Response of cell and organism to infection with avian tumor viruses.
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An experimental study on broiler chicken co-infected with the specimens containing avian influenza (H9 subtype) and infectious bronchitis (4/91 strain) viruses
This experimental study was carried out to induce a co-infection of H9 AIV and IBV with inoculumsprepared from tracheal scrubbed epithelium tissues in natural co-infected birds to rule out the effect of fieldundesired environmental conditions and also other infectious causative agents. Eighty 1-day-old broilerswere randomly divided into four equal groups. At 21 days of age, three test groups we...
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In the February 2006 in two wetlands in northern Iran, the mortality among wild swans was observed. Paralysis was the most prominent feature of the disease. Histologically, diffused necrosis of acinar cells in pancreas, degeneration and necrosis of some neurons in central nervous system (CNS), sever necrotic and hemorrhagic enteritis, foci of haemorrahge and myocardial cell necrosis in the he...
متن کاملDetection of avian influenza virus of H9 subtype in the feces of experimentally infected chickens by RT–PCR
Avian Influenza (AI) is a viral respiratory disease of domestic and wild birds. In the diagnostic laboratory, it is essential to have methods for rapid detection of avian respiratory viruses. Cloacal swabs collected from chickens experimentally infected with H9 subtype AI virus, used in a reverse transcription-polymerase chain reaction (RT-PCR) assay for detection of AI. In infected animals, ...
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Influenza A viruses possesses two virion surface glycoproteins including haemagglutinin (HA) and neuraminidase (NA). The NA plays an important role in viral replication and promotes virus release from infected cells and facilitates virus spread throughout the body. To find out any genomic changes that might be occurred on NA gene of avian influenza circulating viruses, we have genetically analy...
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The spread of influenza viruses in multiple bird and mammalian species is a worldwide serious threat to human and animal populations' health and raise major concern for ongoing pandemic in humans. Direct transmission of the avian viruses which have sialic acid specific receptors similar to human influenza viruses are a warning to the emergence of a new mutant strain that is likely to share mole...
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ورودعنوان ژورنال:
- Bacteriological reviews
دوره 26 شماره
صفحات -
تاریخ انتشار 1962