Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| thoracic vertebral osteomyelitis with paraspinous mass and intraspinal extension: an atypical presentation of cat-scratch disease. | children with cat-scratch disease (csd) commonly present with fever and tender lymphadenopathy. the disease is mild and manifestations of infection resolve spontaneously within several weeks. however, some children with csd have unusual features that present diagnostic challenges. children with atypical csd may present with prolonged fever, hepatosplenic disease or ocular disease. we performed an mri on a child who presented with persistent back pain. the mri demonstrated a paravertebral mass wi ... | 2011 | 21594549 |
| rickettsia, ehrlichia, anaplasma, and bartonella in ticks and fleas from dogs and cats in bangkok. | abstract flea and tick specimens (5-10 fleas or ticks) on dogs and cats from various sites in bangkok were tested by polymerase chain reaction and dna sequencing to detect dna of bacteria rickettsia (glta and 17 kda genes), anaplasmataceae (16s rrna gene), and bartonella (pap31 and its genes). we confirmed that rickettsia sp. related to rickettsia felis was detected in 66 of 98 (67.4%) flea specimens from dogs, whereas 8 bartonella henselae and 2 bartonella clarridgeiae were detected in 10 of 54 ... | 2011 | 21612535 |
| molecular and serological diagnosis of bartonella infection in 61 dogs from the united states. | background: molecular diagnosis of canine bartonellosis can be extremely challenging and often requires the use of an enrichment culture approach followed by pcr amplification of bacterial dna. hypotheses: (1) the use of enrichment culture with pcr will increase molecular detection of bacteremia and will expand the diversity of bartonella species detected. (2) serological testing for bartonella henselae and bartonella vinsonii subsp. berkhoffii does not correlate with documentation of bacteremia ... | 2011 | 21615498 |
| umbilicated erythematous papules in an immunocompromised patient. | 2011 | 21616459 | |
| bartonella species and their ectoparasites: selective host adaptation or strain selection between the vector and the mammalian host? | a wide range of blood-sucking arthropods have either been confirmed or are suspected as important vectors in bartonella transmission to mammals, including humans. overall, it appears that the diversity of bartonella species dna identified in ectoparasites is much broader than the species detected in their mammalian hosts, suggesting a mechanism of adaptation of bartonella species to their host-vector ecosystem. however, these mechanisms leading to the fitness between the vectors and their hosts ... | 2011 | 21616536 |
| systemic bartonella henselae infection in immunocompetent adult presenting as fever of unknown origin. | systemic clinical presentations of infection caused by bartonella henselae are rare in immunocompetent adults. we report four cases with hepatic and/or splenic involvement, presenting as fever of unknown origin. we discuss diagnosis and treatment of this infection. bartonella henselae serology allows an easy diagnosis of hepatosplenic involvement in cat scratch disease, a clinical picture that appears to be underrecognized. | 2011 | 21629850 |
| differential effects of bartonella henselae on human and feline macro- and micro-vascular endothelial cells. | bartonella henselae, a zoonotic agent, induces tumors of endothelial cells (ecs), namely bacillary angiomatosis and peliosis in immunosuppressed humans but not in cats. in vitro studies on ecs represent to date the only way to explore the interactions between bartonella henselae and vascular endothelium. however, no comparative study of the interactions between bartonella henselae and human (incidental host) ecs vs feline (reservoir host) ecs has been carried out because of the absence of any av ... | 2011 | 21637717 |
| [diversity of blood parasites of genus bartonella in wild rodents in mazury lakes district]. | this long-term study of genetic diversity and epidemiology of the alpha-proteobacterium bartonella in wild rodents from forest (myodes glareolus and apodemus flavicollis) and abandoned farmland (microtus arvalis and mi. oeconomus) was carried out in the years 2007-2009 in the mazury lakes district. in total, 1193 rodents were marked and recaptured, and 2226 blood samples were collected. the highest bartonella prevalence was found in a. flavicollis (43.5%), the lowest in mi. oeconomus (9.4%), whi ... | 2011 | 21638804 |
| vector competence of the tick ixodes ricinus for transmission of bartonella birtlesii. | bartonella spp. are facultative intracellular vector-borne bacteria associated with several emerging diseases in humans and animals all over the world. the potential for involvement of ticks in transmission of bartonella spp. has been heartily debated for many years. however, most of the data supporting bartonellae transmission by ticks come from molecular and serological epidemiological surveys in humans and animals providing only indirect evidences without a direct proof of tick vector compete ... | 2011 | 21655306 |
| molecular evidence of vector-borne pathogens coinfecting dogs from poland. | ticks of the genus ixodes are vectors for many pathogens, including borrelia burgdorferi sensu lato, anaplasma phagocytophilum and rickettsia spp., and may also serve as vectors for bartonella spp. however, the role of ticks in bartonella transmission requires additional studies. the aim of this study was to investigate whether coinfection with two or more vector-borne pathogens can occur in the following three groups of dogs: i - dogs with suspected borreliosis (n = 92), ii - dogs considered he ... | 2011 | 21665575 |
| multi-locus sequence analysis reveals profound genetic diversity among isolates of the human pathogen bartonella bacilliformis. | bartonella bacilliformis is the aetiological agent of human bartonellosis, a potentially life threatening infection of significant public health concern in the andean region of south america. human bartonellosis has long been recognised in the region but a recent upsurge in the number of cases of the disease and an apparent expansion of its geographical distribution have re-emphasized its contemporary medical importance. here, we describe the development of a multi-locus sequence typing (mlst) s ... | 2011 | 21811647 |
| investigation of anaplasmosis in yiyuan county, shandong province, china. | to investigate the situation of anaplasmosis in yiyuan county, shandong province. | 2011 | 21803311 |
