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https://www.readbyqxmd.com/read/28819488/-elbow-abscess-revealing-cat-scratch-disease-about-a-case
#1
Mustafa Nkaoui, Ahmed El Bardouni, Omar Lazrek, Nasser Ibo, Fouad Zouaidia, Mohamed Kharmaz, Mohamed Elouadghiri, Omar Lamrani, Mustapha Mahfoud, Mohamed Saleh Berrada
Cat-scratch disease (CSD) is a common cause of chronic benign lymphadenopathy in the child and the young adult. Bartonella henselae is the agent responsible for this disease. Common symptoms include regional lymphadenopathy associated with fever. We report a clinically atypical and potentially misleading case of a 18-year old girl with CSD revealed by elbow abscess.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28810870/vector-borne-and-zoonotic-diseases-of-dogs-in-north-west-new-south-wales-and-the-northern-territory-australia
#2
Amanda J Shapiro, Graeme Brown, Jacqueline M Norris, Katrina L Bosward, Debbie J Marriot, Nandhakumar Balakrishnan, Edward B Breitschwerdt, Richard Malik
BACKGROUND: Vector-borne diseases of dogs in Australian Aboriginal communities are relatively unexplored. These dogs represent a unique group with variable ecto- and endo-parasitic burdens, nutritional stresses and a general lack of veterinary intervention. We investigated haemoprotozoal and bacterial pathogen prevalences in relation to erythrocyte and platelet numbers in dogs from North-West New South Wales (N-W NSW) and the Northern Territory (NT; Central Australia). METHODS: Real-time PCR (qPCR) amplification of Anaplasma platys, Babesia vogeli, Mycoplasma haemocanis, Candidatus Mycoplasma haematoparvum and Bartonella spp...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28795543/-hepatosplenic-lesions-due-to-a-systemic-bartonellosis-in-an-immunocompetent-patient
#3
J Narinx, A Poncin, P Huynen, M Moutschen J-B Giot
We describe a case of a young healthy patient who presents a lot of hepato-splenic lesions caused by a systemic cat scratch disease. This case allows us to discuss the uncommon manifestations of the cat scratch disease and to describe the two types of hepatic lesions caused by a systemic bartonella infection : the granulomatosis and peliosis.
July 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28793927/microbial-population-analysis-of-the-midgut-of-melophagus-ovinus-via-high-throughput-sequencing
#4
De-Yong Duan, Guo-Hua Liu, Tian-Yin Cheng, Ya-Qin Wang
BACKGROUND: Melophagus ovinus, one of the most common haematophagous ectoparasites of sheep, can cause anaemia and reductions in weight gain, wool growth and hide value. However, no information is available about the microfloral structure of the midgut of this ectoparasite. In the present study, we investigated the microbial community structure of the midgut contents of fully engorged female and male M. ovinus using Illumina HiSeq. RESULTS: The phylum showing the highest abundance was Proteobacteria (99...
August 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28780918/molecular-survey-of-bartonella-henselae-and-bartonella-clarridgeiae-in-pet-cats-across-japan-by-species-specific-nested-pcr
#5
S Sato, H Kabeya, A Negishi, H Tsujimoto, K Nishigaki, Y Endo, S Maruyama
Cats are known to be the main reservoir for Bartonella henselae and Bartonella clarridgeiae, which are the agents of 'cat-scratch disease' in humans. In the present study, we investigated the prevalence of the two Bartonella species on 1754 cat bloods collected from all prefectures in Japan during 2007-2008 by a nested-polymerase chain reaction (PCR) targeting the 16S-23S rRNA internal transcribed spacer region. Overall, Bartonella DNA was detected in 4·6% (80/1754) of the cats examined. The nested-PCR showed that 48·8% (39/80) of the positive cats were infected with B...
