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Yersinia enterocolitica comprises both pathogenic and nonpathogenic members. Distinguished by biogrouping, serogrouping, and ecological distribution, commonly occurring pathogenic serobiogroups, e.g., O:3/4; O:5,27/2; O:8/1b; O:9/2, possess both chromosomal and plasmid-mediated virulence traits. Studies have revealed several (oral, blood transfusion) modes(More)
Yersinia enterocolitica, a gram-negative coccobacillus, comprises a heterogeneous group of bacterial strains recovered from animal and environmental reservoirs. The majority of human pathogenic strains are found among distinct serogroups (e.g. O:3, O:5,27, O:8, O:9) and contain both chromosome- and plasmid (60 to 75 kb)-mediated virulence factors that are(More)
Certain strains of mesophilic aeromonads (Aeromonas hydrophila, A. sorbria, and A. caviae), when grown in broth containing 0.5% glucose, undergo growth inhibition concomitant with acetate accumulation. Because these strains are nonviable after 24 h, this phenomenon is termed suicide. We investigated suicidal strains of Aeromonas species as a means of(More)
Difficulties were encountered in the recognition of a nutritionally deficient streptococcus which continued to display aberrant morphologic forms (especially bulbous swellings and filament formation) despite provision of growth factors. With isolates displaying diverse morphologic entities not characteristic of a given species, e.g., Streptobacillus(More)
Bacillus cereus is a Gram-positive aerobic or facultatively anaerobic, motile, spore-forming, rod-shaped bacterium that is widely distributed environmentally. While B. cereus is associated mainly with food poisoning, it is being increasingly reported to be a cause of serious and potentially fatal non-gastrointestinal-tract infections. The pathogenicity of(More)
A compound produced by Bacillus pumilus (MSH) that inhibits Mucoraceae and Aspergillus species is described. Fungicidal activity was demonstrated by lawn-spotting and by diffusion through 0.45 microm Millipore membranes placed on 5 % sheep-blood agar, nutrient agar, trypticase soy agar and Mueller-Hinton agar, followed by spore inoculation of the(More)
Aeromonas caviae was recovered as the sole potential enteric pathogen from the stools of 14 of 17 symptomatic children (10 younger than 1 year of age) while Aeromonas hydrophila, Aeromonas sobria, and Plesiomonas shigelloides were isolated once each. The infants from whom A. caviae was isolated all presented with a watery diarrhea lasting 1 to 3 weeks. None(More)
A 57-year-old male with a history of hypercholesterolemia and anxiety but otherwise in good health volunteered to donate the right lobe of his liver to his brother. The operation was performed uneventfully, without transfusion. Postoperatively he did well, until he developed tachycardia, profound hypotension, and coffee ground emesis on postoperative day 3.(More)
During the 20 year interval from 1958 to 1978 a change in the spectrum of disease, etiology, and diagnosis of mucormycosis was observed at The Mount Sinai Hospital. Although the rhinocerebral and pulmonary forms of mucormycosis were still the most frequent forms of disease, hospital acquired cutaneous and subcutaneous infections emerged. Since 1974, 14 of(More)