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Bartonella henselae

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https://www.readbyqxmd.com/read/28490714/the-seroprevalence-of-bartonella-henselae-in-healthy-adults-in-korea
#1
Hea Yoon Kwon, Jae Hyoung Im, Sun Myoung Lee, Ji Hyeon Baek, Areum Durey, Shin-Goo Park, Jae-Seung Kang, Jin-Soo Lee
BACKGROUND/AIMS: Cat-scratch disease (CSD), caused by Bartonella henselae is one of the most common zoonosis. However, only several cases of B. henselae infection have been reported in Korea. This study investigated the seroprevalence of B. henselae in healthy adults and related risk factors. METHODS: Serum samples from 300 healthy participants were analyzed using an immunoglobulin G immunof luorescence assay (IFA) for B. henselae isolated in Korea. Surveys on the risk factors for B...
May 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28490579/bartonella-species-an-emerging-cause-of-blood-culture-negative-endocarditis
#2
REVIEW
Udoka Okaro, Anteneh Addisu, Beata Casanas, Burt Anderson
Since the reclassification of the genus Bartonella in 1993, the number of species has grown from 1 to 45 currently designated members. Likewise, the association of different Bartonella species with human disease continues to grow, as does the range of clinical presentations associated with these bacteria. Among these, blood-culture-negative endocarditis stands out as a common, often undiagnosed, clinical presentation of infection with several different Bartonella species. The limitations of laboratory tests resulting in this underdiagnosis of Bartonella endocarditis are discussed...
July 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28446372/prosthetic-valve-endocarditis-caused-by-bartonella-henselae-presenting-as-recurrent-fever-and-imitating-granulomatosis-with-polyangiitis
#3
Ryuichi Sada, Shunsuke Uno, Naoto Hosokawa, Tomoyoshi Komiya
No abstract text is available yet for this article.
April 23, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28411218/the-conjugative-relaxase-trwc-promotes-integration-of-foreign-dna-in-the-human-genome
#4
Coral González-Prieto, Richard Gabriel, Christoph Dehio, Manfred Schmidt, Matxalen Llosa
Bacterial conjugation is a mechanism of horizontal DNA transfer. The relaxase TrwC of the conjugative plasmid R388 cleaves one strand of the transferred DNA at the oriT, covalently attaches to it and leads the ssDNA into the recipient cell. In addition, TrwC catalyzes site-specific integration of the transferred DNA into its target sequence present in the genome of the recipient bacterium. Here, we report the analysis of the efficiency and specificity of the integrase activity of TrwC in human cells, using the Type IV Secretion System of the human pathogen Bartonella henselae to introduce relaxase-DNA complexes...
April 14, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28403058/multiorgan-involvement-confounding-the-diagnosis-of-bartonella-henselae-infective-endocarditis-in-children-with-congenital-heart-disease
#5
Christopher P Ouellette, Sarita Joshi, Karen Texter, Preeti Jaggi
Two children with congenital heart disease status post surgical correction presented with prolonged constitutional symptoms, hepatosplenomegaly and pancytopenia. Concern for malignancy prompted bone marrow biopsies that were without evidence thereof. In case 1, echocardiography identified a multilobulated vegetation on the conduit valve. In case 2, transthoracic, transesophageal and intracardiac echocardiography were performed and were without evidence of cardiac vegetations; however, pulmonic emboli raised concern for infective endocarditis...
May 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28398939/acute-unilateral-vision-loss-in-a-female-adolescent-due-to-ocular-bartonellosis
#6
Douglas S Nassif
Acute worsening of visual acuity with optic disc edema is commonly assumed to be due to idiopathic intracranial hypertension. Bartonella henselae is an unusual cause to abrupt vision loss that is associated with optic disc edema and exudative macular stars seen on examination. It is an important cause to be aware of because it responds very well to antibiotic treatment. We present a case of a female adolescent with unilateral vision loss cause by cat-scratch neuroretinitis.
April 11, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28385003/infection-to-pathogens-with-different-transmission-modes-in-feral-cats-from-urban-and-rural-areas-of-korea
#7
Jusun Hwang, Nicole Gottdenker, Dae-Hyun Oh, Hang Lee, Myung-Sun Chun
In this study, we examine the prevalence of three infectious pathogens with different transmission modes (Bartonella henselae, hemoplasma and Toxoplasma gondii) in feral cats (Felis catus) from two unique habitat types, urban and rural. We determined the infection status of three pathogens in blood samples (total N=117) through molecular or serological diagnostic methods. Overall prevalence of hemoplasma, T. gondii and B. henselae was 47.9%, 50% and 35.7%, respectively. Only seroprevalence of B. henselae was significantly higher in urban cats...
April 6, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28360154/draft-genome-sequences-of-12-feline-bartonella-henselae-isolates
#8
Cédric Woudstra, Patrick Fach, Bruno B Chomel, Nadia Haddad, Henri-Jean Boulouis
Bartonella henselae is the main causative agent of cat scratch disease. In this report, we present the draft genome sequences of 12 strains of Bartonella henselae originating from the United States, Denmark, and France. These strains were isolated from cats and belonged to either 16S rRNA genotype I or 16S rRNA genotype II.