| isolation or detection of bartonella vinsonii subspecies berkhoffii and bartonella rochalimae in the endangered island foxes (urocyon littoralis). | bartonella rochalimae (b.r.) and bartonella vinsonii subsp. berkhoffii (b.v.b.) have been isolated from gray foxes (urocyon cinereoargenteus) in mainland california and high bartonella seroprevalence was reported in island foxes (u. litorralis), especially from santa cruz and santa rosa islands. as a follow-up study, the objectives were to determine the prevalence of bartonella bacteremia and seropositivity and to identify the bartonella species infecting a convenience sample of 51 island foxes ... | 2011 | 21802869 |
| bartonella species in wild rodents and the infested fleas in japan. | the purpose of this study was to assess the role of fleas for transmission of bartonella species among wild rodents in japan. flea samples were collected from wild rodents and examined genetically for bartonella infection. bartonella dna was detected from 16 of 40 (40.0%) flea samples. sequence analysis demonstrated that 3 of 16 (18.8%) of the bartonella-positive animals were infested with fleas from which the closely related bartonella dna sequence were detected, indicating that the fleas acqui ... | 2011 | 21791887 |
| optic neuropathy and cat scratch disease. | 2011 | 21779676 | |
| tick-borne infections in dogs-an emerging infectious threat. | many viral, bacterial and parasitic pathogens have been associated with tick transmission, including several recently identified pathogens in both humans and domestic animals, especially dogs. the emergence in dogs of these tick-borne infections has a multi factorial origin. better animal care, better diagnostic tools, and a broader distribution of the vectors in favorable habitats through population migrations including travel with owned pets, translocation or commercial trade of pet dogs, are ... | 2011 | 21777730 |
| human seroreactivity against bartonella species in the democratic republic of congo. | to assess the presence and identity of bartonella species in a pool of human blood samples from drc congo. | 2011 | 21771478 |
| fleas as parasites of the family canidae. | abstract: historically, flea-borne diseases are among the most important medical diseases of humans. plague and murine typhus are known for centuries while the last years brought some new flea-transmitted pathogens, like r. felis and bartonella henselae. dogs may play an essential or an accidental role in the natural transmission cycle of flea-borne pathogens. they support the growth of some of the pathogens or they serve as transport vehicles for infected fleas between their natural reservoirs ... | 2011 | 21767354 |
| an acpxl mutant in rhizobium leguminosarum bv. phaseolus lacks 27-hydroxyoctacosanoic acid in its lipid a and is developmentally delayed during symbiotic infection of the determinate nodulating host plant phaseolus vulgaris. | rhizobium leguminosarum is a gram negative bacterium that forms nitrogen fixing symbioses with compatible leguminous plants via intracellular invasion and establishes a persistent infection within host membrane derived subcellular compartments. notably, an unusual very long chain fatty acid (vlcfa) is found in the lipid a of r. leguminosarum as well as in the lipid a of the medically relevant pathogens brucella abortus, brucella melitensis, bartonella henselae, and legionellae pneumophila which ... | 2011 | 21764936 |
| bartonella spp. in bats, guatemala. | to better understand the role of bats as reservoirs of bartonella spp., we estimated bartonella spp. prevalence and genetic diversity in bats in guatemala during 2009. we found prevalence of 33% and identified 21 genetic variants of 13 phylogroups. vampire bat-associated bartonella spp. may cause undiagnosed illnesses in humans. | 2011 | 21762584 |
| occurrence of babesia spp., rickettsia spp. and bartonella spp. in ixodes ricinus in bavarian public parks, germany. | abstract: background: only limited information is available about the occurrence of ticks and tick-borne pathogens in public parks, which are areas strongly influenced by human beings. for this reason, ixodes ricinus were collected in public parks of different bavarian cities in a 2-year survey (2009 and 2010) and screened for dna of babesia spp., rickettsia spp. and bartonella spp. by pcr. species identification was performed by sequence analysis and alignment with existing sequences in genbank ... | 2011 | 21762494 |
| cytokines and t-lymphocute count in patients in the acute and chronic phases of bartonella bacilliformis infection in an endemic area in peru: a pilot study. | human bartonellosis has an acute phase characterized by fever and hemolytic anemia, and a chronic phase with bacillary angiomatosis-like lesions. this cross-sectional pilot study evaluated the immunology patterns using pre- and post-treatment samples in patients with human bartonellosis. patients between five and 60 years of age, from endemic areas in peru, in the acute or chronic phases were included. in patients in the acute phase of bartonellosis a state of immune peripheral tolerance should ... | 2011 | 21755237 |
| bartonella and intraocular inflammation: a series of cases and review of literature. | to present various forms of uveitis and/or retinal vasculitis attributed to bartonella infection and review the impact of this microorganism in patients with uveitis. | 2011 | 21750616 |
| lyme disease: the next decade. | although lyme disease remains a controversial illness, recent events have created an unprecedented opportunity to make progress against this serious tick-borne infection. evidence presented during the legally mandated review of the restrictive lyme guidelines of the infectious diseases society of america (idsa) has confirmed the potential for persistent infection with the lyme spirochete, borrelia burgdorferi, as well as the complicating role of tick-borne coinfections such as babesia, anaplasma ... | 2011 | 21694904 |
| bartonella henselae infection of prosthetic aortic valve associated with colitis. | abstract the diagnosis of infective endocarditis can be difficult, particularly with atypical presentation and negative blood cultures. a 61-year-old man with a porcine aortic valve presented with fever, intermittent confusion, diarrhea, and fatigue. in the community clinic setting, a colonoscopy performed for anemia demonstrated colitis. symptoms progressed for months; elicitation of a history of significant kitten exposure and the finding of an axillary lymph node prompted testing for bartonel ... | 2011 | 21702667 |
