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https://www.readbyqxmd.com/read/28221130/whole-genome-analysis-of-bartonella-ancashensis-a-novel-pathogen-causing-verruga-peruana-rural-ancash-region-peru
#1
Kristin E Mullins, Jun Hang, Robert J Clifford, Fatma Onmus-Leone, Yu Yang, Ju Jiang, Mariana Leguia, Matthew R Kasper, Ciro Maguina, Emil P Lesho, Richard G Jarman, Allen Richards, David Blazes
The genus Bartonella contains >40 species, and an increasing number of these Bartonella species are being implicated in human disease. One such pathogen is Bartonella ancashensis, which was isolated in blood samples from 2 patients living in Caraz, Peru, during a clinical trial of treatment for bartonellosis. Three B. ancashensis strains were analyzed by using whole-genome restriction mapping and high-throughput pyrosequencing. Genome-wide comparative analysis of Bartonella species showed that B. ancashensis has features seen in modern and ancient lineages of Bartonella species and is more related to B...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28221109/potentially-zoonotic-bartonella-in-bats-from-france-and-spain
#2
Matthew J Stuckey, Henri-Jean Boulouis, Florence Cliquet, Evelyne Picard-Meyer, Alexandre Servat, Nidia Aréchiga-Ceballos, Juan E Echevarría, Bruno B Chomel
We detected Bartonella in 11 of 109 insectivorous bats from France and 1 of 26 bats from Spain. These genetic variants are closely related to bat-associated Bartonella described in Finland and the United Kingdom and to B. mayotimonensis, the agent of a human endocarditis case in the United States.
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28209111/prolonged-course-of-hepatic-granulomatous-disease-due-to-bartonella-henselae-infection
#3
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
#4
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/28197898/prevalence-and-phylogenetic-analysis-of-bartonella-species-of-wild-carnivores-and-their-fleas-in-northwestern-mexico
#5
A M López-Pérez, L Osikowicz, Y Bai, J Montenieri, A Rubio, K Moreno, K Gage, G Suzán, M Kosoy
The host-parasite-vector relationship of Bartonella spp. system in wild carnivores and their fleas from northwestern Mexico was investigated. Sixty-six carnivores belonging to eight species were sampled, and 285 fleas belonging to three species were collected during spring (April-May) and fall (October-November) seasons. We detected Bartonella species in 7 carnivores (10.6%) and 27 fleas (9.5%) through either blood culture or PCR. Of the 27 Bartonella-positive fleas, twenty-two were Pulex simulans, three were Pulex irritans and one was Echidnophaga gallinacea...
February 14, 2017: EcoHealth
https://www.readbyqxmd.com/read/28193163/prevalence-and-clinical-presentation-of-rickettsia-coxiella-leptospira-bartonella-and-chikungunya-virus-infections-among-hospital-based-febrile-patients-from-december-2008-to-november-2009-in-bangladesh
#6
Labib Imran Faruque, Rashid Uz Zaman, Emily S Gurley, Robert F Massung, A S M Alamgir, Renee L Galloway, Ann M Powers, Ying Bai, Michael Kosoy, William L Nicholson, Mahmudur Rahman, Stephen P Luby
BACKGROUND: We conducted a study to identify Rickettsia, Coxiella, Leptospira, Bartonella, and Chikungunya virus infections among febrile patients presenting at hospitals in Bangladesh. METHODS: We collected blood samples from patients at six tertiary hospitals from December 2008 to November 2009 and performed laboratory tests at the United States Centers for Disease Control and Prevention (CDC). RESULTS: Out of 720 enrolled patients, 263 (37%) were infected with Rickettsia; 132 patients had immunofluorescence antibody titer >64 against spotted fever, 63 patients against scrub typhus fever and 10 patients against typhus fever...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28182175/diverse-clinical-signs-of-ocular-involvement-in-cat-scratch-disease
#7
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/28165925/molecular-detection-of-candidatus-bartonella-mayotimonensis-in-north-american-bats
#8
Thomas M Lilley, Cali A Wilson, Riley F Bernard, Emma V Willcox, Eero J Vesterinen, Quinn M R Webber, Laura Kurpiers, Jenni M Prokkola, Imran Ejotre, Allen Kurta, Kenneth A Field, DeeAnn M Reeder, Arto T Pulliainen
Candidatus Bartonella mayotimonensis was detected in 2010 from an aortic valve sample of a patient with endocarditis from Iowa, the United States of America. The environmental source of the potentially new endocarditis-causing Bartonella remained elusive. We set out to study the prevalence and diversity of bat-associated Bartonella in North America. During 2015, mist nets and harp traps were used to capture 92 bats belonging to two species: little brown myotis (Myotis lucifugus Le Conte 1831, n = 73) and the gray myotis (M...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165916/acute-and-late-bartonella-henselae-murine-model-infection
#9
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...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28150014/dynamics-of-co-infection-with-bartonella-henselae-genotypes-i-and-ii-in-naturally-infected-cats-implications-for-feline-vaccine-development
#10
Camille Huwyler, Nadja Heiniger, Bruno B Chomel, Minsoo Kim, Rickie W Kasten, Jane E Koehler
Bartonella henselae is an emerging bacterial pathogen causing cat-scratch disease and potentially fatal bacillary angiomatosis in humans. Bacteremic cats constitute a large reservoir for human infection. Although feline vaccination is a potential strategy to prevent human infection, selection of appropriate B. henselae strains is critical for successful vaccine development. Two distinct genotypes of B. henselae (type I, type II) have been identified and are known to co-infect the feline host, but very little is known about the interaction of these two genotypes during co-infection in vivo...