August 7, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28764816/genotyping-of-bartonella-bacteria-and-their-animal-hosts-current-status-and-perspectives
#6
M Kosoy, C McKee, L Albayrak, Y Fofanov
Growing evidence demonstrates that bacterial species diversity is substantial, and many of these species are pathogenic in some contexts or hosts. At the same time, laboratories and museums have collected valuable animal tissue and ectoparasite samples that may contain substantial novel information on bacterial prevalence and diversity. However, the identification of bacterial species is challenging, partly due to the difficulty in culturing many microbes and the reliance on molecular data. Although the genomics revolution will surely add to our knowledge of bacterial systematics, these approaches are not accessible to all researchers and rely predominantly on cultured isolates...
August 2, 2017: Parasitology
https://www.readbyqxmd.com/read/28750865/human-head-lice-and-pubic-lice-reveal-the-presence-of-several-acinetobacter-species-in-algiers-algeria
#7
Nassima Mana, Meriem Louni, Philippe Parola, Idir Bitam
There are two majorspecies of medically important lice that parasitize humans: Phthirus pubis, found in pubic hair, and Pediculus humanus. Pediculus humanus consists of two eco types that live in specific niches on the human host: body lice (Pediculus humanus humanus), found on the human body and clothing, and head lice (Pediculus humanus capitis), found on the scalp. To date, only body lice are known to be vectors of human disease; however, it has recently been reported that the DNA of several bacterial agents has been detected in head lice, raising questions about their role in the transmission of pathogens...
August 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28750863/microscopic-and-molecular-identification-of-hemotropic-mycoplasmas-in-south-american-coatis-nasua-nasua
#8
Michelle P Cubilla, Leonilda C Santos, Wanderlei de Moraes, Zalmir S Cubas, Christian M Leutenegger, Marko Estrada, LeAnn L Lindsay, Edvaldo S Trindade, Célia Regina C Franco, Rafael F C Vieira, Alexander W Biondo, Jane E Sykes
Hemoplasmas were detected in two apparently healthy captive South American coatis (Nasua nasua) from southern Brazil during an investigation for vector-borne pathogens. Blood was subjected to packed cell volume (PCV) determination, a commercial real-time PCR panel for the detection of Anaplasma spp., Babesia spp., Bartonella spp., Hepatozoon spp., Leishmania spp., Mycoplasma haemofelis, 'Candidatus Mycoplasma turicensis', 'Candidatus Mycoplasma haemominutum', Neorickettsia risticii, Rickettsia rickettsii and Leptospira spp...
August 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28749268/detection-of-bartonella-sp-in-deer-louse-flies-lipoptena-mazamae-on-gray-brocket-deer-mazama-gouazoubira-in-the-neotropics
#9
Ugo Souza, Bruno Dall'Agnol, Thais Michel, Anelise Webster, Guilherme Klafke, João Ricardo Martins, Carlos Benhur Kasper, Tatiane Campos Trigo, Ricardo Ott, Márcia Maria de Assis Jardim, José Reck
Louse flies or deer keds, Lipoptena spp., are widespread in Neotropical cervids, but the vector-borne pathogens of louse flies had only been previously reported in the Northern hemisphere. This is the first report of Bartonella spp. in deer louse flies (Lipoptena mazamae) in the neotropics collected from gray brocket deer ( Mazama gouazoubira ) in Southern Brazil. DNA from Bartonella sp. was detected in all 429 L. mazamae collected from 11 road-killed gray brocket deer. The same sequences of DNA of Bartonella spp...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28730992/an-illustrated-guide-for-characters-and-terminology-used-in-descriptions-of-phlebotominae-diptera-psychodidae
#10
Eunice A B Galati, Fredy Galvis-Ovallos, Phillip Lawyer, Nicole Léger, Jérôme Depaquit
Phlebotomine (Diptera, Psychodidae, Phlebotominae) taxonomy has been studied extensively, primarily due to the role of these flies as vectors of various parasites, including species of Leishmania, Bartonella and arboviruses that cause diseases in humans and other vertebrates. We present some topics discussed at a round-table on phlebotomine taxonomy held at the Ninth International Symposium on Phlebotomine Sandflies (ISOPS IX) in Reims, France, in June 2016. To date, approximately one thousand phlebotomine species have been described worldwide, although in varying languages and mostly without standardization of characters and terminology...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28730981/bartonella-quintana-an-unrecognized-cause-of-infective-endocarditis-in-children-in-ethiopia
#11
Diana Tasher, Alona Raucher-Sternfeld, Akiva Tamir, Michael Giladi, Eli Somekh
Bartonella quintana endocarditis, a common cause of culture-negative endocarditis in adults, has rarely been reported in children. We describe 5 patients 7-16 years of age from Ethiopia with heart defects and endocarditis; 4 cases were caused by infection with B. quintana and 1 by Bartonella of undetermined species. All 5 patients were afebrile and oligosymptomatic, although 3 had heart failure. C-reactive protein was normal or slightly elevated, and erythrocyte sedimentation rate was high. The diagnosis was confirmed by echocardiographic demonstration of vegetations, the presence of high Bartonella IgG titers, and identification of B...