| vertebral osteomyelitis: an unusual presentation of bartonella henselae infection. | objectives: to report cases of cat scratch disease with vertebral osteomyelitis. methods: we describe clinical features, diagnostic, treatment, and outcome of 2 patients with vertebral osteomyelitis due to bartonella henselae and provide a review of the relevant literature. results: a 47-year-old man was investigated for fever, splenomegaly, and cervical adenopathy. a lymphoma was suspected on the clinical picture, the laboratory tests, and the computed tomographic scan. [(18)f]-fluoro-2-deoxy-d ... | 2011 | 21840042 |
| prevalence of infectious diseases in cats and dogs rescued following hurricane katrina. | to determine the prevalence of infectious diseases of animal and zoonotic importance in cats and dogs rescued and transferred from the gulf coast region following hurricane katrina. | 2011 | 21281213 |
| molecular detection of bartonella henselae for the diagnosis of cat scratch disease and bacillary angiomatosis of the conjunctiva. | the purpose of this study was to evaluate clinical cases of cat scratch disease (csd) and bacillary angiomatosis involving the conjunctiva by special stains and transmission electron microscopy (tem) and to compare these findings with the results from species-specific polymerase chain reaction (pcr) analysis of the same specimens. | 2011 | 21282991 |
| rickettsia felis and bartonella henselae in fleas from lebanon. | a total of 155 fleas collected in 2009 in lebanon from 16 cats (104 ctenocephalides felis specimens, 1 c. canis specimen) and 2 dogs (50 c. canis specimens) were tested for the presence of rickettsia spp. and bartonella spp. using molecular methods, including real-time quantitative polymerase chain reaction (pcr), regular pcr, and sequencing of amplified pcr products. rickettsia felis, the agent of the emerging flea-borne spotted fever in humans, was identified in 17 (16%) c. felis cat fleas. ba ... | 2011 | 21284512 |
| bacillary angiomatosis in an immunocompetent child: a case report and review of the literature. | bacillary angiomatosis is an infectious disease caused by 2 gram-negative bacilli, bartonella henselae and bartonella quintana. this disease is characterized by vascular proliferations in the skin and/or visceral organs, and typically manifests in immunocompromised patients. however, we report a case of a 10-year-old immunocompetent female child with a questionable history of being scratched by a cat. although initially diagnosed as a pyogenic granuloma, a diagnosis of bacillary angiomatosis was ... | 2011 | 21285862 |
| combining culture techniques for bartonella: the best of both worlds. | in this study we compared some common bartonella culturing methodologies using four diverse species causing human illnesses. based on a review of the literature, we focused on three major inconsistencies between protocols: base medium, cell coculture, and temperature. our data showed that bartonella tamiae demonstrated temperature-dependent growth limitations between common culturing conditions only 2°c apart. additionally, growth of b. quintana was significantly enhanced by the presence of mamm ... | 2011 | 21289156 |
| combining cytomorphology and serology for the diagnosis of cat scratch disease. | cat scratch disease (csd) is a self limited zoonotic disease that presents most commonly as a regional lymphadenopathy. we are reporting a case of a 25-year-old male patient who presented with fever and large right inguinal lymphadenopathy. the diagnosis of cat scratch disease was confirmed based on the characteristic cytopathological features on aspirate smears from the lymph node and the serological titers for bartonella henselae. this case report emphasizes the importance of combining bartone ... | 2011 | 21319324 |
| parallel evolution of a type iv secretion system in radiating lineages of the host-restricted bacterial pathogen bartonella. | adaptive radiation is the rapid origination of multiple species from a single ancestor as the result of concurrent adaptation to disparate environments. this fundamental evolutionary process is considered to be responsible for the genesis of a great portion of the diversity of life. bacteria have evolved enormous biological diversity by exploiting an exceptional range of environments, yet diversification of bacteria via adaptive radiation has been documented in a few cases only and the underlyin ... | 2011 | 21347280 |
| molecular identification of bartonella quintana infection using species-specific real-time pcr targeting transcriptional regulatory protein (bqtr) gene. | we describe a sybr green i-based real-time pcr targeting bartonella quintana transcriptional regulatory protein (bqtr) gene, recently found as invariant gene among different b.quintana strains. melting curve analysis allowed us to discriminate between b.quintana and bartonella henselae amplified products. we also show its usefulness in the management of a blood culture-negative patient affected by enlarged cervical lymphonodes and long-lasting fever. b.quintana dna detection in patient whole blo ... | 2011 | 21816218 |
| occurrence of bartonella henselae types i and ii in central italian domestic cats. | serological and molecular surveys were conducted to determine the occurrence of bartonella henselae in domestic cats in central italy. samples from 234 pet cats were tested for b. henselae antibodies by indirect immunofluorescence with 78 (33.3%) positive. a pcr assay specific for the bartonella 16s rrna gene was carried out on dna samples extracted from blood of the 234 cats; 26 (11.1%) of the seropositive cats were positive. two pcr protocols, which discriminate genotypes i and ii of b. hensel ... | 2011 | 21824634 |
| occurrence of bartonella henselae and borrelia burgdorferi sensu lato co-infections in ticks collected from humans in germany. | bartonella (b.) henselae is the zoonotic agent of cat scratch disease. b. henselae has been associated with therapy-resistant lyme disease in humans suggesting that b. henselae and borrelia burgdorferi sensu lato might be transmitted concurrently by ticks. in the present study we found that 16 (6.9%) of 230 ixodes ricinus collected from humans harboured dna of bartonella spp. fifteen positive ticks were infected with b. henselae and one tick with b. clarridgeiae. twenty-five percent of the 16 ba ... | 2011 | 21682805 |
| hallucinations, sensory neuropathy, and peripheral visual deficits in a young woman infected with bartonella koehlerae. | a young woman experiencing depression, anxiety, mood swings, severe headaches, muscle spasms, interphalangeal joint stiffness, decreased peripheral vision, diminished tactile sensation, and hallucinations was persistently bartonella koehlerae seroreactive and bacteremic. following antibiotic treatment, b. koehlerae antibodies and dna were not detected and all symptoms resolved. | 2011 | 21734026 |
