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Bartonella henselae

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https://www.readbyqxmd.com/read/29316554/skin-infections-due-to-bacteria-in-solid-organ-transplant-recipients-a-review
#1
Muneeb Ilyas, Nishita Maganty, Zachary Ginsberg, Amit Sharma
Though there is an abundance of information on cutaneous malignancies in transplant recipients, cutaneous infections in solid organ transplant recipients (SOTRs) are underrepresented in the dermatological literature. Our paper provides a comprehensive review of bacterial cutaneous infections within the solid organ transplant population. Cutaneous bacterial infections may lead to significant morbidity and even mortality in this immunosuppressed population. Thus, it is to the benefit of both dermatologists and other transplant care providers to better understand and recognize the features of cutaneous bacterial infections in SOTRs...
January 10, 2018: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29283743/neuroretinitis-secondary-to-bartonella-henselae-in-a-patient-with-myelinated-retinal-nerve-fibers-diagnostic-dilemmas-and-treatment
#2
Victoria Toumanidou, Anna Dastiridou, Nikolaos Kourtis, Sofia Androudi
PURPOSE: To report an unusual case of Bartonella henselae neuroretinitis (BHNR) in a patient with myelinated retinal nerve fibers (MRNFs). METHODS: A 56-year-old male presented for a consultation, because of a decrease in visual acuity from his right eye. Onset was unclear and the patient was not sure if this was a new symptom. RESULTS: Fundoscopy revealed MRNF without any other clinical findings. After 2 weeks, the patient returned complaining of further visual acuity decrease...
December 28, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29258801/diversity-of-borrelia-spirochetes-and-other-zoonotic-agents-in-ticks-from-kyiv-ukraine
#3
Artem Rogovskyy, Maliha Batool, David C Gillis, Patricia J Holman, Igor V Nebogatkin, Yuliya V Rogovska, Maksym S Rogovskyy
Lyme borreliosis (LB) is caused by tick-borne spirochetes of the Borrelia burgdorferi sensu lato complex. LB is the most prevalent vector-borne illness in Ukraine, but current data on the prevalence of LB pathogens in their tick vector, Ixodes ricinus, are lacking. I. ricinus ticks may also carry Borrelia miyamotoi, an emerging relapsing fever group spirochete that has been implicated in human illness. Despite its zoonotic potential, the prevalence of B. miyamotoi in ticks has not been examined in Ukraine. Similarly, data on the prevalence of other important tick-borne pathogens, Anaplasma phagocytophilum, Babesia spp...
December 15, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29233492/-haemophagocytic-syndrome-secondary-to-endocarditis-due-to-bartonella-henselae
#4
Esmeralda Núñez Cuadros, Ana Cabrera Del Moral, Jose Manuel Jiménez Hinojosa, Isabel Leiva Gea, Lourdes Conejo Muñoz
No abstract text is available yet for this article.
December 7, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29217417/cat-fleas-ctenocephalides-felis-carrying-rickettsia-felis-and-bartonella-species-in-hong-kong
#5
Jan Šlapeta, Andrea Lawrence, Michael P Reichel
Fleas are commonly recorded on stray as well as domestic dogs and cats in Hong Kong. Fleas can be a major cause of pruritus in dogs and cats and also vectors of potentially zoonotic bacteria in the genera Rickettsia and Bartonella. Morphological examination of 174 fleas from dogs and cats living in Hong Kong revealed only cat fleas (Ctenocephalides felis). Cytochrome c oxidase subunit 1 gene (cox1) genotyping of 20 randomly selected specimens, revealed three cox1 haplotypes (HK-h1 to HK-h3). The most common haplotype was HK-h1 with 17 specimens (17/20, 85%)...
