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Bartonella henselae is an emerging bacterial pathogen, causing cat scratch disease and bacillary angiomatosis. Cats bacteremic with B. henselae constitute a large reservoir from which humans become infected. Prevention of human infection depends on elucidation of the natural history and means of feline infection. We studied 47 cattery cats in a private home(More)
5 Members of the genus Bartonella are facultative intracellular bacteria belonging to the alpha 2 subgroup of the class Pro-teobacteria and are phylogenetically closely related to Brucella species (15, 73). Until 1993, only three diseases were known to be caused by Bartonella species: Carrion's disease (Bar-tonella bacilliformis), trench fever (Bartonella(More)
To estimate the burden of reptile- and amphibian-associated Salmonella infections, we conducted 2 case-control studies of human salmonellosis occurring during 1996-1997. The studies took place at 5 Foodborne Diseases Active Surveillance Network (FoodNet) surveillance areas: all of Minnesota and Oregon and selected counties in California, Connecticut, and(More)
To test the hypothesis that patients' histories of having been physically or sexually assaulted are often not elicited in routine clinical assessments, the authors reviewed the charts of 100 inpatients for any mention of such experiences. The data were compared with results of earlier research interviews in which the same 100 patients were questioned(More)
Bartonella quintana is a fastidious, gram-negative, rod-shaped bacterium that causes prolonged bacteremia in immunocompetent humans and severe infections in immunocompromised individuals. We sought to define the outer membrane subproteome of B. quintana in order to obtain insight into the biology and pathogenesis of this emerging pathogen and to identify(More)
Bartonella spp. are facultative intracellular bacteria that cause characteristic hostrestricted hemotropic infections in mammals and are typically transmitted by blood-sucking arthropods. In the mammalian reservoir, these bacteria initially infect a yet unrecognized primary niche, which seeds organisms into the blood stream leading to the establishment of a(More)
The role of membrane phospholipids in enkephalin receptor-mediated inhibition of adenylate cyclase (EC activity in neuroblastoma X glioma NG108-15 hybrids was studied by selective hydrolysis of lipids with phospholipases. When NG108-15 cells were treated with phospholipase C from Clostridium welchii at 37 degrees C, an enzyme(More)
The authors report the first DNA-based diagnosis of Bartonella henselae cultured from a brain lesion in a patient with acquired immune deficiency syndrome. This human immunodeficiency virus-infected patient presented with altered mental status, fever, and diabetes insipidus. Magnetic resonance imaging revealed multifocal parenchymal and leptomeningeal(More)
BACKGROUND Bartonella henselae is the zoonotic agent of cat scratch disease and causes potentially fatal infections in immunocompromised patients. Understanding the complex interactions between the host's immune system and bacterial pathogens is central to the field of infectious diseases and to the development of effective diagnostics and vaccines. (More)
A cluster of gastrointestinal illnesses, including one case of hemolytic-uremic syndrome and one culture-confirmed Escherichia coli O157:H7 infection, followed a trailer park pool party. We interviewed a cohort of party attendees and park residents. A primary case was defined as the first gastrointestinal illness within a household between 5 July and 20(More)