| ecological diversity of bartonella species infection among dogs and their owner in virginia. | abstract bartonella species comprise a genus of gram-negative, fastidious, intracellular bacteria that have been implicated in association with an increasing spectrum of disease manifestations in dogs and human patients. in this study, chronic canine and human disease, for which causation was not diagnostically defined, were reported by the breeder of a kennel of doberman pinschers. in addition to other diagnostic tests, serology, polymerase chain reaction, and enrichment blood culture were used ... | 2011 | 21736485 |
| conjugative dna transfer into human cells by the virb/vird4 type iv secretion system of the bacterial pathogen bartonella henselae. | bacterial type iv secretion systems (t4ss) mediate interbacterial conjugative dna transfer and transkingdom protein transfer into eukaryotic host cells in bacterial pathogenesis. the sole bacterium known to naturally transfer dna into eukaryotic host cells via a t4ss is the plant pathogen agrobacterium tumefaciens. here we demonstrate t4ss-mediated dna transfer from a human bacterial pathogen into human cells. we show that the zoonotic pathogen bartonella henselae can transfer a cryptic plasmid ... | 2011 | 21844337 |
| bilateral bartonella henselae neuroretinitis with stellate maculopathy in a 6-year-old boy. | purpose: bartonella henselae, the cause of cat-scratch disease in humans, may lead to characteristic vision-threatening ocular findings, which importantly indicate diagnosis. methods: this is an observational case report of a 6-year-old boy who presented with bilateral stellate maculopathy and lymphadenopathy. results: after serologic verification of b. henselae infection, systemic azithromycin therapy initiated the full recovery of visual acuity and bilateral complete resolution of stellate exu ... | 2011 | 21826435 |
| bartonella seroprevalence in rural thailand. | we estimated the prevalence of anti-bartonella antibodies among febrile and non-febrile patients presenting to community hospitals in rural thailand from february 2002 through march 2003. single serum specimens were tested for igg titers to four bartonella species, b. henselae, b. quintana, b. elizabethae and b. vinsonii subsp vinsonii using an indirect immunofluorescent assay. a titer 21:256 was considered positive. forty-two febrile patients (9.9%) and 19 non-febrile patients (19%) had positiv ... | 2011 | 21706948 |
| lack of transovarial transmission of bartonella by rodent fleas. | in this issue of molecular ecology, morick et al. (2011) present an interesting study of acquisition and transmission of bartonella by xenopsylla ramesis fleas (fig. 1) which infest naturally wild desert rodents from the negev desert. a major issue with vector-borne diseases and vector-borne infection is to know whether the vector can also be a natural reservoir and transmit the infectious agent transovarially, allowing the infection to be perpetuated through successive generations of vectors. t ... | 2011 | 21834170 |
| brief communication: evidence of bartonella quintana infections in skeletons of a historical mass grave in kassel, germany. | in 2008, a mass grave was found on the grounds of the university of kassel, germany. historians hypothesized that the individuals died in a typhoid fever epidemic in winter 1813/14. to test this hypothesis, the bones were investigated on the presence of specific dna of pathogens linked to the historical diagnosis oftyphoid fever. it was possible to prove the specific dna of bartonella quintana in three individuals, suggesting that their cause of death is linked to an epidemic background. am j ph ... | 2011 | 21710687 |
| Investigation of Bartonella acquisition and transmission in Xenopsylla ramesis fleas (Siphonaptera: Pulicidae). | Bartonella are emerging and re-emerging pathogens affecting humans and a wide variety of animals including rodents. Horizontal transmission of Bartonella species by different hematophagous vectors is well acknowledged but vertical transmission (from mother to offspring) is questionable and was never explored in fleas. The aim of this study was to investigate whether the rodent flea, Xenopsylla ramesis, can acquire native Bartonella from wild rodents and transmit it transovarially. For this aim, ... | 2011 | 21692752 |
| unknown fever and back pain caused by bartonella henselae in a veterinarian after a needle puncture: a case report and literature review. | abstract bartonella henselae, the etiologic agent of cat-scratch disease, rarely causes back pain and is considered to be transmitted through animal scratches and bites. here we report a cat-scratch disease case possibly with an unusual route of transmission. the patient was a 32-year-old man, and he was working as a veterinarian in a private veterinary clinic. he sought for clinical help because of unknown fever and persistent back pain for at least a month after an accidental needle puncture. ... | 2011 | 20569013 |
| rickettsia felis and bartonella clarridgeiae in fleas from new caledonia. | dog fleas collected in new caledonia harbored flea-borne pathogens rickettsia felis and bartonella clarridgeiae in 81% and 5%, respectively. | 2011 | 20569017 |
| molecular detection of ehrlichia canis, anaplasma bovis, anaplasma platys, candidatus midichloria mitochondrii and babesia canis vogeli in ticks from israel. | : ticks are vectors of important pathogens of human and animals. therefore, their microbial carriage capacity is constantly being investigated. the aim of this study was to characterize the diversity of domestic animal pathogens in ticks collected from vegetation and the ground, from different parts of israel. non-engorged questing adult ticks were collected from 13 localities. a total of 1196 ticks in 131 pools-83 pools of rhipicephalus turanicus and 48 of rhipicephalus sanguineus (with two to ... | 2011 | 20636417 |
| [unilateral neuroretinitis revealing cat-scratch disease]. | we report a case of cat-scratch disease neuroretinitis. a 26-year-old man was referred for severe right visual loss. posterior segment examination showed a papilledema with macular edema. bartonella henselae immunoglobulin g testing was positive. four weeks of antibiotic therapy combining oral ciprofloxacin and doxycycline led to progressive resolution of the neuroretinitis and improvement in visual acuity. this report reminds that b. henselae infection can be the cause of neuroretinitis. its pr ... | 2011 | 20646795 |