February 2, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28141857/intestinal-parasites-and-vector-borne-pathogens-in-stray-and-free-roaming-cats-living-in-continental-and-insular-greece
#11
Anastasia Diakou, Angela Di Cesare, Paolo Matteo Accettura, Luciano Barros, Raffaella Iorio, Barbara Paoletti, Antonio Frangipane di Regalbono, Lénaïg Halos, Frederic Beugnet, Donato Traversa
This survey investigated the distribution of various intestinal parasites and vector-borne pathogens in stray and free-roaming cats living in four regions of Greece. A total number of one hundred and fifty cats living in three Islands (Crete, Mykonos and Skopelos) and in Athens municipality was established as a realistic aim to be accomplished in the study areas. All cats were examined with different microscopic, serological and molecular assays aiming at evaluating the occurrence of intestinal parasites, and exposure to or presence of vector-borne infections...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28133871/bartonellosis-one-health-and-all-creatures-great-and-small
#12
REVIEW
Edward B Breitschwerdt
BACKGROUND: Bartonellosis is a zoonotic infectious disease of worldwide distribution, caused by an expanding number of recently discovered Bartonella spp. OBJECTIVES: This review serves as an update on comparative medical aspects of this disease, including the epidemiology, pathogenesis, clinical diagnosis, treatment and challenges. RESULTS: Of comparative medical importance, Bartonella spp. are transmitted by several arthropod vectors, including fleas, keds, lice, sand flies, ticks and, potentially, mites and spiders...
February 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28131381/bartonella-bovis-and-candidatus-bartonella-davousti-in-cattle-from-senegal
#13
Mustapha Dahmani, Masse Sambou, Pierre Scandola, Didier Raoult, Florence Fenollar, Oleg Mediannikov
In Senegal, domestic ruminants play a vital role in the economy and agriculture and as a food source for people. Bartonellosis in animals is a neglected disease in the tropical regions, and little information is available about the occurrence of this disease in African ruminants. Human bartonellosis due to Bartonella quintana has been previously reported in Senegal. In this study, 199 domestic ruminants, including 104 cattle, 43 sheep, and 52 goats were sampled in villages from the Senegalese regions of Sine Saloum and Casamance...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28130406/prevalence-of-bartonella-species-infections-in-cats-in-southern-germany
#14
M Bergmann, T Englert, B Stuetzer, J R Hawley, M R Lappin, K Hartmann
Bartonella species are zoonotic pathogens, and infections in cats are common. However, prevalence in cats in Southern Germany is still unknown. Therefore, prevalence of Bartonella species DNA in blood of 479 Southern German cats was determined using a previously published conventional PCR targeting a fragment of the 16S-23S rRNA intergenic spacer region. Associations between Bartonella bacteraemia, housing conditions, feline immunodeficiency virus (FIV) and feline leukaemia virus (FeLV) status, including progressive, regressive and abortive FeLV infection, were evaluated using Fisher's exact test...
January 27, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28129398/molecular-survey-of-bacterial-zoonotic-agents-in-bats-from-the-country-of-georgia-caucasus
#15
Ying Bai, Lela Urushadze, Lynn Osikowicz, Clifton McKee, Ivan Kuzmin, Andrei Kandaurov, Giorgi Babuadze, Ioseb Natradze, Paata Imnadze, Michael Kosoy
Bats are important reservoirs for many zoonotic pathogens. However, no surveys of bacterial pathogens in bats have been performed in the Caucasus region. To understand the occurrence and distribution of bacterial infections in these mammals, 218 bats belonging to eight species collected from four regions of Georgia were examined for Bartonella, Brucella, Leptospira, and Yersinia using molecular approaches. Bartonella DNA was detected in 77 (35%) bats from all eight species and was distributed in all four regions...