March 30, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28346866/prevalence-and-potential-risk-factors-for-bartonella-infection-in-tunisian-stray-dogs
#9
Jaber Belkhiria, Bruno B Chomel, Taoufik Ben Hamida, Rickie W Kasten, Matthew J Stuckey, Drew A Fleischman, Mary M Christopher, Henri-Jean Boulouis, Thomas B Farver
Bartonellae are blood-borne and vector-transmitted pathogens, some are zoonotic, which have been reported in several Mediterranean countries. Transmission from dogs to humans is suspected, but has not been clearly demonstrated. Our objectives were to determine the seroprevalence of Bartonella henselae, Bartonella vinsonii subsp. berkhoffii, Bartonella clarridgeiae, and Bartonella bovis (as a proxy for Candidatus Bartonella merieuxii) in stray dogs from Tunisia, identify the Bartonella species infecting the dogs and evaluate potential risk factors for canine infection...
March 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28322716/bartonella-associated-transverse-myelitis
#10
Parham Sendi, Cedric Hirzel, Andreas Bloch, Urs Fischer, Natalie Jeannet, Livia Berlinger, Heinz Krestel
Each year in the United States, 500 patients are hospitalized for cat-scratch disease, caused by Bartonella henselae infection. We report a case of rare but serious neurologic B. henselae infection. When typical features of cat-scratch disease occur with neurologic findings, Bartonella infection should be suspected and diagnostic testing should be performed.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28285597/prevalence-study-and-risk-factor-analysis-of-selected-bacterial-protozoal-and-viral-including-vector-borne-pathogens-in-cats-from-cyprus
#11
Charalampos Attipa, Kostas Papasouliotis, Laia Solano-Gallego, Gad Baneth, Yaarit Nachum-Biala, Elpida Sarvani, Toby G Knowles, Sena Mengi, David Morris, Chris Helps, Séverine Tasker
BACKGROUND: Feline infectious agent studies are lacking in Cyprus. The aims of this study were to determine the prevalence and risk factors for various feline infectious agents, including feline vector-borne pathogens (FVBP), in cats from Cyprus. METHODS: A cross-sectional, descriptive, multicentre study was performed on 174 feline samples [138 owned and 36 shelter-feral, including both healthy (43) and non-healthy (131), cats] from private veterinary clinics from all six districts of Cyprus...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285590/molecular-detection-of-hepatozoon-spp-and-cytauxzoon-sp-in-domestic-and-stray-cats-from-madrid-spain
#12
David Díaz-Regañón, Alejandra Villaescusa, Tania Ayllón, Fernando Rodríguez-Franco, Gad Baneth, Lydia Calleja-Bueno, Mercedes García-Sancho, Beatriz Agulla, Ángel Sainz
BACKGROUND: Different species of apicomplexan protozoans of the genera Hepatozoon and Cytauxzoon can infect domestic cats, but their epidemiology and clinical relevance are not fully understood. The aim of this study was to assess the molecular prevalence of Hepatozoon spp. and Cytauxzoon spp. and to identify associated risk factors and clinical and laboratory abnormalities in a population of cats from Madrid, Spain. METHODS: Six hundred and forty-four client-owned and stray cats from Madrid, Spain, were included in this study...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285589/molecular-detection-of-bartonella-henselae-in-11-ixodes-ricinus-ticks-extracted-from-a-single-cat
#13
Yvonne Regier, Wibke Ballhorn, Volkhard A J Kempf
BACKGROUND: Bartonella henselae is a highly prevalent, vector-borne pathogen. Transmission to humans and animals by ticks is discussed controversially. Here, we present a case report, where eleven Ixodes ricinus ticks all harbouring B. henselae DNA were removed from one single cat. RESULTS: The first feeding tick was tested positive for B. henselae DNA. The cat was also found to be seropositive for anti-B. henselae IgG antibodies (titer 1:640). Bartonella henselae was not cultivatable from cat blood...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28263407/bartonella-henselae-in-canine-cavitary-effusions-prevalence-identification-and-clinical-associations
#14
Amy L Weeden, Natalie A Cherry, Edward B Breitschwerdt, Avery G Cheves, Heather L Wamsley
BACKGROUND: Previous reports suggest an association between Bartonella infection and effusions in dogs and human beings. OBJECTIVES: The aims of this study were to determine the prevalence of Bartonella infection in canine effusions and to investigate historic and clinical parameters predictive of Bartonella in dogs with effusions. METHODS: Canine cavitary effusions submitted for analysis and, if available, paired EDTA blood, were screened for Bartonella infection using the Bartonella α-proteobacteria growth medium enrichment culture/PCR diagnostic platform (Bartonella enrichment PCR or ePCR) at Galaxy Diagnostics, Inc...
