBMRI), in association with diffusion-weighted imaging (DWIBS), allows a comprehensive evaluation of pediatric patients, without the risks inherent to ionizing radiation...
July 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/27515099/identification-and-functional-analysis-of-invasion-associated-locus-b-ialb-in-bartonella-species
#10
Hongkuan Deng, Qiuxiang Pang, Huiqing Xia, Danielle Le Rhun, Evelyne Le Naour, Chengliang Yang, Muriel Vayssier-Taussat, Bosheng Zhao
Bartonellosis is caused by the genus Bartonella. Bartonella is widely distributed in the ruminants, cats, dogs, rodents and other mammals including humans. At least 13 species or subspecies of Bartonella are zoonotic, and each species appears to be highly adapted to one or a limited number of reservoir animals in which it is asymptomatic, while it can be transmitted to humans in which a variety of clinical manifestations can be caused. It was reported that Bartonella henselae infection rate among domestic cats was high in nature, making it one of the leading, important, and easily neglected zoonotic diseases...
September 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27509682/-lyme-borreliosis-and-co-infections-place-of-anaplasma-phagocytophilum-and-bartonella-henselae
#11
Daniel Christmann
Lyme borreliosis (LB) is certainly the most common infection transmitted through the bite of Ixodes in Northern Hemisphere. These ticks are also able to transmit other microorganisms such as the bacteria Anaplasma phagocytophilum (Ap) and Bartonella henselae (Bh), with the latter discovered fairly recently, leading to diferent clinical presentations often close to those of LB. The aim of this study was to evaluate the frequency of co-infection by either of these bacteria in patients with LB, particularly when a treatment with beta-lactam antibiotic was only partially effective...
April 2015: Bulletin de L'Académie Nationale de Médecine
https://www.readbyqxmd.com/read/27453220/isolation-of-bartonella-henselae-bartonella-koehlerae-subsp-koehlerae-bartonella-koehlerae-subsp-bothieri-and-a-new-subspecies-of-b-koehlerae-from-free-ranging-lions-panthera-leo-from-south-africa-cheetahs-acinonyx-jubatus-from-namibia-and-captive-cheetahs
#12
S Molia, R W Kasten, M J Stuckey, H J Boulouis, J Allen, G M Borgo, J E Koehler, C C Chang, B B Chomel
Bartonellae are blood- and vector-borne Gram-negative bacteria, recognized as emerging pathogens. Whole-blood samples were collected from 58 free-ranging lions (Panthera leo) in South Africa and 17 cheetahs (Acinonyx jubatus) from Namibia. Blood samples were also collected from 11 cheetahs (more than once for some of them) at the San Diego Wildlife Safari Park. Bacteria were isolated from the blood of three (5%) lions, one (6%) Namibian cheetah and eight (73%) cheetahs from California. The lion Bartonella isolates were identified as B...
November 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27422429/similar-presentation-of-cervical-lymphadenitis-of-different-etiology-in-two-siblings
#13
Jerome A Lindeboom, Willem H Schreuder
Here, we report chronic suppurating submandibular swelling occurring in two siblings, with one case caused by nontuberculous mycobacteria and the other caused by Bartonella henselae. These two infections share a similar clinical presentation, but the treatment modalities differed.
August 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27410916/bartonella-henselae-as-a-putative-cause-of-congenital-cholestasis
#14
Paulo Eduardo Neves Ferreira Velho, Maria Ângela Bellomo-Brandão, Marina Rovani Drummond, Renata Ferreira Magalhães, Gabriel Hessel, Maria de Lourdes Barjas-Castro, Cecília Amélia Fazzio Escanhoela, Gilda Maria Barbaro Del Negro, Thelma Suely Okay
Severe anemia and cholestatic hepatitis are associated with bartonella infections. A putative vertical Bartonella henselae infection was defined on the basis of ultrastructural and molecular analyses in a three-year-old child with anemia, jaundice and hepatosplenomegaly since birth. Physicians should consider bartonellosis in patients with anemia and hepatitis of unknown origin.
July 11, 2016: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/27406565/transfer-of-dna-from-bacteria-to-eukaryotes
#15
REVIEW
Benoît Lacroix, Vitaly Citovsky
Historically, the members of the Agrobacterium genus have been considered the only bacterial species naturally able to transfer and integrate DNA into the genomes of their eukaryotic hosts. Yet, increasing evidence suggests that this ability to genetically transform eukaryotic host cells might be more widespread in the bacterial world. Indeed, analyses of accumulating genomic data reveal cases of horizontal gene transfer from bacteria to eukaryotes and suggest that it represents a significant force in adaptive evolution of eukaryotic species...