| [bilateral inguinal lymphadenopathy and erythema nodosum: an uncommon presentation of cat scratch disease]. | cat scratch disease is usually revealed by a proximal lymphadenopathy related to the inoculation site. we report a 22-year-old female who presented with erythema nodosum and bilateral inguinal lymphadenopathy. serologic test and lymph node pcr detection for bartonella henselae were negative. nevertheless, the patient received doxycycline and clinical manifestations rapidly resolved. a follow-up detection of igm and igg against bartonella henselae performed 1 month later was positive. this case r ... | 2011 | 20646798 |
| neuralgic amyotrophy associated with bartonella henselae infection. | 2011 | 20710009 | |
| bartonella spp.: throwing light on uncommon human infections. | after 2 decades of bartonella research, knowledge on transmission and pathology of these bacteria is still limited. bartonella spp. have emerged to be important pathogens in human and veterinary medicine. for humans, b. henselae is considered to represent the most relevant zoonotic bartonella species and is responsible for cat scratch disease, bacillary angiomatosis, and other disorders. over the years, many bartonella species have been isolated from humans, cats, dogs, and other mammals, and in ... | 2011 | 20833105 |
| cat-scratch uveitis confirmed by histological, serological, and molecular diagnoses. | to report a case of a cat-scratch uveitis caused by bartonella henselae, which was confirmed by histology, serology, and polymerase chain reaction (pcr) methodology. | 2011 | 21099401 |
| recombination within and between species of the alpha proteobacterium bartonella infecting rodents. | bartonella infections from wild mice and voles (apodemus flavicollis, mi. oeconomus, microtus arvalis and myodes glareolus) were sampled from a forest and old-field habitats of eastern poland; a complex network of bartonella isolates, referrable to b. taylorii, b. grahamii, b. birtlesii and b. doshiae, was identified by the sequencing of a glta fragment, comparable to previous studies of bartonella diversity in rodents. nested clade analysis showed that isolates could be assigned to zero- and on ... | 2011 | 20740281 |
| arthropod-borne diseases associated with political and social disorder. | the living conditions and the crowded situations of the homeless, war refugees, or victims of a natural disaster provide ideal conditions for the spread of lice, fleas, ticks, flies and mites. the consequence of arthropod infestation in these situations is underestimated. along with louse-borne infections such as typhus, trench fever, and relapsing fever, the relationship between acinetobacter spp.-infected lice and bacteremia in the homeless is not clear. murine typhus, tungiasis, and myiasis a ... | 2011 | 20822446 |
| [vasoproliferative retinal tumours]. | vasoproliferative retinal tumors are benign tumors of unknown origin often accompanied by vitreoretinal inflammation. a 21-year-old female patient presented with acute reduced unilateral visual acuity. a solid yellow vascularized lesion was present in the inferior temporal retina accompanied by localized retinal detachment and accumulation of hard exudations. the only finding was an increased bartonella henselae titer. persistence of uveitis and blurred vision led to therapy for bartonella hense ... | 2011 | 21153829 |
| fic domain-catalyzed adenylylation: insight provided by the structural analysis of the type iv secretion system effector bepa. | numerous bacterial pathogens subvert cellular functions of eukaryotic host cells by the injection of effector proteins via dedicated secretion systems. the type iv secretion system (t4ss) effector protein bepa from bartonella henselae is composed of an n-terminal fic domain and a c-terminal bartonella intracellular delivery domain, the latter being responsible for t4ss-mediated translocation into host cells. a proteolysis resistant fragment (residues 10-302) that includes the fic domain shows au ... | 2011 | 21213248 |
| suspecting optic neuritis, diagnosing bartonella cat scratch disease. | bartonella cat scratch disease is classically a febrile illness, in conjunction with lymphadenopathy and cat exposure. | 2011 | 21220684 |
| persistent infection or successive reinfection of deer mice with bartonella vinsonii subsp. arupensis. | bartonella infections are common in rodents. from 1994 to 2006, longitudinal studies of a rodent community, consisting mainly of deer mice (peromyscus maniculatus), were conducted in southwestern colorado to study hantaviruses. blood samples from deer mice captured one or more times during the period 2003 to 2006 (n = 737) were selected to study bartonellae in deer mice. bartonellae were found to be widely distributed in that population, with an overall prevalence of 82.4% (607/737 mice). no cor ... | 2011 | 21239553 |
| cat-scratch disease. | cat-scratch disease is a common infection that usually presents as tender lymphadenopathy. it should be included in the differential diagnosis of fever of unknown origin and any lymphadenopathy syndrome. asymptomatic, bacteremic cats with bartonella henselae in their saliva serve as vectors by biting and clawing the skin. cat fleas are responsible for horizontal transmission of the disease from cat to cat, and on occasion, arthropod vectors (fleas or ticks) may transmit the disease to humans. ca ... | 2011 | 21243990 |
| unusual retinal manifestations of cat scratch disease. | we report on 2 patients with unusual retinal manifestations of cat scratch disease (csd), caused by bartonella henselae. case 1. a 42-year-old farmer presented with a 5-day history of blurred vision in his right eye. right visual acuity was 20/25. fundus examination of the right eye revealed mild vitreous hemorrhage and diffuse retinal hemorrhages in the mid-peripheral retina. fluorescein angiography showed multiple vasculitic occlusions in the same area. a blood sample taken on the day of exami ... | 2011 | 21267628 |
| optic neuropathy secondary to cat scratch disease: case report. | optic neuropathy due to cat scratch disease is a relatively infrequent occurrence associated with macular star formation and is characterized by sudden painless loss of vision mostly unilateral. bartonella henselae is well recognized as the etiologic agent in cat scratch disease. ocular complications of the disease occur in up to 10% of patients and include neuroretinitis. ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. ... | 2010 | 21271032 |
| cat scratch disease presenting as acute mastoiditis. | to present the first published case of cat scratch disease presenting as acute mastoiditis and review the relevant literature to discuss the otolaryngologic manifestations of this disease and its treatment. | 2010 | 21225820 |
