منابع مشابه
Avian reovirus infections.
Avian reoviruses are ubiquitous among poultry flocks. Although infection is usually present without disease, reoviruses may occasionally be involved in several disease syndromes of which viral arthritis/tenosynovitis in chickens is the most important, particularly in broiler breeds. While reoviruses have been isolated from turkeys and several other species of birds with various conditions, the ...
متن کاملMolecular evolution and emergence of avian gammacoronaviruses.
Coronaviruses, which are single stranded, positive sense RNA viruses, are responsible for a wide variety of existing and emerging diseases in humans and other animals. The gammacoronaviruses primarily infect avian hosts. Within this genus of coronaviruses, the avian coronavirus infectious bronchitis virus (IBV) causes a highly infectious upper-respiratory tract disease in commercial poultry. IB...
متن کاملPatterns of molecular evolution of an avian neo-sex chromosome.
Newer parts of sex chromosomes, neo-sex chromosomes, offer unique possibilities for studying gene degeneration and sequence evolution in response to loss of recombination and population size decrease. We have recently described a neo-sex chromosome system in Sylvioidea passerines that has resulted from a fusion between the first half (10 Mb) of chromosome 4a and the ancestral sex chromosomes. I...
متن کاملCrystal structure of the avian reovirus inner capsid protein sigmaA.
Avian reovirus, an important avian pathogen, expresses eight structural and four nonstructural proteins. The structural sigmaA protein is a major component of the inner capsid, clamping together lambdaA building blocks. sigmaA has also been implicated in the resistance of avian reovirus to the antiviral action of interferon by strongly binding double-stranded RNA in the host cell cytoplasm and ...
متن کاملIn vitro characterization of an avian reovirus vaccine strain.
In vitro studies were performed to characterize the vaccine strain, designated P100, derived from the arthrogenic reovirus isolate, S1133, by cold adaptation. P100 appeared to be temperature sensitive, shown by a marked drop in titer and efficiency of plaquing after incubation at 41 degrees. Studies indicated that genomic double-stranded RNA and protein synthesis were severely restricted at the...
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ژورنال
عنوان ژورنال: Virology
سال: 2003
ISSN: 0042-6822
DOI: 10.1016/s0042-6822(03)00415-x