2017: PloS One
https://www.readbyqxmd.com/read/28127053/comparison-of-bacterial-microbiota-of-the-predatory-mite-neoseiulus-cucumeris-acari-phytoseiidae-and-its-factitious-prey-tyrophagus-putrescentiae-acari-acaridae
#16
Apostolos Pekas, Eric Palevsky, Jason C Sumner, M Alejandra Perotti, Marta Nesvorna, Jan Hubert
Neoseiulus cucumeris is a predatory mite used for biological control of arthropod pests. Mass-reared predators are fed with factitious prey mites such as Tyrophagus putrescentiae. Although some information on certain endosymbionts of N. cucumeris and T. putrescentiae exists, it is unclear whether both species share bacterial communities. The bacterial communities in populations of predator and prey mites, as well as the occurence of potential acaropathogenic bacteria were analyzed. The comparisons were based on the following groups: (i) N...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28115179/cat-fleas-ctenocephalides-felis-from-cats-and-dogs-in-new-zealand-molecular-characterisation-presence-of-rickettsia-felis-and-bartonella-clarridgeiae-and-comparison-with-australia
#17
COMPARATIVE STUDY
Shona Chandra, Maureen Forsyth, Andrea L Lawrence, David Emery, Jan Šlapeta
The cat flea (Ctenocephalides felis) is the most common flea species parasitising both domestic cats and dogs globally. Fleas are known vectors of zoonotic pathogens such as vector borne Rickettsia and Bartonella. This study compared cat fleas from domestic cats and dogs in New Zealand's North and South Islands to Australian cat fleas, using the mitochondrial DNA (mtDNA) marker, cytochrome c oxidase subunit I and II (cox1, cox2). We assessed the prevalence of Rickettsia and Bartonella using genus specific multiplexed real-time PCR assays...
January 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28105732/comparison-of-the-proliferation-and-excretion-of-bartonella-quintana-between-body-and-head-lice-following-oral-challenge
#18
J H Kim, D J Previte, K S Yoon, E Murenzi, J E Koehler, B R Pittendrigh, S H Lee, J M Clark
Human body and head lice are highly related haematophagous ectoparasites but only the body louse has been shown to transmit Bartonella quintana, the causative agent of trench fever. The mechanisms by which body lice became a vector for B. quintana, however, are poorly understood. Following oral challenge, green fluorescent protein-expressing B. quintana proliferated over 9 days postchallenge with the number of bacteria being significantly higher in whole body vs. head lice. The numbers of B. quintana detected in faeces from infected lice, however, were approximately the same in both lice...
January 20, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28099606/bacillary-angiomatosis-with-bone-invasion
#19
Lucia Martins Diniz, Karina Bittencourt Medeiros, Luana Gomes Landeiro, Elton Almeida Lucas
Bacillary angiomatosis is an infection determined by Bartonella henselae and B. quintana, rare and prevalent in patients with acquired immunodeficiency syndrome. We describe a case of a patient with AIDS and TCD4+ cells equal to 9/mm3, showing reddish-violet papular and nodular lesions, disseminated over the skin, most on the back of the right hand and third finger, with osteolysis of the distal phalanx observed by radiography. The findings of vascular proliferation with presence of bacilli, on the histopathological examination of the skin and bone lesions, led to the diagnosis of bacillary angiomatosis...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28095503/detection-of-a-potential-new-bartonella-species-candidatus-bartonella-rondoniensis-in-human-biting-kissing-bugs-reduviidae-triatominae
#20
Maureen Laroche, Jean-Michel Berenger, Oleg Mediannikov, Didier Raoult, Philippe Parola
BACKGROUND: Among the Reduviidae family, triatomines are giant blood-sucking bugs. They are well known in Central and South America where they transmit Trypanosoma cruzi to mammals, including humans, through their feces. This parasitic protozoan is the causative agent of Chagas disease, a major public health issue in endemic areas. Because of the medical and economic impact of Chagas disease, the presence of other arthropod-borne pathogens in triatomines was rarely investigated. METHODOLOGY/PRINCIPAL FINDINGS: In this study, seven triatomines species involved in the transmission of T...
January 2017: PLoS Neglected Tropical Diseases
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