| candidatus bartonella antechini: a novel bartonella species detected in fleas and ticks from the yellow-footed antechinus (antechinus flavipes), an australian marsupial. | bartonella are fastidious, gram-negative, aerobic bacilli belonging to the alphaproteobacteria group. in the last ten years, the discovery of new bartonella species from a variety of mammalian hosts, arthropod vectors and geographical areas has increased. more than 20 species of bartonella have been identified, of which approximately thirteen are associated with disease in humans and animals. recently, four novel species of bartonella were isolated from mammalian hosts in australia: bartonella a ... | 2010 | 21215534 |
| questing ticks in suburban forest are infected by at least six tick-borne pathogens. | abstract the role of ixodes ricinus ticks in the transmission of pathogens of public health importance such as borrelia burgdorferi s.l. is widely recognized and is suspected in several emerging vector-borne pathogens in europe. here, we assess prevalence rates of several endemic and emerging zoonotic pathogens in tick populations in an area of high human population density in france, to contribute to a risk assessment for potential transmission to humans. pathogen prevalence rates were evaluate ... | 2010 | 21158500 |
| [sero-epidemiologic investigation on tick-borne diseases of humans and domestic animals in zhejiang province.] | objective: to investigate the seroprevalence of tick-borne diseases in humans and domestic animals from rural areas of zhejiang province. methods: anji county, jindong district and tiantai county were selected for samples collection according to their geographic locations and historical prevalence of tick-borne diseases. blood samples of humans and domestic animals were collected in the three sites. an indirect immuno-fluorescent antibody test was used to determine the presence of igg antibodies ... | 2010 | 21162818 |
| comparison of two sampling methods for microbiological evaluation of periodontal disease in cats. | periodontal disease in cats is highly prevalent, and its aetiology is associated to bacteria located in the subgingival microbiota, being porphyromonas sp. the most prevalent genus. the conventional technique to sample the subgingival microbiota is the use of cotton swabs over the mucosa and teeth; however the use of subgingival paper points could improve the bacterial recovery. | 2010 | 21168288 |
| [cat scratch disease associated neuroretinitis: clinical report and review of the literature]. | cat scratch disease is the main clinical presentation of bartonella henselae infection. however, ocular manifestations of bartonellosis occur in about 5 to 10% of the patients, mainly presenting as neuroretinitis, choroiditis or oculoglandular syndrome of parinaud. we describe two patients with documented b. henselae infection and typical ocular compromise. both patients were treated and had a favorable visual outcome. | 2010 | 21186508 |
| comments on the manuscript by bitam et al., 'fleas and flea-borne diseases'. | 2010 | 21193340 | |
| bartonella and babesia infections in cattle and their ticks in taiwan. | bartonella and babesia infections and the association with cattle breed and age as well as tick species infesting selected cattle herds in taiwan were investigated. blood samples were collected from 518 dairy cows and 59 beef cattle on 14 farms and 415 ticks were collected from these animals or in a field. bartonella and babesia species were isolated and/or detected in the cattle blood samples and from a selected subset (n=254) of the ticks either by culture or dna extraction, pcr testing and dn ... | 2010 | 21194750 |
| cat scratch disease and arthropod vectors: more to it than a scratch? | cat scratch disease is a common infection, particularly in children, and clinicians need to be aware of its potential transmission to humans by arthropod vectors such as fleas and ticks in addition to animal bites and scratches. the absence of a vertebrate bite or scratch does not preclude infection with bartonella henselae. | 2010 | 20823366 |
| [neuroretinitis in cat scratch disease]. | purpose: to present two cases of neuroretinitis in cat scratch disease we present two girls treated in department of ophthalmology of poznai university of medical sciences because of unilateral, painless decrease of vision. both patients presented following cat exposure fever and lymph nodes swelling. ophthalmoscopic findings was neuroretinitis (optic disc edema with the macular star). bartonella henselae antibody titers (igg) were elevated. csd is usually self-limited infection in immunocompete ... | 2010 | 20825068 |
| evolution of clinical, haematological and biochemical findings in young dogs naturally infected by vector-borne pathogens. | longitudinal studies evaluating the evolution of clinical, haematological, biochemical findings in young dogs exposed for the first time to multiple vector-borne pathogens have not been reported. with the objective of assessing the evolution of clinical, haematological and biochemical findings, these parameters were serially monitored in naturally infected dogs throughout a 1-year follow-up period. young dogs, infected by vector-borne pathogens based on cytology or polymerase chain reaction, wer ... | 2010 | 21106311 |
| prevalence of bartonella henselae and bartonella clarridgeiae in cats in the south of brazil: a molecular study. | bartonella spp are the causative agent of cat scratch disease in humans. cats are the natural reservoir of these bacteria and may infect humans through scratches, bites or fleas. blood samples from 47 cats aged up to 12 months were collected for this study. all animals were lodged in municipal animal shelters in the vale do sinos region, rio grande do sul, brazil. bartonella spp were detected by genus-specific polymerase chain reaction (pcr) and when the pcr was positive, the species were determ ... | 2010 | 21120356 |
| bartonella spp. in bats, kenya. | we report the presence and diversity of bartonella spp. in bats of 13 insectivorous and frugivorous species collected from various locations across kenya. bartonella isolates were obtained from 23 eidolon helvum, 22 rousettus aegyptiacus, 4 coleura afra, 7 triaenops persicus, 1 hipposideros commersoni, and 49 miniopterus spp. bats. sequence analysis of the citrate synthase gene from the obtained isolates showed a wide assortment of bartonella strains. phylogenetically, isolates clustered in spec ... | 2010 | 21122216 |
| bartonella henselae in skin biopsy specimens of patients with cat-scratch disease. | during the past 2 years, we identified live bartonella henselae in the primary inoculation sites of 3 patients after a cat scratch. although our data are preliminary, we report that a cutaneous swab of the skin lesion from a patient in the early stage of cat-scratch disease can be useful for diagnosis of the infection. | 2010 | 21122232 |