December 4, 2017: Parasitology International
https://www.readbyqxmd.com/read/29203105/bartonella-infection-in-asymptomatic-horses-and-donkeys-from-tuscany-central-italy
#6
Edoardo Magni, Fabrizio Bertelloni, Micaela Sgorbini, Valentina V Ebani
OBJECTIVE: To investigate the occurrence of Bartonella sp. infection in asymptomatic horses and donkeys living in Tuscany, Central Italy. METHODS: Blood samples were collected from 77 horses and 15 donkeys and tested by indirect immunofluorescent test to detect antibodies against Bartonella sp. and by PCR to detect the pathogen. RESULTS: Fifty-four (58.69%; 95% CI: 47.95%-68.87%) animals, 9 donkeys and 45 horses, were seropositive with antibody titers ranging from 1:64 to 1:512...
November 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29197186/bartonella-seroepidemiology-in-dogs-from-north-america-2008-2014
#7
E Lashnits, M Correa, B C Hegarty, A Birkenheuer, E B Breitschwerdt
BACKGROUND: Improved understanding of Bartonella species seroepidemiology in dogs may aid clinical decision making and enhance current understanding of naturally occurring arthropod vector transmission of this pathogen. OBJECTIVES: To identify demographic groups in which Bartonella exposure may be more likely, describe spatiotemporal variations in Bartonella seroreactivity, and examine co-exposures to other canine vector-borne diseases (CVBD). ANIMALS: A total of 15,451 serology specimens from dogs in North America were submitted to the North Carolina State University, College of Veterinary Medicine Vector Borne Disease Diagnostic Laboratory between January 1, 2008, and December 31, 2014...
December 2, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29176527/cat-scratch-disease-imitating-a-toxocara-granuloma-of-the-optic-disk
#8
Fouad E Sayyad, Ahmaida Zeglam, Swati Agarwal-Sinha
PURPOSE: The study reports an unusual presentation of a young female patient presenting with a granulomatous posterior pole mass and profound vision loss secondary to infection with Bartonella henselae. METHODS: A single case report in a child. RESULTS: An 8-year-old female presented with a recent history of flu-like illness associated with profound vision loss, panuveitis and leukocoria in the left eye. She was found to have a posterior granulomatous mass associated with an exudative retinal detachment presumed as a toxocara granuloma...
November 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29165524/-bartonella-henselae-infection-the-importance-of-images-for-diagnosis-and-follow-up
#9
M Fernanda Tapia, Reinaldo Rosas, Giancarlo Schiappacasse, Luis Thompson
Bartonella henselae infection is a frequent zoonosis from the domestic cat. It is presented with regional lymphadenitis in the majority of cases. Searching and characterization of lymph nodes by diagnostic imaging can be useful in the differential diagnosis approach, with a clear advantage, because it is a noninvasive method. Currently, new diagnostic imaging techniques improves the quality of screening and characterization of adenopathies, such is the case of PET/CT, which allows a better evaluation of hypermetabolic lymph nodes, without considering the individual growth of each lymph node...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29165519/-central-nervous-system-infection-by-bartonella-henselae-associated-with-a-choroid-plexus-papilloma
#10
Natalia Barnafi, Natalia Conca, Cecilia von Borries, Isabel Fuentes, Francisca Montoya, Elisa Alcalde
Bartonella henselae infection is a prevalent illness in Chile. It presents generally as a cat scratch disease or as a prolonged fever syndrome. There are atypical manifestations, which include central nervous system, bone, cardiac and hepato-esplenic compromised. We present an adolescent case with a history of fever, vomiting and ataxia, whose diagnosis was a central nervous system infection by Bartonella henselae associated with a choroid plexus papilloma. This case corresponds to an unusual presentation, with a challenging diagnosis...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29159996/demographic-characteristics-of-teenage-boys-with-horizontal-striae-distensae-of-the-lower-back
#11
Emily Boozalis, Anna L Grossberg, Katherine B Puttgen, Candrice R Heath, Bernard A Cohen
BACKGROUND: This study examines the clinical characteristics and demographics of teenage boys with horizontal striae distensae of the lower back in an outpatient setting. METHODS: Retrospective medical chart reviews and telephone survey studies were completed on an outpatient cohort of 12 boys 11 to 17 years of age with a clinical diagnosis of transverse striae distensae of the lower back at a single-center, university-based, pediatric dermatology practice. We evaluated the clinical features of the striae, participant demographic characteristics, and past medical history...
