نتایج جستجو برای: brucella species and biovars
تعداد نتایج: 16903694 فیلتر نتایج به سال:
The 16S rRNA gene sequences of 19 strains covering 97% of the molecules were determined for the members of the family Rhizobiaceae and related bacteria by PCR and DNA sequencer. The three biovars of Agrobacterium were located separately, whereas Agrobacterium rubi clustered with A. tumefaciens. Phylogenetic locations for the species of the genera Rhizobium, Sinorhizobium, Agrobacterium, Phyloba...
based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...
Background: Brucella sp. are the causative agents of brucellosis, an infectious disease that affects various species of animals and can be transmitted to humans through direct contact with infected animals, indirectly by the ingestion of rawmilk products, and during the handling of strains or infected material in the laboratory. Being a zoonosis, the detection of Brucella species in animals is ...
Brucella A and M epitopes were found on single O-polysaccharide chains of all biotype strains of this species. Lipopolysaccharides from the type and reference strains of five of the six Brucella species, B. abortus, B. melitensis, B. suis, B. canis, and B. neotomae, were extracted and purified. Analysis by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, in conjunction with silver sta...
Sheep brucellosis, a zoonosis mainly due to B. melitensis (biovar 1, 2 or 3), remains widespread world-wide. Pathologically and epidemiologically, the disease is very similar to B. abortus infection in cattle. The live B. melitensis Rev 1 strain is currently considered as the best vaccine available for the control of sheep brucellosis, especially when used at the standard dose by the conjunctiv...
A newly isolated smooth colony morphology phage-resistant strain 8416 isolated from a 45-year-old cattle farm cleaner with clinical features of brucellosis in China was reported. The most unusual phenotype was its resistance to two Brucella phages Tbilisi and Weybridge, but sensitive to Berkeley 2, a pattern similar to that of Brucella melitensis biovar 1. VITEK 2 biochemical identification sys...
Background: Human brucellosis is a significant public health problem in many middle east countries including Iran. Brucella organisms, which are small aerobic, facultative intracellular coccobacilli, localize in the reproductive organs of host animals, causing abortions and sterility. They are shed in large numbers in the animal’s urine, milk, placental fluid, and other fluids. Dairy product fr...
Brucellosis being a global zoonotic disease and animal health problem most of the studies has been oriented towards bovine than small ruminants. Hence the present study is conducted to identify the biotype of predominant Brucella spp. in small ruminants for defined control and eradication strategies. The study was carried out by random collection of the vaginal swab, milk, blood samples from th...
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