Defective interfering particles of parvovirus H-1
نویسندگان
چکیده
منابع مشابه
Defective interfering particles of respiratory syncytial virus.
A multiplicity-dependent interference was observed in respiratory syncytial virus preparations (Randall strain) grown in HEp-2 cells, and the factor mediating this interference was characterized. Cloned virus did not demonstrate this multiplicity-dependent interference, but its replication was shown to be inhibited by the interfering factor by assays of reduction of infectious yield assay, the ...
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To determine whether defective interfering (DI) particles modulate virulence by initiating a cyclic pattern of virus growth in vivo, adult mice were infected with vesicular stomatitis virus (VSV), both with and without DI particles. A total of 184 mice divided into groups were inoculated intranasally. A majority of mice inoculated only with standard VSV developed paralysis, most of them between...
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Infection of HeLa cells by mixtures of standard poliovirus and defective, interfering (DI) poliovirus particles leads to a higher ratio of DI particles in the progeny than in the inoculum. The extent of this enrichment could be varied by various manipulations of the co-infected cells. At any time during the infection cycle, virions made within short times after addition of radioactive uridine w...
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Polioviruses (PVs) carrying a reporter gene are useful tools for studies of virus replication, particularly if the viral chimeras contain the polyprotein that provides all of the proteins necessary for a complete replication cycle. Replication in HeLa cells of a previously constructed poliovirus expressing the gene for Renilla luciferase (RLuc) fused to the N terminus of the polyprotein H(2)N-R...
متن کاملInhibition of infection spread by co-transmitted defective interfering particles
Although virus release from host cells and tissues propels the spread of many infectious diseases, most virus particles are not infectious; many are defective, lacking essential genetic information needed for replication. When defective and viable particles enter the same cell, the defective particles can multiply while interfering with viable particle production. Defective interfering particle...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 1978
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.27.2.347-356.1978