August 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28727827/diversity-and-phylogenetic-relationships-among-bartonella-strains-from-thai-bats
#12
Clifton D McKee, Michael Y Kosoy, Ying Bai, Lynn M Osikowicz, Richard Franka, Amy T Gilbert, Sumalee Boonmar, Charles E Rupprecht, Leonard F Peruski
Bartonellae are phylogenetically diverse, intracellular bacteria commonly found in mammals. Previous studies have demonstrated that bats have a high prevalence and diversity of Bartonella infections globally. Isolates (n = 42) were obtained from five bat species in four provinces of Thailand and analyzed using sequences of the citrate synthase gene (gltA). Sequences clustered into seven distinct genogroups; four of these genogroups displayed similarity with Bartonella spp. sequences from other bats in Southeast Asia, Africa, and Eastern Europe...
2017: PloS One
https://www.readbyqxmd.com/read/28722567/bartonella-infection-in-hematophagous-insectivorous-and-phytophagous-bat-populations-of-central-mexico-and-the-yucatan-peninsula
#13
Matthew J Stuckey, Bruno B Chomel, Guillermo Galvez-Romero, José Ignacio Olave-Leyva, Cirani Obregón-Morales, Hayde Moreno-Sandoval, Nidia Aréchiga-Ceballos, Mónica Salas-Rojas, Alvaro Aguilar-Setién
Although emerging nonviral pathogens remain relatively understudied in bat populations, there is an increasing focus on identifying bat-associated bartonellae around the world. Many novel Bartonella strains have been described from both bats and their arthropod ectoparasites, including Bartonella mayotimonensis, a zoonotic agent of human endocarditis. This cross-sectional study was designed to describe novel Bartonella strains isolated from bats sampled in Mexico and evaluate factors potentially associated with infection...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28707827/cat-scratch-disease-u-s-clinicians-experience-and-knowledge
#14
C A Nelson, A R Moore, A E Perea, P S Mead
Cat scratch disease (CSD) is a zoonotic infection caused primarily by the bacterium Bartonella henselae. An estimated 12,000 outpatients and 500 inpatients are diagnosed with CSD annually, yet little is known regarding clinician experience with and treatment of CSD in the United States. Questions assessing clinical burden, treatment and prevention of CSD were posed to 3,011 primary care providers (family practitioners, internists, paediatricians and nurse practitioners) during 2014-2015 as part of the annual nationwide DocStyles survey...
July 14, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28700390/bartonella-henselae-neuroretinitis-associated-with-central-retinal-vein-occlusion-choroidal-ischemia-and-ischemic-optic-neuropathy
#15
Quraish Ghadiali, Larissa K Ghadiali, Lawrence A Yannuzzi
PURPOSE: We describe a healthy 37-year-old man with Bartonella henselae (B. henselae) neuroretinitis with concurrent central retinal vein occlusion and ischemic optic neuropathy resulting in optic atrophy and choroidal ischemia. METHODS: Case report. RESULTS: A 37-year-old man presented with unilateral decreased vision and a fundus examination consistent with neuroretinitis. Further imaging review supported a concurrent diagnosis of central retinal vein occlusion...