March 6, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28256443/cat-scratch-disease-during-etanercept-therapy-in-a-rheumatoid-arthritis-patient
#15
Alberto O Orden, Norma N Nardi, Alicia B Vilaseca, Ana C Colombini, Nora G Barrios, Anahí Vijnovich Barón
Cat scratch disease (CSD) is an infectious disorder caused by Bartonella henselae and characterized by fever and granulomatous lymphadenopathy. Immunosuppression is a risk factor for the development of atypical forms of the disease. We report the case of a 52-year-old woman who presented with fever and bilateral inguinal lymph node enlargement. She did not have apparent contact with animals. The patient was receiving etanercept therapy for rheumatoid arthritis. Lymph node biopsy demonstrated granulomatous lymphadenitis...
February 27, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28249707/bartonella-species-pathogenic-for-humans-infect-pets-free-ranging-wild-mammals-and-their-ectoparasites-in-the-caatinga-biome-northeastern-brazil-a-serological-and-molecular-study
#16
Mariana Campos Fontalvo, Alexsandra Rodrigues de Mendonça Favacho, Andreina de Carvalho Araujo, Naylla Mayana Dos Santos, Glauber Meneses Barboza de Oliveira, Daniel Moura Aguiar, Elba Regina Sampaio de Lemos, Mauricio Claudio Horta
This study verified the occurrence of Bartonella spp. in dogs, cats, wild mammals and their ectoparasites in Petrolina and Lagoa Grande Counties, Pernambuco, located in a semi-arid region in Northeastern Brazil. Anti-Bartonella spp. antibodies were detected by indirect immunofluorescence assay (IFA) in 24.8% of dogs (27/109) and in 15% of cats (6/40). Bartonella sp. DNA was identified by PCR performed on DNA extracted from blood and ectoparasites using primers targeting Bartonella sp. gltA and ribC genes in 100% (9/9) of Pulex irritans from Cerdocyon thous, 57...
February 27, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28209111/prolonged-course-of-hepatic-granulomatous-disease-due-to-bartonella-henselae-infection
#17
S De Keukeleire, J Geldof, F De Clerck, S Vandecasteele, M Reynders, M Orlent
Cat-scratch disease (CSD) is an emerging zoonosis caused by Bartonella henselae. The disease is usually self-limiting and typically presents in about 90% of all cases as a subacute regional lymphadenopathy. We present a case report of an unusual CSD presentation, persistent hepatic granulomatous disease due to Bartonella henselae infection despite combination therapy with doxycycline and rifampicin. Furthermore, a review of literature was conducted. (Acta gastroenterol. belg., 2016, 79, 497-499).
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28199763/disseminated-cat-scratch-disease-presenting-as-nausea-diarrhea-and-weight-loss-without-fever-in-a-heart-transplant-recipient
#18
Annukka A R Antar, Amit Goyal, Karly Murphy, Matthew Schimmel, Nisha A Gilotra, Isabella Martin, Genevieve Marie Crane, Christopher Sciortino, Robin K Avery, Brian A Houston
We report the case of an afebrile 59-year-old heart transplant recipient presenting with nausea, vomiting, diarrhea, weight loss, and diffuse lymphadenopathy. Lymph node biopsies revealed non-caseating granulomatous inflammation. Cat-scratch disease was confirmed by serologic studies, Warthin-Starry staining, and polymerase chain reaction testing of lymph node tissue. The patient's symptoms resolved with 3 months of doxycycline. We review clinical presentations of Bartonella henselae infection in and review diagnostic approaches for B...
February 15, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28182175/diverse-clinical-signs-of-ocular-involvement-in-cat-scratch-disease
#19
Merih Oray, Sumru Önal, Aylin Koç Akbay, İlknur Tuğal Tutkun
OBJECTIVES: To describe ocular manifestations, diagnosis, and treatment of cat scratch disease. MATERIALS AND METHODS: Clinical records of patients with ocular cat scratch disease were reviewed. RESULTS: Thirteen eyes of 10 patients (7 female, 3 male) with a mean age of 26.9±18.5 years were included. Nine patients had a history of cat contact and had systemic symptoms associated with cat scratch disease 2-90 days prior to the ocular symptoms...
January 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28165916/acute-and-late-bartonella-henselae-murine-model-infection
#20
Marilene Neves da Silva, Gislaine Vieira-Damiani, Marna Elise Ericson, Kalpna Gupta, Amanda Roberta de Almeida, Marina Rovani Drummond, Tania Cristina Benetti Soares, Bruno Grosselli Lania, Rovilson Gilioli, Paulo Eduardo Neves Ferreira Velho
Bartonella spp. are fastidious gram-negative neglected bacilli with worldwide distribution. They are able to cause intraerythrocytic and potentially fatal infection. Cats and dogs are reservoirs of some species of these agents. Blood-sucking arthropods are potential vectors. Our aim was to evaluate the blood, skin, liver, and spleen in BALB/c mice by using molecular tests and confocal microscopy to demonstrate Bartonella henselae infection in the bloodstream and organs after 4 and 21 days of intraperitoneally injected bacterial suspension...
March 2017: Vector Borne and Zoonotic Diseases
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