نتایج جستجو برای: pathogenicity
تعداد نتایج: 17940 فیلتر نتایج به سال:
This article refers to:RETRACTED ARTICLE: Role of aflatoxin toxicity on transmissibility and pathogenicity H9N2 avian influenza virus in turkeys
The current knowledge of the pathogenicity, clinical signs and mortality of artificial infections by syringe inoculation of Cowdria ruminantium in laboratory and wild strains of mice is reviewed. It is concluded that a wide spectrum of pathogenicity for mice exists in stocks of the organism.
Klebsiella oxytoca was isolated from the blood of a leukemic patient. The typical pathogenicity of Klebsiella oxytoca was observed in the patient. The pathogenicity of several Klebsiella oxytoca strains isolated from blood, urine and sputum of different patients was examined in mice, and it was found that Klebsiella oxytoca isolated from the blood had a higher toxicity than the others.
Blastocystis is anaerobic, unicellular protozoan resides in intestinal tract of human as well as other hosts. It was considered as fungus before, now it has been classified to a protozoa. The pathogenicity of the organism is still doubtful and is the subject of debate. Hence, in this review, we will discuss classification, morphology, lifecycle, pathogenicity, Clinical features, Diagnosis and t...
The pathogenicity of 40 strains of Mycobacterium avium, M. paratuberculosis, M. intracellulare and M. lepraemurium was investigated in chickens, rabbits, guinea-pigs, mice and calves. Mycobactin dependence and serological type were also determined. There was no evidence that mycobactin dependence was related to pathogenicity. Antigenic similarities were demonstrated between M. avium and M. para...
In this study we tested 74 Salmonella strains of all eight Salmonella groups and were able to demonstrate the presence of two high-pathogenicity island types in strains of Salmonella groups IIIa, IIIb, and VI. Most high-pathogenicity island-positive isolates produced yersiniabactin under iron-limited conditions and were positive for the high-molecular-weight proteins HMWP1 and HMWP2.
The phenotypic correlates of pathogenicity for Infectious salmon anemia virus (ISAV) in salmonid fishes have not been thoroughly studied to date. In this study, a comparison was made of 13 different strains of ISAV, isolated from different geographical regions between 1997 and 2004, for their infectivity in three fish species [Atlantic salmon (Salmo salar), coho salmon (Oncorhynchus kisutch) an...
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