July 11, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28693313/comparative-proteomic-analysis-of-the-outer-membrane-protein-43-omp43-deficient-bartonella-henselae
#16
Jun-Gu Kang, Hee-Woo Lee, Sungjin Ko, Joon-Seok Chae
Outer membrane proteins (OMPs) of gram-negative bacteria constitute the first line of defense that protects the cells against environmental stresses including chemical, biophysical, and biological attacks. Although 43-kDa outer membrane protein (OMP43) is major porin protein among the Bartonella henselae-derived OMPs, its function remains unknown. In this study, OMP43-deficient mutant B. henselae (Δomp43) was generated to investigate function of OMP43. Interestingly, Δomp43 showed a weaker proliferative ability compared to wild type (WT) of B...
July 10, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28691834/-cat-scratch-disease-a-neglected-zoonosis
#17
L Hozáková, L Rožnovský, V Janout
Cat scratch disease is a relatively rare infection that is caused by the bacterium Bartonella henselae. This disease occurs after cat scratch or bite. The course of the disease depends on the patients immunity status. In immunocompetent patients, the disease typically runs as a lymph node syndrome. Sometimes, mild general symptoms may appear, or the course can be atypical with a more serious clinical manifestation involving various organs. In immunocompromised patients, Bartonella henselae can cause bacillary angiomatosis or peliosis with a severe course...
2017: Epidemiologie, Mikrobiologie, Imunologie
https://www.readbyqxmd.com/read/28673455/neorickettsia-risticii-rickettsia-sp-and-bartonella-sp-in-tadarida-brasiliensis-bats-from-buenos-aires-argentina
#18
Gabriel L Cicuttin, María N De Salvo, Isabel La Rosa, Federico E Gury Dohmen
Bats are potential reservoirs of many vector-borne bacterial pathogens. The aim of the present study was to detect species of Anaplasma, Ehrlichia, Neorickettsia, Rickettsia, Borrelia and Bartonella in Brazilian free-tailed bats (Tadarida brasiliensis, Molossidae) from Buenos Aires city, Argentina. Between 2012 and 2013, 61 T. brasiliensis from urban areas of Buenos Aires city were studied. The samples were molecularly screened by PCR and sequencing. Five bats (8.2%) were positive to Neorickettsia risticii, one (1...
June 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28669017/bartonella-henselae-is-usually-not-viable-in-lymph-nodes-of-patients-with-cat-scratch-disease
#19
E Prudent, H Lepidi, G Audoly, B La Scola, P-E Fournier, S Edouard, E Angelakis, D Raoult
Bartonella henselae, the agent of cat scratch disease (CSD), appears to be a common organism responsible for lymphadenitis in both adults and children. There is a very low isolation rate for B. henselae from lymph nodes of patients with CSD. Our objective was to evaluate B. henselae viability in a large series of lymph nodes from patients with CSD. From January to November 2016, we analyzed lymph node biopsy samples from patients diagnosed with CSD. We used reverse transcription-quantitative polymerase chain reaction (RT-qPCR) to detect B...
July 2, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28660292/bartonella-in-rodents-and-ectoparasites-in-the-canary-islands-spain-new-insights-into-host-vector-pathogen-relationships
#20
Estefania Abreu-Yanes, Aaron Martin-Alonso, Natalia Martin-Carrillo, Katherine Garcia Livia, Alessandro Marrero-Gagliardi, Basilio Valladares, Carlos Feliu, Pilar Foronda
Bartonella genus is comprised of several species of zoonotic relevance and rodents are reservoirs for some of these Bartonella species. As there were no data about the range of Bartonella species circulating among rodents in the Canary Islands, our main aim was to overcome this lack of knowledge by targeting both the citrate synthase (gltA) and the RNA polymerase beta subunit (rpoB) genes. A total of 181 small mammals and 154 ectoparasites were obtained in three of the Canary Islands, namely Tenerife, La Palma, and Lanzarote...
June 28, 2017: Microbial Ecology
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