2016: MBio
https://www.readbyqxmd.com/read/27330461/a-31-year-old-man-with-bilateral-blurry-vision-and-floaters
#16
Azin Abazari, Kevin Kaplowitz, Patrick Sibony
We report a case of bilateral multifocal retinochoroiditis and bilateral optic disc edema in a patient with cat-scratch disease from Bartonella henselae. The patient initially had negative serologic testing. Repeat testing showed a markedly increased IgG and IgM convalescent titer and the development of a branch retinal artery and vein occlusion. In patients for whom there is a high clinical suspicion of cat-scratch disease, a convalescent titer should be obtained 2-3 weeks following a negative initial result...
2015: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/27316654/development-of-fluorogenic-probe-based-and-high-resolution-melting-based-polymerase-chain-reaction-assays-for-the-detection-and-differentiation-of-bartonella-quintana-and-bartonella-henselae
#17
Yun-Yan Liu, Long-Sheng Zhao, Xiu-Ping Song, Peng-Chen Du, Dong-Mei Li, Zhong-Ke Chen, Qi-Yong Liu
Bartonella henselae and Bartonella quintana are the major etiological agents of infective endocarditis, which pose a serious threat to human health. To simultaneously detect and differentiate B. henselae and B. quintana, a reliable and fast method to simultaneously detect and differentiate B. henselae and B. quintana is required. In this study, we developed and validated two rapid, highly sensitive and specific, duplex, real-time polymerase chain reaction (PCR) assays-one based on high-resolution melting (HRM) analysis, and the other on TaqMan probes-to simultaneously detect and differentiate B...
June 14, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27262077/encephalitis-with-convulsive-status-in-an-immunocompetent-pediatric-patient-caused-by-bartonella-henselae
#18
REVIEW
Rosario Cerpa Polar, Gabriela Orellana, Wilmer Silva Caso, José Sánchez Carbonel, Javier Santisteban, Juana Del Valle Mendoza, Javier Santisteban
Cat scratch's disease caused by Bartonella henselae, is known to be a self-limited benign process in immunocompetent children. The association with neurologic manifestations is very uncommon especially in patient with no immunologic defects and in cases without specific treatment. A 7 years old male patient, without any immunocompromised defect, presented an atypic presentation of the cat scratch disease. The patient came to the hospital in two opportunities in a status epilepticus, in both cases the diagnosis was encephalitis by Bartonella henselae and the evolution with treatment was monitored with PCR (polymerase chain reaction) in cerebrospinal fluid and blood, as well as IFI (IgM, IgG) serology (indirect immunofluorescence)...
June 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27226890/molecular-identification-and-phylogenic-analysis-of-bartonella-henselae-isolated-from-iranian-cats-based-on-glta-gene
#19
Ramin Mazaheri Nezhad Fard, Seyed Milad Vahedi, Iraj Ashrafi, Faranak Alipour, Golnaz Sharafi, Hesam Akbarein, Seyed Javid Aldavood
One of the most important species of the Bartonella genus is B. henselae that causes a zoonotic infection, cat scratch disease (CSD). The main source of the bacteria is cat and the carrier is Ctenocephalides felis flea. One hundred and forty nail and saliva samples were collected from 70 domestic cats. Positive samples for B. henselae were characterized by polymerase chain reaction (PCR) and sequencing. Sequences of gltA gene were trimmed using BioEdit software and then compared with the sequences of the same gene from B...
2016: Veterinary Research Forum
https://www.readbyqxmd.com/read/27161220/vasculitis-cerebral-infarction-and-persistent-bartonella-henselae-infection-in-a-child
#20
Nandhakumar Balakrishnan, Marna Ericson, Ricardo Maggi, Edward B Breitschwerdt
BACKGROUND: The genus Bartonella is comprised of a rapidly increasing number of pathogenic species that induce a seemingly diverse spectrum of neurological symptoms. During the 12 year period that followed the initial onset of neurological and gastrointestinal symptoms, an 11 year-old girl experienced a spectrum of neurological complaints including frequent headaches, visual and auditory hallucinations, anxiety, vision loss involving the lower left quadrant of both eyes, episodic bouts of generalized paralysis, facial palsy, chronic insomnia, seizures, dizziness, cognitive dysfunction, and memory loss...
2016: Parasites & Vectors
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