November 21, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/29147875/evaluation-of-nfsa-like-nitroreductases-from-neisseria-meningitidis-and-bartonella-henselae-for-enzyme-prodrug-therapy-targeted-cellular-ablation-and-dinitrotoluene-bioremediation
#12
Michelle H Rich, Abigail V Sharrock, Kelsi R Hall, David F Ackerley, Joanna K MacKichan
OBJECTIVES: To characterize the activities of two candidate nitroreductases, Neisseria meningitidis NfsA (NfsA_Nm) and Bartonella henselae (PnbA_Bh), with the nitro-prodrugs, CB1954 and metronidazole, and the environmental pollutants 2,4- and 2,6-dinitrotoluene. RESULTS: NfsA_Nm and PnbA_Bh were evaluated in Escherichia coli over-expression assays and as His6-tagged proteins in vitro. With the anti-cancer prodrug CB1954, both enzymes were more effective than the canonical O2-insensitive nitroreductase E...
November 17, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/29141959/an-integrative-strategy-to-identify-the-entire-protein-coding-potential-of-prokaryotic-genomes-by-proteogenomics
#13
Ulrich Omasits, Adithi R Varadarajan, Michael Schmid, Sandra Goetze, Damianos Melidis, Marc Bourqui, Olga Nikolayeva, Maxime Québatte, Andrea Patrignani, Christoph Dehio, Juerg E Frey, Mark D Robinson, Bernd Wollscheid, Christian H Ahrens
Accurate annotation of all protein-coding sequences (CDSs) is an essential prerequisite to fully exploit the rapidly growing repertoire of completely sequenced prokaryotic genomes. However, large discrepancies among the number of CDSs annotated by different resources, missed functional short open reading frames (sORFs), and overprediction of spurious ORFs represent serious limitations. Our strategy toward accurate and complete genome annotation consolidates CDSs from multiple reference annotation resources, ab initio gene prediction algorithms and in silico ORFs (a modified six-frame translation considering alternative start codons) in an integrated proteogenomics database (iPtgxDB) that covers the entire protein-coding potential of a prokaryotic genome...
December 2017: Genome Research
https://www.readbyqxmd.com/read/29116007/prevalence-of-bartonella-spp-by-culture-pcr-and-serology-in-veterinary-personnel-from-spain
#14
José A Oteo, Ricardo Maggi, Aránzazu Portillo, Julie Bradley, Lara García-Álvarez, Montserrat San-Martín, Xavier Roura, Edward Breitschwerdt
BACKGROUND: The genus Bartonella includes fastidious, facultative intracellular bacteria mainly transmitted by arthropods and distributed among mammalian reservoirs. Bartonella spp. implicated as etiological agents of zoonoses are increasing. Apart from the classical Bartonella henselae, B. bacilliformis or B. quintana, other species (B. elizabethae, B. rochalimae, B. vinsonii arupensis and B. v. berkhoffii, B. tamiae or B. koehlerae, among others) have also been associated with human and/or animal diseases...
November 7, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29095386/torticollis-and-fever-in-a-young-boy-a-unique-presentation-of-cat-scratch-disease-with-vertebral-osteomyelitis-and-epidural-phlegmon
#15
Jason R Rafferty, Elizabeth Janopaul-Naylor, Jeffrey Riese
Cat-scratch disease-associated vertebral osteomyelitis and epidural involvement are rare and may manifest with nonspecific chronic symptoms in children, such as fever or torticollis. We present only the fourth case in the literature describing epidural involvement in an immunocompetent boy presenting with fever, torticollis, and indiscriminate left upper back tenderness. Bartonella henselae serologies are important to consider because such atypical complications often are responsive to conservative management with antibiotics...