| multispacer typing of bartonella henselae isolates from humans and cats, japan. | to determine genotypic distribution of and relationship between human and cat strains of bartonella henselae,we characterized 56 specimens using multispacer typing (mst). of 13 mst genotypes identified, 12 were grouped into cluster 1. in japan, human infections can be caused by b. henselae strains in cluster 1. | 2010 | 21122238 |
| molecular detection of bartonella alsatica in rabbit fleas, france. | 2010 | 21122251 | |
| bartonella infection: treatment and drug resistance. | bartonella species, which belong to the α-2 subgroup of proteobacteria, are fastidious gram-negative bacteria that are highly adapted to their mammalian host reservoirs. bartonella species are responsible for different clinical conditions affecting humans, including carrion's disease, cat scratch disease, trench fever, bacillary angiomatosis, endocarditis and peliosis hepatis. while some of these diseases can resolve spontaneously without treatment, in other cases, the disease is fatal without a ... | 2010 | 21133691 |
| bartonella infection in shelter cats and dogs and their ectoparasites. | abstract mainly through vector transmission, domestic cats and dogs are infected by several bartonella spp. and represent a large reservoir for human infections. this study investigated the relationship of prevalences of bartonella infection in shelter dogs and cats and various ectoparasite species infesting them (fleas, ticks, and lice). moreover, relationships between bartonella infection and animal gender and age and presence of ectoparasites were analyzed. blood samples were collected from 1 ... | 2010 | 21142966 |
| cardiac troponin-i concentrations in dogs with bradyarrhythmias before and after artificial pacing. | to quantify cardiac troponin-i (ctni) concentration in dogs with symptomatic bradyarrhythmias before and after artificial pacing and to correlate ctni concentration with diagnosis, echocardiographic parameters, serology, and outcome. | 2010 | 21030328 |
| occlusive vasculitis and optic disk neovascularization associated with neuroretinitis. | to report a case of neuroretinitis associated with ischemic nasal branch retinal vein occlusion, periphlebitis, and neovascularization of the optic disk. | 2010 | 21034304 |
| a comparative study of the interaction of bartonella henselae strains with human endothelial cells. | bartonella henselae can cause a wide range of clinical outcomes and may lead to severe disease, especially in patients with acquired immunodeficiency syndrome. it is well-known that b. henselae-induced cell proliferation is mediated by anti-apoptotic activity; however, the detailed mechanism is still unclear. in this study, the cellular responses of endothelial cells after infection with four b. henselae strains were compared and protein candidates that may be involved in the interaction between ... | 2010 | 21035278 |
| prevalence and genetic diversity of bartonella species detected in different tissues of small mammals in nepal. | bartonellae were detected in a total of 152 (23.7%) of 642 tissues from 108 (48.4%) of 223 small mammals trapped in several urban areas of nepal. based on rpob and glta sequence analyses, genotypes belonging to seven known bartonella species and five genotypes not belonging to previously known species were identified in these animals. | 2010 | 21037303 |
| relevance of feline calicivirus, feline immunodeficiency virus, feline leukemia virus, feline herpesvirus and bartonella henselae in cats with chronic gingivostomatitis. | despite its common occurrence, the aetiology of chronic gingivostomatitis in cats remains uncertain. aetiology is likely multifactorial, and several infectious agents may be associated with chronic gingivostomatitis. the purpose of this study was to investigate the prevalence of feline calicivirus (fcv), feline immunodeficiency virus (fiv), feline leukemia virus (felv), feline herpesvirus (fhv), and bartonella henselae (b. henselae) in cats with chronic gingivostomatitis and in an age-matched co ... | 2010 | 21038808 |
| the bartonella henselae virb/bep system interferes with vascular endothelial growth factor (vegf) signalling in human vascular endothelial cells. | the vasculotropic pathogen bartonella henselae (bh) intimately interacts with human endothelial cells (ecs) and subverts multiple cellular functions. here we report that bh specifically interferes with vascular endothelial growth factor (vegf) signalling in ecs. bh infection abrogated vegf-induced proliferation and wound closure of ec monolayers as well as the capillary-like sprouting of ec spheroids. on the molecular level, bh infection did not alter vegf receptor 2 (vegfr2) expression or cell ... | 2010 | 21044238 |
| [fever of unknown origin and detection of bartonella henselae igg seropositivity: a case report.] | bartonella henselae, is a gram-negative bacterium which causes cat scratch disease (csd) in man. there are sporadic case reports of csd in turkey. cats play an important reservoir role for b.henselae transmission to man. in this report, a cat owner with fever of unknown origin was presented. bartonella spp. was isolated from the blood culture of cat which had chronic progressive gingivostomatitis. b.henselae was identified by amplification of a region of citrate synthase (glta) gene by using pol ... | 2010 | 21064000 |
| prevalence of bartonella species dna and antibodies in cats (felis catus) submitted to a spay/neuter program in rio de janeiro, brazil. | the prevalence of bartonella species dna and antibodies for bartonella henselae were studied in 40 clinically healthy cats (felis catus, linnaeus 1758) submitted to a spay/neuter program in rio de janeiro, brazil. additionally, the prevalence of bartonella species dna was investigated in the fleas found parasitizing the subject cats. for this purpose, blood samples were obtained from all cats, and dna extraction was performed on the blood, and blood clotted samples, as well as on pools of fleas ... | 2010 | 21071251 |
| bacillary angiomatosis with atypical clinical presentation in an immunocompetent patient. | bacillary angiomatosis is a recently described infectious disease that usually affects immunosupressed hosts with a previous history of contact with cats. we report a rare case of bacillary angiomatosis in an immunocompetent 59-year-old woman with no history of previous exposure to cats, and atypical clinical features (fever and subcutaneous nodules with ulceration on the left ankle). histopathology of the lesion showed extensive ulceration and reactive tumor-like vascular proliferation of the b ... | 2010 | 21079313 |