October 31, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29093103/utility-of-bartonella-henselae-igm-western-blot-bands-for-serodiagnosis-of-cat-scratch-disease
#16
Ken-Ichiro Otsuyama, Hidehiro Tsuneoka, Hiroka Yoshidomi, Mio Haraguchi, Masashi Yanagihara, Nobuko Tokuda, Junzo Nojima, Kiyoshi Ichihara
We evaluated the utility of Western blot (WB) bands of Bartonella henselae in detecting anti-B. henselae immunoglobulin M (IgM) for serodiagnosis of cat scratch disease (CSD). IgM band patterns were examined using sera from 92 patients clinically suspected of having CSD and from 130 healthy individuals. Positive WB bands were observed in 49 (53.5%) of the 92 patient sera. Three bands at 8 to 10, 31 to 35, and 70 kDa were regarded as relevant for B. henselae because all of the positive sera yielded at least one of the three bands, and none of the healthy control sera showed reactivity to any of them...
January 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29077073/the-biology-and-ecology-of-cat-fleas-and-advancements-in-their-pest-management-a-review
#17
REVIEW
Michael K Rust
The cat flea Ctenocephalides felis felis (Bouché) is the most important ectoparasite of domestic cats and dogs worldwide. It has been two decades since the last comprehensive review concerning the biology and ecology of C. f. felis and its management. Since then there have been major advances in our understanding of the diseases associated with C. f. felis and their implications for humans and their pets. Two rickettsial diseases, flea-borne spotted fever and murine typhus, have been identified in domestic animal populations and cat fleas...
October 27, 2017: Insects
https://www.readbyqxmd.com/read/29068281/detection-of-bartonella-in-cat-scratch-disease-using-a-single-step-pcr-assay-kit
#18
C Hobson, C Le Brun, C Beauruelle, Z Maakaroun-Vermesse, L Mereghetti, A Goudeau, P Lanotte
PURPOSE: Bartonella is an increasingly isolated emerging pathogen that can cause severe illness in humans, including cat scratch disease (CSD). The bacteria are difficult to grow and thus many detection methods have been developed, especially molecular. We previously developed a PCR method targeting ribC to identify Bartonella sp. A manufactured kit (RealCycler BART, Progenie Molecular) was commercialised shortly thereafter for the detection of Bartonella infection, including Bartonella henselae...
October 25, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28969827/pathogens-in-ectoparasites-from-free-ranging-animals-infection-with-rickettsia-asembonensis-in-ticks-and-a-potentially-new-species-of-dipylidium-in-fleas-and-lice
#19
Van Lun Low, Batah Kunalan Prakash, Tiong Kai Tan, Mohd Sofian-Azirun, Fasihah Hanani Khairul Anwar, Wei Yin Vinnie-Siow, Sazaly AbuBakar
Vector-borne infections are persistent public health threats worldwide. In recent years, a number of mosquito-borne viruses have emerged or re-emerged to cause major disease outbreaks. Other vector-borne pathogens, however, remain understudied and much neglected especially in the developing regions of the world including Southeast Asia. In this study, the brown dog tick Rhipicephalus sanguineus sensu lato, cat louse Felicola subrostratus, and cat fleas Ctenocephalides felis and Ctenocephalides orientis collected from free-ranging cats and dogs in Malaysia were molecularly screened for the presence of Bartonella and Rickettsia bacteria, and Dipylidium tapeworm...
October 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28935172/a-pediatric-case-with-peripheral-facial-nerve-palsy-caused-by-a-granulomatous-lesion-associated-with-cat-scratch-disease
#20
Chizuko Nakamura, Yuji Inaba, Keiko Tsukahara, Mie Mochizuki, Emi Sawanobori, Yozo Nakazawa, Kouki Aoyama
BACKGROUND: Cat scratch disease is a common infectious disorder caused by Bartonella henselae that is transmitted primarily by kittens. It typically exhibits a benign and self-limiting course of subacute regional lymphadenopathy and fever lasting two to eight weeks. The most severe complication of cat scratch disease is involvement of the nervous system, such as encephalitis, meningitis, and polyneuritis. Peripheral facial nerve palsy associated with Bartonella infection is rare; few reported pediatric and adult cases exist and the precise pathogenesis is unknown...
September 18, 2017: Brain & Development
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