| the occurrence of spotted fever rickettsioses and other tick-borne infections in forest workers in poland. | abstract the presence of antibodies to rickettsia conorii, r. helvetica, r. felis, r. slovaca, r. sibirica, and r. massiliae in sera of 129 forest workers from northeastern and southern poland was assayed by indirect immunofluorescence. previous environmental studies revealed presence of spotted fever group (sfg) rickettsiae in ticks collected from these areas. additionally, the workers were examinated for the presence of antibodies specific to other tick-borne bacteria: anaplasma phagocytophilu ... | 2010 | 21083370 |
| bartonellosis diagnosis requires careful evaluation. | 2010 | 20835501 | |
| impairment of circulating endothelial progenitors in down syndrome. | pathological angiogenesis represents a critical issue in the progression of many diseases. down syndrome is postulated to be a systemic anti-angiogenesis disease model, possibly due to increased expression of anti-angiogenic regulators on chromosome 21. the aim of our study was to elucidate some features of circulating endothelial progenitor cells in the context of this syndrome. | 2010 | 20836844 |
| [treatment of human infections caused by bartonella spp.]. | infections by bartonella spp. include a wide spectrum of emerging and re-emerging infectious diseases. there is not a universal therapy for this infection, therefore treatment should be chosen individually. the aim of this review is to update the therapeutics aspects of this kind of infections. | 2010 | 20844840 |
| a first japanese case of bartonella henselae-induced endocarditis diagnosed by prolonged culture of a specimen from the excised valve. | bartonella henselae, the causative agent of cat scratch disease, is increasingly recognized as a cause of culture-negative endocarditis. this report describes the first japanese case, which was diagnosed after a prolonged culture of the excised aortic valve. high igg and igm titers to b. henselae pointed to a subacute course of the disease. | 2010 | 20846591 |
| prevalence of select infectious agents in inflammatory aural and nasopharyngeal polyps from client-owned cats. | benign, inflammatory polyps may affect the nasopharynx and auditory canal of cats. it has been proposed that inflammation induced by infectious disease agents could trigger polyp formation. the objective of this pilot study was to determine the prevalence of feline herpesvirus-1 (fhv-1), feline calicivirus (fcv), mycoplasma species, bartonella species and chlamydophila felis nucleic acids in polyp tissues collected from 30 clinically affected cats. samples collected from the tympanic bulla from ... | 2010 | 20850367 |
| evidence of transfer by conjugation of type iv secretion system genes between bartonella species and rhizobium radiobacter in amoeba. | bartonella species cospeciate with mammals and live within erythrocytes. even in these specific niches, it has been recently suggested by bioinformatic analysis of full genome sequences that lateral gene transfer (lgt) may occur but this has never been demonstrated biologically. here we describe the sequence of the b. rattaustraliani (aust/nh4(t)) circular plasmid (pnh4) that encodes the tra cluster of the type iv secretion system (t4ss) and we eventually provide evidence that bartonella species ... | 2010 | 20856925 |
| combined mlst and aflp typing of bartonella henselae isolated from cats reveals new sequence types and suggests clonal evolution. | bartonella species are gram-negative, fastidious bacteria. bartonella henselae is found in cats and transmitted to humans via cat scratches or bites causing cat-scratch disease, characterized by clinical symptoms with varying severity. the prevalence of bartonellosis among humans in germany appears to be high, and severe clinical cases have been described. however, epidemiological data of b. henselae in cats are rare. in this study we determined the detection rates of bartonella ssp. in cats by ... | 2010 | 20863631 |
| rats as indicators of the presence and dispersal of six zoonotic microbial agents in cyprus, an island ecosystem: a seroepidemiological study. | a total of 622 rats (402 rattus norvegicus and 220 r. rattus frugivorus) were collected in 51 different areas in cyprus during 2000-2003 and used as indicators of the presence and dispersal of six zoonotic microbial agents. igg antibodies against rickettsia typhi (241/496, 48.6%), r. conorii (209/500, 41.8%), toxoplasma sp. (138/494, 27.9%), coxiella burnetti (63/494, 12.8%), bartonella henselae (52/494, 10.5%) and leishmania infantum (36/494, 7.3%) were detected by indirect immunofluorescence t ... | 2010 | 20870259 |
| multi-locus sequence analysis reveals host specific association between bartonella washoensis and squirrels. | to clarify phylogenetic relationships and genetic diversity among bartonella washoensis strains obtained from squirrels, multi-locus sequence analysis (mlsa) with the 16s rrna, ftsz, glta, groel, ribc, and rpob genes was applied for 20 strains of b. washoensis isolated from five genera of squirrels (tamias, tamiasciurus, glaucomys, sciurus, and spermophilus) within the family sciuridae. sequence similarities in the concatenated sequences of b. washoensis strains from squirrels of different gener ... | 2010 | 20884133 |
| pathogens and symbionts in ticks: a survey on tick species distribution and presence of tick-transmitted micro-organisms in sardinia, italy. | a total of 1485 adult ticks were collected from mammalian hosts in south-eastern sardinia, italy, during the years 2007-2008. ticks were identified and tested by pcr analysis for presence of rickettsia species of the spotted fever group, ehrlichia canis, anaplasma phagocytophilum, coxiella burnetii, bartonella species and leishmania species. among all tick species examined (rhipicephalus sanguineus, rhipicephalus turanicus, rhipicephalus bursa, rhipicephalus pusillus, hyalomma marginatum margina ... | 2010 | 20884769 |
| bartonella species in small mammals and their ectoparasites in taiwan. | bartonella spp. prevalence in small mammals and their ectoparasites was investigated in taiwan. blood samples were obtained from 66 rats, 20 shrews, 276 mites (laelaps spp.), 74 fleas (xenopsylla cheopis), 81 lice (polyplax spp.), and 47 ticks (41 dermacentor spp. and 6 ixodes spp.). bartonellae were isolated or detected in 27 (31.4%) animals. bartonella dna was detected in 48 (64.9%) fleas and 11 (64.7%) pooled lice samples, but not in mite and tick samples. bartonella phoceensis, b. queensland ... | 2010 | 20889892 |